OMRON A22NZ-S-P1AN Datasheet

New Product

A22E Common NoteA22NE-P

Common Accessories and Tools

For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.

Be sure to read the "Safety Precautions" on pages 15,
28, and 37.

Emergency Stop Pushbutton Switches (22-dia. or 25-dia.)

A22E/A22NE-P

Install in 22-dia. or 25-dia.
Panel Cutout (When Using a Ring)

• Direct opening mechanism to open the circuit when the
contact welds.

• Safety lock mechanism prevents operating errors.

• Lever for easily mounting and removing the Switch Blocks.

• Finger protection mechanism on Switch Unit provided as a
standard feature.

• Use 25-dia. ring to install in 25-dia. panel cutouts.

Types of Emergency Stop Pushbutton Switches

A22E Screw Terminal Block Types ...................................from page 2

A22NE-P Push-in Plus Terminal Block Types........................ from page 16

Common Items

Common Accessories / Tools................................................... from page 32

Safety Precautions.....................................................................from page 37

1

A22E A22NE-P

Common Note

Common Accessories and Tools

Emergency Stop Pushbutton Switches (22-dia. or 25-dia.) Screw Terminal Block types

For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.

1. Lighted/Non-lighted 4. Contacts

5. Configuration

3. LED Lamp voltage

Lighting unit (Direct lighting)

Lighting unit (Voltage-reduction lighting)

2. Operation Unit size (diameter)/Reset function

Code Description

None Non-lighted

L Lighted *

Code

None

B

Configuration

Switch only

Note 1. NO: 1a-contact NC: 1b-contact

2. For details on the unit position, refer to the figure below.

Switch with Integrated Control Box

Code Size Description

MP 40

dia. Pull-reset

S 30

dia.

Turn-reset

M40 dia.

L60 dia.

Code Description Operating Voltage

Lighted

(LED) *

None Non-lighted

---

6 A

12 A

12 VAC/DC

6 VAC/DC

24 A 24 VAC/DC

* Equipped with 24-VAC/DC LED.

Code Operating Voltage

T2 200 VAC

T1 100 VAC

* Lighted Emergency

Stop Switches are
available only for the
medium (M). turn-reset
models.

6. Configuration

Code

Configuration

Neither “EMO” nor “EMS” printed, arrows engraved in red.

“EMO” printed in white, arrows engraved in red.

“EMO” and arrows printed in white.

None

EMO-RD

EMO

“EMS” and arrows printed in white.

EMS

EMS-RD

“EMS” printed in white, arrows engraved in red.

Lighted

(LED) *

Description

(Example: A22EL-M-24A-01)

Number of

Switch Blocks

Unit position

Non-lightedCode Lighted

NO NC 1 2 3 1 2 3

0 1 --- ---

NC --- Lighting unit NC

11

NC NO Lighting unit NC

02

NC --- NC NC Lighting unit NC

01

11

02

12

NCNO NC

03

NC NC NC

12

03

---

NO ---

A22E

Install in 22-dia. or 25-dia. Panel Cutout

(When Using a Ring)

• Increase wiring efficiency with three-row mounting of Switch
(with non-lighted Switch Blocks, three Units can be

Units.
mounted for multiple contacts).

• Mounted using either open-type (fork-type) or closed-type

(round-type) crimp terminals.

• Oil-resistant to IP65 (non-lighted models) / IP65 (lighted models).

• A lock plate is provided as a standard feature to ensure that the

control box and switch are not easily separated.

Be sure to read the "Safety Precautions" on pages 15 and 37.

Model Number Structure

Model Number Legend (Completely Assembled)........Shipped as a set which includes the Operation Unit, LED

Lamp (lighted model only), Mounting Latches, Switch
Block, and Lock Plate

2

A22E A22NE-P

Common Note

Common Accessories and Tools

Ordering Information

40-dia. head
Medium Pull-reset
A22E-MP

30-dia. head
Small Turn-reset
A22E-S

40-dia. head
Medium Turn-reset
A22E-M

60-dia.
Large Turn-reset
A22E-L

40-dia. head
Medium Turn-reset
With EMO Indication

40-dia. head
Medium Turn-reset
With EMS Indication

List of Models (Completely Assembled)

Non-lighted Models (Without EMO/EMS Indication)

* Models with Korean S-mark certification

Note: Yellow cap models are also available (not for emergency stop use). Contact your OMRON representative.

Appearance

Operation

Contact configuration

(Number of switch blocks)

1NC (1) A22E-MP-01

1NC, 1NO (2) A22E-MP-11

2NC (2) A22E-MP-02
1NC (1) A22E-S-01 *

1NC, 1NO (2) A22E-S-11 *

2NC (2) A22E-S-02 *

2NC, 1NO (3) A22E-S-12 *

3NC (3) A22E-S-03 *
1NC (1) A22E-M-01 *

1NC, 1NO (2) A22E-M-11 *

2NC (2) A22E-M-02 *

2NC, 1NO (3) A22E-M-12 *

3NC (3) A22E-M-03 *
1NC (1) A22E-L-01 *

1NC, 1NO (2) A22E-L-11 *

2NC (2) A22E-L-02 *

A22E

Set Model Color of cap

Red

Non-lighted Models (With EMO/EMS Indication)

Operation

Appearance

* Models with Korean S-mark certification

Note: The colors of switch blocks are as follows:

NO (a-contact): Black
NC (b-contact): Red
The above illustration shows the 2NC (2b-contact) configuration.

Contact configuration

(Number of switch blocks)

1NC (1)

1NC, 1NO (2)

2NC (2)

2NC, 1NO (3)

3NC (3)

1NC (1)

1NC, 1NO (2)

2NC (2)

2NC, 1NO (3)

3NC (3)

Set Model Color of cap

A22E-M-01-EMO *

A22E-M-01-EMO-RD
A22E-M-11-EMO *

A22E-M-11-EMO-RD
A22E-M-02-EMO *

A22E-M-02-EMO-RD
A22E-M-12-EMO *

A22E-M-12-EMO-RD
A22E-M-03-EMO *

A22E-M-03-EMO-RD
A22E-M-01-EMS *

A22E-M-01-EMS-RD
A22E-M-11-EMS *

A22E-M-11-EMS-RD
A22E-M-02-EMS *

A22E-M-02-EMS-RD
A22E-M-12-EMS *

A22E-M-12-EMS-RD
A22E-M-03-EMS *

A22E-M-03-EMS-RD

Red

3

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

Lighted Models

Appearance

40-dia. head
Push-lock
Turn-reset
Lighting unit
(Direct lighting)
A22E

40-dia. head
Push-lock
Turn-reset
Lighting unit
(Voltage­reduction lighting)
A22E

* Models with Korean S-mark certification

Operation Push-lock turn-reset system

Contacts

(Number of

switch blocks)

1NC (1)

1NC, 1NO (2)

2NC (2)

1NC (1)

1NC, 1NO (2)

2NC (2)

LED Lamp voltage

6 VAC/VDC A22EL-M-6A-01 *
12 VAC/VDC A22EL-M-12A-01 *
24 VAC/VDC A22EL-M-24A-01 *

6 VAC/VDC A22EL-M-6A-11 *
12 VAC/VDC A22EL-M-12A-11 *
24 VAC/VDC A22EL-M-24A-11 *

6 VAC/VDC A22EL-M-6A-02 *
12 VAC/VDC A22EL-M-12A-02 *
24 VAC/VDC A22EL-M-24A-02 *

100 VAC A22EL-M-T1-01
200 VAC A22EL-M-T2-01
100 VAC A22EL-M-T1-11
200 VAC A22EL-M-T2-11
100 VAC A22EL-M-T1-02
200 VAC A22EL-M-T2-02

Set Model

Color of cap

Red

Switch with Integrated Control Box

Appearance Contact configuration (Number of switch blocks) Model

1NC (1) A22E-M-01B *

1NC, 1NO (2) A22E-M-11B *

2NC (2) A22E-M-02B *

Note: The A22Z-B101Y Control Box is used.
* Models with Korean S-mark certification

4

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

Operation Unit

Mounting Latches

Non-lighted

Switch Blocks *

Lock Plate

Operation Unit

Lighted

LED Lamp

LED

Lock Plate

Switch Blocks + Lighting unit

Screw Terminal BlockScrew Terminal Block

Subassembled.... The Operation Unit, LED Lamp, Mounting Latches, and Switch Blocks can be ordered separately. Use them in

combination for models that are not available as assembled Units. These can also be used as inventory for
maintenance parts.

* Up to three Switch Blocks can be mounted for multiple contacts.

5

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

Operation Unit
Non-lighted

Sealing capability IP65 oil-resistant models

Function Size Small (30 dia.) Medium (40 dia.) Large (60 dia.)

A22E-MP

Pull-reset ---

A22E-S

Turn-reset

Lighted

Sealing capability IP65

Function Size Medium (40 dia.)

A22EL-M

A22E-M

A22E-M-EMO
A22E-M-EMO-RD

A22E-M-EMS
A22E-M-EMS-RD

---

A22E-L

Turn-reset

LED lamp

Appearance LED light Rated voltage Model

6 VAC/VDC A22-6AR

Red Standard

Note: For a model with a Lighting unit (Voltage-reduction lighting), use the A22-24AR.

12 VAC/VDC A22-12AR

24 VAC/VDC A22-24AR

6

A22E A22NE-P

Common Note

Common Accessories and Tools

Switch
Non-lighted / Direct lighting

A22E

Contact specifications/
Configuration (Number of switch blocks)

For Standard
loads

Voltage-reduction lighting (100 VAC, 200 VAC)

Contact specifications/
Configuration (Number of switch blocks)

For Standard
loads

Note: For a model with a Lighting unit (Voltage-reduction lighting), use the A22-24AR.

Classification

Appearance

1NC (1) A22-01M A22L-01M

1NC, 1NO (2) A22-11M A22L-11M

2NC (2) A22-02M A22L-02M

Classification

Appearance

1NC (1) A22L-01M-T1 A22L-01M-T2

1NC, 1NO (2) A22L-11M-T1 A22L-11M-T2

2NC (2) A22L-02M-T1 A22L-02M-T2

Non-lighted Direct lighting

Model Model

100 VAC, Lighted 200 VAC, Lighted

Model Model

7

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

Accessories (Order Separately)

Item Appearance Contact specifications Model Remarks

1NO (Black)

Switch Blocks
(one contact)

1NC (Red)

Switch Blocks
(two contacts)

Lighting unit

Mounting Latches --- A22-3200

2NO (Black)

2NC (Red)

1NC + 1NO
Contact (Black/
Red)

Direct lighting A22-TN

Voltage-reduction
lighting

Standard load

Microload

Standard load

Microload

Standard load

Microload

Standard load

Microload

Standard load

Microload

100 VAC A22-T1

200 VAC A22-T2

A22-10

A22-10S

A22-01

A22-01S

A22-20

A22-20S

A22-02

A22-02S

A22-11

A22-11S

Provided as standard.
Order Switch Blocks only when
adding or replacing them.

Order Switch Blocks only when
adding or replacing them.

Used when changing the lighting
method.

Provided as standard.
Order Mounting Latches only when
mounting Switch Blocks or Lighting
Units that are purchased
individually.

Lock Plate

Control Boxes
(Enclosures)

Note: For details on the accessories common to the screw terminal block types and push-in plus terminal block types, refer to "Common

Accessories and Tools (Order Separately)" on page 32.

One hole, yellow box

--- A22Z-3380 Use to fix the lever on the Switch.

A22Z-B101Y

A22Z-B201Y

Material: Polycarbonate resin.
The A22Z-B101Y does not support
2NO, 2NC, or 1NC + 1NO two­contacts Switch Blocks.

8

A22E A22NE-P

Common Note

Common Accessories and Tools

Specifications

A22E

Certified Standard Ratings

• UL, cUL (File No. E41515)
6 A at 220 VAC, 10 A at 110 VAC

• TÜV (EN60947-5-1) (Low Voltage Directive)
3 A at 220 VAC

• CCC (GB14048.5)
3 A at 240 VAC, 1.5 A at 24 VDC

Ratings

Contacts (Standard Load)

Rated carry

current (A)

10

Rated

voltage

24 VAC 10 10
110 VAC 5 10
220 VAC 3 6
380 VAC 2 3
440 VAC 1 2
24 VDC
110 VDC 0.5
220 VDC 0.2
380 VDC 0.1

(V)

AC15

(Inductive

load)

--- ---

Note: 1. Rated current values are determined according to the

testing conditions. The above ratings were obtained by
conducting tests under the following conditions.
(1) Ambient temperature: 20°±2°C

(2) Ambient humidity: 65±5%
(3) Operating frequency: 20 operations/minute

2. Minimum applicable load: 10 mA at 5 VDC

Characteristics

Item Non-lighted model Lighted model Non-lighted model

Allowable operating
frequency

Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 100 mΩ max. (initial value)

Dielectric strength

Vibration resistance 10 to 55 Hz, 1.5-mm double amplitude (contact separation within 1 ms)

Shock resistance

Durability

Ambient operating temperature *1 -20 to +70°C -20 to +55°C -20 to +70°C
Ambient operating humidity 35 to 85% RH
Ambient storage temperature -40 to +70°C
Degree of protection IP65 (oil-resistant) *2 *3 IP65 *2 IP65 (oil-resistant) *2 *3
Electric shock protection class Class II
PTI (tracking characteristic) 175
Degree of contamination 3 (EN60947-5-1)
Minimum direct opening stroke 11 mm
Minimum direct opening force 45 N
Conditional short-circuit current 100 A (EN 60947-5-1)
Weight (for a 40-dia. head 1NC/1NO Operation Unit) Approx. 65 g Approx. 80 g Approx. 100 g

*1. With no icing or condensation.
*2. The degree of protection from the front of the panel.
*3. The degree of protection is IP65 even with an integrated control box, but the system is not oil resistant.

Mechanical 30 operations/minute (One operation consists of set and reset operations.)
Electrical 30 operations/minute (One operation consists of set and reset operations.)

Between terminals of same polarity 2,500 VAC, 50/60 Hz for 1 min.
Between each terminal and ground 2,500 VAC, 50/60 Hz for 1 min.

Destruction 1000 m/s
Malfunction 250 m/s2 max. (contact separation within 1 ms)
Mechanical 300,000 operations min. (One operation consists of set and reset operations.)
Electrical 300,000 operations min. (One operation consists of set and reset operations.)

Rated current (A)

AC12

(Resistive

load)

Certified Standards

Certification

body

UL *1

TÜV SÜD

CQC (CCC) GB14048.5 2003010303070635

KOSHA *2 EN60947-5-1

Note:

Only models with NC contacts have a direct opening mechanism.

*1. UL-certification for CSA C22.2 No. 14 has been obtained.

Certification has been obtained for individual Switch Blocks and
Lighting Units.

*2. Some models have been certified.

LED Lamp

Rated voltage Operating voltage Current value

DC13

(Inductive

load)

--- ---

1.5 10

DC12

(Resistive

load)

2

0.6

0.2

Type Turn-reset Pull-reset

2

6 VAC/VDC 6 VAC/VDC ± 5%

24 VAC/VDC 24 VAC/VDC ± 5%

Voltage-reduction lighting

Rated voltage Operating voltage Rated current

110 VAC

220 VAC

Standards File No.

UL508, C22.2 No.14

EN60947-5-1

(Certified direct opening),

EN60947-5-5

100 VAC

(95 to 115 V)

200 VAC

(190 to 230 V)

Consult your OMRON
representative for details.

Consult your OMRON
representative for details.

Approx. 8 mA

E41515

Approx. 8 mA12 VAC/VDC 12 VAC/VDC ± 5%

Applicable lamp
(BA9S/Base: 13)

LED lamp

A22-24A@

9

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

1

2

1

2

NC NC

1

2

X2

X1

X

(-)

(+)

3

4

1

2

1

2

X2

X1

X

(-)

(+)

X1

X2

1

2

X

3

4

X1

X2

X

1

2

1

2

AB

Type

Terminal Connection (BOTTOM VIEW)

2NC (two contacts) 2NO (two contacts)

1NC, 1NO (two contacts)

A

B

21

22

24

23

24

23

1211141312

11

Operating Characteristics

Item Turn-reset Pull-reset
Total travel force (TTF) 44.1 N max. 58.8 N max.
Return force (RF) 0.25 N·m * max. 58.8 N max.
Total travel (TT) 10 ±1 mm 5.5 ±1 mm

* Rotation torque value.

Terminal Arrangement (BOTTOM VIEW)

Non-lighted (two contacts) Non-lighted (three contacts) Lighted (two contacts)

20.7

10

OPEN

LOC

10

Switch Blocks

16.7

M3.5 screws

Switch Blocks

Switch Blocks

Terminal connection

Type

Non-lighted

Lighted with
Direct lighting

1NC, 1NO (two contacts) 2NC (two contacts) 2NC, 1NO (three contacts) 3NC (three contacts)

NC NO

1

2

3

4

Lighted with
Voltage-reduction
lighting

16.7

Lighting unit

Terminal Connection (BOTTOM VIEW)

NC NONC

22

121

NC NCNC

3

4

2

12121

2

Note: The above terminal connection diagrams are examples of the number of contacts.

Terminal wiring drawings of two-contact Switch Units

10

A22E A22NE-P

Common Note

Common Accessories and Tools

Structure and Nomenclature

}

Color: Red

Non-lighted
LED lighting

Light source

• LED Lamp

Mounting Latches
Switch Blocks
Lighting unit

Contact Ratings

10 A at 100 VAC (resistive load)
10 A at 24 VDC (resistive load)

Lighting Method

Non-lighted
Lighted (Direct lighting)
Lighted (Voltage-reduction lighting)

Lock Plate (Attached with the Operation Unit)

(Refer to the "Mounting the Lock Plate" on page 15 for use.)

Operation Unit

Lamp

Switch

1.8

5.9

0.5

32

54.7

40 dia.

34

Medium Push-pull (40-dia.)

1.8

5.9

0.5

32

54.7

34

30 dia.

Small Turn-reset (30-dia.)

2

1.5

2

5.9

1.8

0.5

32

54.7

41.2

18.5

6.5

40 dia.

34

Note: The dimensions are the same as for EMO/EMS

indication models.

Medium Turn-reset (40-dia.)

1.8

5.9

0.5

32

54.7

60 dia.

34

Large Turn-reset (60-dia.)

A22E

Dimensions (Unit: mm)

Non-lighted Models

A22E-MP A22E-S

A22E-M A22E-L

Note: Unless otherwise specified, a tolerance of ±0.8mm applies to all dimensions.

11

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

2

1.5

2

5.9

1.8

0.5

32

54.7

41.2

18.5

6.5

40 dia.

34

Medium Turn-reset (40-dia.)

Note: The operation unit is an example for the A22E-M.

10.6 dia.

9.5 dia.

20±1.5

BA9S/13

Model indication

4-4×38 tapping screw

22.1±

0.3

0.1

dia.

10

(10×36) 0.6 depression

75

20.5±0.1

2.8±0.1

68

36

Two, 21 dia.

(Side lead
draw-out hole)

20

41

69.5

A22Z-B101Y (1-hole)

Cable Draw-out Hole
(Top View)

Mounting Hole

Four, M4 Screws

22.1±

0.3

0.1

dia.

10

(10×36) 0.6 depression

68

2.8±0.1

68

36

20.5±0.1

Two, 21 dia.
(Side lead
draw-out hole)

30.5

60

16

A22Z-B201Y (1-hole)

Cable Draw-out Hole
(Top View)

Mounting Hole

Lighted Model

A22EL-M

Note: Unless otherwise specified, a tolerance of ±0.8mm applies to all dimensions.

Accessories (Order Separately)

LED Lamp
A22-6@, 12@, 24@

Switch dimensions when mounted to a 2NO (2NC) one-piece
switch block

4424

57.8

72.7

Control Box

Control Box

Note: For details on the accessories common to the screw terminal block types and push-in plus terminal block types, refer to "Common

Accessories and Tools (Order Separately)" on page 32.

41

16±1 dia.

(Bottom lead
draw-out hole)

Two, 19±1 dia.

(Bottom lead draw-out hole)

32

39

40

Two, mounting holes

56

Two, mounting holes

54

2-R3

4.3

6.3

2-R3

4.3

6.3

12

A22E A22NE-P

Common Note

Common Accessories and Tools

Installation

Hold here

Mounting Ring

Lock Ring

Rubber Washer

Panel

Panel

Lock Ring

Projecting
part

1. When the panel cutout dimension is

25 dia., remove the supplied rubber
washer and mount the 25-dia. Ring as
shown below. (Since the A22Z-R25 is
not attached to the main body, order
separately.) When using a Legend
Plate (Order Separately), do not
remove the rubber washer.

2. When the panel cutout

dimension is 30 dia., use resin
attachment A22Z-A30. Since it
is not attached to the main
body, order separately.

Operation Unit

Rubber washer
(mounted to
Operation Unit)

30-dia.
Resin Attachment
(A22Z-A30)

Rubber washer
(included)

Mounting
panel

Lock Ring

Mounting
Ring

Lever

Arrow mark

Operation
Unit

• Move the lever in the direction indicated by the arrow in the following figure,
then pull the Operation Unit or the Switch Blocks.
Since the lever has a hole with an inside diameter of 6.5 mm, the lever can
be moved in the specified direction by inserting a screwdriver into the hole
and then moving the screwdriver.

Screwdriver

Mounting to the Panel

• The panel dimensions are shown below.

• The panel thickness must be 1 to 5 mm.

• Always use a 25-mm-dia. A22Z-R25 Lock Ring for a 25-mm-dia. hole.
IP65 degree of protection will be lost if the 25-mm-dia. Lock Ring is not used
because of the larger size of a 25-mm-dia. hole.

• When painting or coating the panel, make sure that the specified panel
dimensions apply to the panel after painting or coating.

• Insert the Operation Unit into the Switch Unit, aligning the arrow mark inscribed
on the Case with the lever on the Switch Blocks, then move the lever in the
direction indicated by the arrow in the following figure.

(1) Preparing the Panel (2) Mounting the Operation Unit on the Panel

R0.8 max.

+0.2

3.2

0

+0.4

24.1

0

+0.4

22.3 dia.

0

+0.4

22.3 dia.

0

25 dia.

With Lock Ring Without Lock Ring

(3) Mounting the Switch on the Operation Unit

A22E

• Insert the Operation Unit from the front surface of the panel, insert the Lock
Ring and the mounting Ring from the terminal side, then tighten the Ring.
Before tightening, check that the rubber washer is present between the
Operation Unit and the panel.

• Align the Lock Ring with the groove in the casing, then insert the Lock Ring so
that its edge is located on the panel side.

• Tighten the mounting nut at a torque of 0.98 to 1.96 N·m.

• When using a Lock Ring, replace with the supplied Lock Ring, insert the
projecting part into the lock slot, and then tighten the mounting Ring.

+0.5
0

(4) Removing the Switch

Assembling the Cap

• Insert the protrusion of the Tightening Wrench (A22Z-3905) into the Cap slot and then turn to remove the Cap.

Emergency Stop Switch

22 dia.

22.3 dia.

25 dia.

25 dia.

22.3 dia.

Operation Unit

Rubber washer
(mounted to
Operation Unit)
When not using a
Legend Plate,
remove the rubber
washer.

(If required)
Legend Plates for
Emergency Stop
(order separately)

25-dia. Ring
(A22Z-R25)

0.5 1.3

Panel

Lock Ring

Mounting Ring

Cap slot

Protrusion

13

A22E

A22E A22NE-P

Common Note

Common Accessories and Tools

Snap-in Legend Plate

Mounting
RIng

Rubber washer

Connector

Outside Inside

Box

Cable

Tightening cap

Cable diameter (mm)

Connector

7 to 9 dia. A22Z-3500-1
9 to 11 dia. A22Z-3500-2

Use either of the following screwdrivers.

Flat-head screwdriver

3 to 6 mm

3 to 6 mm dia.

Phillips screwdriver

Installing/Replacing the LED Lamp

Installing/Replacing on the Switch

• Grip the lamp with your fingers, then rotate the lamp while pressing it against the Switch.

Control Box (Enclosure)

(1) Mounting the Switch (2) Creating a Cable Port Hole (3) Securing the Connector Cable

The Standard-size Legend Plate Frame can
be mounted.
Mount the Frame as shown in the following
diagram. Mount the Switch in the same way
as for an ordinary panel.

Place the tip of a screwdriver on the surface
where the cable port hole is to be created
with the cover attached and strike the
screwdriver to punch a hole.
Attempts to punch a hole on the other side
of the case will damage the Box.

1. Insert the connector into the cable port hole in the Box and secure
with the Mounting Ring inside the box.

2. Pass the tightening cap through the cable, insert the cable into the
connector, and tighten the tightening cap to secure the cable.

Installing/Removing the Switch Blocks Wiring

(1) Installing the Switch Blocks (2) Removing the Switch Blocks Wiring Round Crimp Terminals

• Hook the small protrusion on the Mounting Latch
into the groove on the other side of the lever, then
push up the Switch Block in the direction indicated
by the arrow in the figure below.

Lever

Mounting Latches

Switch Blocks

Protrusion

•

Insert a screwdriver between the Mounting Latch
and the Switch Block, then push down the screw­driver in the direction indicated by the arrow in the
following figure.

Screwdriver

• Loosen the terminal screw from the Switch
Unit until it completely comes off the groove,
insert a screwdriver as shown in the following
figure, then push up the washer in the direc­tion indicated by the arrow to temporarily
secure it.
Now, a round crimp terminal can be con­nected. After inserting the terminal, tighten the
screws to complete wiring.

Washer

Screw

Screwdriver

14

A22E A22NE-P

Common Note

Common Accessories and Tools

Safety Precautions

CAUTION

Lever

Operation
Unit

Mounting Latch

Lock Plate

1

2

Naked Crimp Terminals

8 mm max.

16.0 mm max.

8 mm dia. max.

16.0 mm max.

Crimp Terminals with
Insulating Sheaths

20.2 mm max.

8 mm max.

20.2 mm max.

8 mm dia. max.

X1

X2

LED
lamp

R:10kΩ (1W)
Bleeder resistor

(Circuit example)

In case of using 24 VAC/VDC, Direct lighting

Invalid
area

0.1 1 10 100 1,000

10 mA

1 mA

5

12

24

30

0.16 mA

1.6 mA

100 mA

0

Voltage (V)

Microload area

Area of
use

Standard
load area

Current (mA)

Be sure to read the precautions for All PushButton Switches in the website at:http://www.ia.omron.com/.

Indication and Meaning for Safe Use

Precautions

for Safe Use

If the Operation Unit is separated from the Socket Unit, the
equipment will not stop, creating a hazardous condition.
Secure the lever on the Socket Unit by using the
A22Z-3380 Lock Plate so that the Operation Unit cannot be
easily separated from the Socket Unit.
(Refer to “Mounting the Lock Plate” at the below.)

Mounting the Lock Plate

1. Confirm that the lever on the Mounting Latch is on the side where

the Operation Unit is secured and then insert the protrusion on the
Lock Plate into the hole in the lever on the Mounting Latch.

2. Press the hole on the Lock Plate onto the protrusion on the
Mounting Latch until it clicks into place.

Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury or in property damage.

Supplementary comments on what to do
or avoid doing, to use the product safely.

Caution

Precautions for Correct Use

A22E

LED Lamps

• The LED current-limiting resistor is built-in, so internal resistance
is not required.

• If commercially available LEDs are used, select the ones that meet
the following conditions:
Base: BA9S/13
Overall length: 26 mm max.
Power consumption: 2.6 W max.
When DC-specific LEDs are used, wire the Switch so that the X1
terminal is positive.

• Mis-lighting of the LED
The LED lights with approx. 0.1 mA or less of micro-current. Take
a countermeasure like adding a resistor to prevent mis-lighting in
parallel to the LED.
The micro-current varies with the machine (leak current or stray
capacity between cables, etc.). Select resistance value and
allowable power consumption that meet the actual current.

• Do not use a lamp that does not satisfy the rating.

Wiring

• Terminal screws must be Phillips or slotted M3.5 screws with a
square washer.

• The tightening torque is 1.08 to 1.27 N·m.

• Single wires, stranded wires, and crimp terminals can be
connected to the Switch.

• Applicable Wiring Materials:
Twisted strands: 2 mm

2

max.

Solid wire: 1.6 mm dia. max.

Using the Microload

Contact failure may occur if a Switch designed for a standard load is
used to switch a microload. Use Switches within the application
ranges shown in the following graph. Even within the application
range, insert a contact protection circuit, if necessary, to prevent the
reduction of life expectancy due to extreme wear on the
contacts caused by loads where inrush current occurs when the
contact is opened and closed.
The minimum applicable load is the N-level reference value. This
value indicates the malfunction reference level for the reliability
level of 60% (λ
The equation, λ
malfunction rate is less than 1/2,000,000 with a reliability level of 60%.

Be sure to read the "Safety Precautions" on page 37.

60) (conforming to JIS C5003).
60 = 0.5 x 10

−6

/time indicates that the estimated

• After wiring the Switch, maintain an appropriate clearance and
creepage distance.

15

A22E A22NE-P

Common Accessories and Tools

Common Note

Emergency Stop Pushbutton Switches (22-dia. or 25-dia.) with Push-In Plus technology

For the most recent information on models that have been
certified for safety standards, refer to your OMRON website.

2. Reset function

4. Contacts

5. LED lamp voltage

1. Operation Unit size (diameter)

Code Description

None Turn-reset

PPull-reset *

Code

Description

LED Lamp Voltage

Lighted

(LED) *

N Non-lighted

---

A

B

* Lighting color is red.

* The pull-reset type is only available on the 40 dia.

Operation Unit, non-lighted type.
Not available on lighted types.

A22NE- ---

65421

6. Others

Code Configuration

None

Standard

B

* Built-in control box

* One-contact unit type.

3. Contact specification/Terminal specification

Code Description

P Standard load/Push-in plus terminal block

Code

Description

S30

dia.

M40 dia.

L 60 dia.

C

D

E

6 VAC/DC

12 VAC/DC

24 VAC/DC

200/220/230/240 VAC

100/110/120 VAC

3

Note 1. NO: 1a-contact NC: 1b-contact

2. For details on the unit position, refer to the figure below.

Code

Number of

Switch Blocks

Unit position

Non-lighted Lighted

NO NC 1 2 3 1 2 3

002 0 1 --- ---

NC --- Lighting unit NC

102 1 1

NC NO Lighting unit NC

202 0 2

NC --- NC NC Lighting unit NC

212 1 2

NC NO NC

222 0 3

NC NC NC

---

NO ---

(Example: A22NE-M-P102-N)

A22NE-P

Install in 22-dia. or 25-dia. Panel Cutout

(When Using a Ring)

• The small size of the control panel is realized by conserving space
and changing the direction of the wiring.

• Since there is no looseness in the wiring, there is a reduction in
the maintenance efforts.

• A lock lever mechanism that can be easily operated is adopted.

• A maximum of up to six contact points can be combined together
in the contact-point configuration.

• Oil-resistant to IP65 (non-lighted models) / IP65 (lighted models).

Be sure to read the "Safety Precautions" on pages 28 and 37.

Model Number Structure

Model Number Legend (Completely Assembled)........Shipped as a set which includes the Operation Unit, LED

Lamp (lighted model only), Mounting Latches, Lighting
Units (lighted model only), and Switch Block.

16

A22E A22NE-P

Common Note

Common Accessories and Tools

Ordering Information

40-dia. head
Medium Pull-reset
A22NE-MP-P@@2-N

30-dia. head
Small Turn-reset
A22NE-S-P@@2-N

40-dia. head
Medium Turn-reset
A22NE-M-P@@2-N

60-dia.
Large Turn-reset
A22NE-L-P@@2-N

40-dia. head
Medium Turn-reset
A22NE-M-P@@2-A

40-dia. head
Medium Turn-reset
A22NE-M-P@@2-B

40-dia. head
Medium Turn-reset
A22NE-M-P@@2-C

40-dia. head
Medium Turn-reset
A22NE-M-P@@2-D

40-dia. head
Medium Turn-reset
A22NE-M-P@@2-E

Non-lighted Models

Appearance

Operation

Contact configuration

(Number of switch blocks)

1NC (1) A22NE-MP-P002-N

1NC, 1NO (2) A22NE-MP-P102-N

2NC (2) A22NE-MP-P202-N

2NC, 1NO (3)

3NC (3) A22NE-MP-P222-N
1NC (1) A22NE-S-P002-N

1NC, 1NO (2) A22NE-S-P102-N

2NC (2) A22NE-S-P202-N

2NC, 1NO (3)

3NC (3) A22NE-S-P222-N
1NC (1) A22NE-M-P002-N

1NC, 1NO (2) A22NE-M-P102-N

2NC (2) A22NE-M-P202-N

2NC, 1NO (3)

3NC (3) A22NE-M-P222-N
1NC (1) A22NE-L-P002-N

1NC, 1NO (2) A22NE-L-P102-N

2NC (2) A22NE-L-P202-N

2NC, 1NO (3)

3NC (3) A22NE-L-P222-N

A22NE-MP-P212-N

A22NE-S-P212-N

A22NE-M-P212-N

A22NE-L-P212-N

A22NE-P

Set Model Color of cap

Red

Lighted Model

Appearance

Operation

Contacts

(Number of switch blocks)

1NC (1)

1NC, 1NO (2) A22NE-M-P102-A

2NC (2) A22NE-M-P202-A

1NC (1)

1NC, 1NO (2) A22NE-M-P102-B

2NC (2) A22NE-M-P202-B

1NC (1)

1NC, 1NO (2) A22NE-M-P102-C

2NC (2) A22NE-M-P202-C

1NC (1)

1NC, 1NO (2) A22NE-M-P102-D

2NC (2) A22NE-M-P202-D

1NC (1)

1NC, 1NO (2) A22NE-M-P102-E

2NC (2) A22NE-M-P202-E

LED lamp voltage

6 VAC/VDC

12 VAC/VDC

24 VAC/VDC

100, 110, 120 VAC

220, 230, 240 VAC

Set Model Color of cap

A22NE-M-P002-A

A22NE-M-P002-B

A22NE-M-P002-C

Red

A22NE-M-P002-D

A22NE-M-P002-E

Switch with Integrated Control Box

Appearance

Contact configuration

(Number of switch blocks)

1NC (1) A22NE-M-P002-N-B

1NC, 1NO (2) A22NE-M-P102-N-B

2NC (2) A22NE-M-P202-N-B

Model

17

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

Operation Unit Operation Unit

Non-lighted Lighted

Switch Blocks *

LED Lamp

Mounting Latches

Push-in Plus Terminal Block Push-in Plus Terminal Block

Switch Blocks + Lighting Unit

Subassembled........The Operation Unit, LED Lamp, Mounting Latches, Switch Blocks, and Lighting Unit can be ordered separately. Use

them in combination for models that are not available as assembled Units. These can also be used as inventory for
maintenance parts.

* Up to three Switch Blocks can be mounted for multiple contacts.

18

A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

Operation Unit

Non-lighted

Sealing capability IP65 oil-resistant models

Function Size Small (30 dia.) Medium (40 dia.) Large (60-dia.)

A22NE-MP-N

Pull-reset ---

Turn-reset

A22NE-S-N

A22NE-M-N

A22NE-MRO-N
A22NE-MRO-N-RD

A22NE-MRS-N
A22NE-MRS-N-RD

---

A22NE-L-N

Lighted

Sealing capability IP65

Function Size Medium (40 dia.)

Turn-reset

LED lamp

Appearance LED light Rated voltage Model Remarks

Red

A22NE-M-L

6 VAC/VDC A22NZ-L-RA

12 VAC/VDC A22NZ-L-RB

24 VAC/VDC A22NZ-L-RC

100, 110, 120 VAC A22NZ-L-RD

200, 220, 230, 240 VAC A22NZ-L-RE

These LED lamps are for
exclusive use with the A22N
and the A22NE-P. These are
provided with the completely
assembled set of lighted
models. Order LED lamps only
when replacing them.

19

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

Accessories (Order Separately)

Item Appearance Contact specifications Model Remarks

Switch Blocks
(one contact)

Switch Blocks
(two contacts)

Lighting unit

Mounting
Latches

Control Boxes
(Enclosures)

1NO (Blue) Standard load A22NZ-S-P1AN

1NC (Red) Standard load A22NZ-S-P1BN

2NC (Red) Standard load A22NZ-S-P2BN

1NO/1NC
(White)

6 VAC/VDC A22NZ-T-APN
12 VAC/VDC A22NZ-T-BPN
24 VAC/VDC A22NZ-T-CPN
100, 110, 120 VAC A22NZ-T-DPN
200, 220, 230, 240 VAC A22NZ-T-EPN

One hole, yellow box A22NZ-A-B01Y

Standard load A22NZ-S-P2CN

--- A22NZ-H-02

Provided as standard.
Order Switch Blocks only when
adding or replacing them.

Order Switch Blocks only when
adding or replacing them.

These are provided with the
completely assembled set of
lighted models. Order Lighting
Units only when replacing them.

This Mounting Latch is for
exclusive use with the A22NE-P.
It is provided with the completely
assembled set.
Order Mounting Latches only
when mounting Switch Blocks or
Lighting Units that are
purchased individually.

Material: Polycarbonate resin.
Can be used only with a one­contact Switch Block.

*

Note: For details on the accessories common to the screw terminal block types and push-in plus terminal block types, refer to "Common

Accessories and Tools (Order Separately)" on page 32.

* The A22NZ-A-B01Y Control Box cannot be used in combination with the A22Z-3476-1 90-dia. Legend Plates for Emergency Stop or the A22Z-

EG@ E-stop Shrouds.

20

A22E A22NE-P

Common Note

Common Accessories and Tools

Specifications

A22NE-P

Certified Standard Ratings

• UL508 (File No. E76675), CSA C22.2 No.14
6 A at 240 VAC, 10 A at 120 VAC

• TÜV (EN60947-5-1) - Certified direct opening -

AC-15 3 A at 240 VAC
DC-13 4 A at 24 VDC

• CCC (GB14048.5)
AC-15 3 A at 240 VAC
DC-13 4 A at 24 VDC

Applicable Standards

UL1059, UL486E (Push-in Plus Terminal Block Types)

Note: Use a 10 A fuse type gI or gG that conforms to IEC60269 as a

Ratings

Contacts (Standard Load)

Rated

insulation

voltage (V)

600 10

(EN60947-5-5)

short-circuit protection device. This fuse is not provided in the
main unit.

Rated current (A)

(Resistive

load)

--- ---

AC12

load)

DC13

(Inductive

load)

DC12

(Resistive

load)

--- ---

48

2.2

1.1

Rated carry

current (A)

Rated

voltage

24 VAC 10 10
120 VAC 6 10
240 VAC 3 6
380 VAC 1.9 2
440 VAC 1.6 2
24 VDC
120 VDC 1.1
240 VDC 0.55

(V)

AC15

(Inductive

Certified Standards

Certification

body

UL *

TÜV SÜD

CQC (CCC) GB14048.5 2017010305959182

Note: Only models with NC contacts have a direct opening

mechanism.

* UL-certification for CSA C22.2 No. 14 has been obtained.

LED Lamp

Rated voltage Operating voltage Current value

6 VAC/VDC 6 VAC/VDC ± 10% Approx. 11 mA
12 VAC/VDC 12 VAC/VDC ± 10% Approx. 12 mA
24 VAC/VDC 24 VAC/VDC ± 10% Approx. 12 mA

100 VAC 100 VAC ± 10%

120 VAC 100 VAC to 130 VAC
200 VAC 200 VAC ± 10%
220 VAC 220 VAC ± 10%
230 VAC 230 VAC ± 10%
240 VAC 220 VAC to 250 VAC

Standards File No.

UL508, C22.2 No.14

EN60947-5-1

(Certified direct opening),

EN60947-5-5

Consult your OMRON
representative for details.

E76675

Approx. 12 mA110 VAC 110 VAC ± 10%

Approx. 12 mA

Note: 1. The above ratings were obtained by conducting tests under

the following conditions.
(1) Ambient temperature: 20°±2°C
(2) Ambient humidity: 65±5%

(3) Operating frequency: 30 operations/minute

2. Minimum applicable load: 10 mA at 5 VDC (Resistive load)
The operating range may vary depending on the usage
conditions and type of load.

21

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

Lock lever

Lighting unit

Terminal
(insertion) hole

(17.6°)

(20°)

10

20

31.9

4

Switch Blocks

Characteristics

Type Turn-reset Pull-reset

Item Non-lighted model Lighted Model Non-lighted model

Allowable operating
frequency

Insulation resistance *1 100 MΩ min. (at 500 VDC)
Contact resistance 100 mΩ max. (initial value)

Dielectric strength

Vibration resistance Malfunction 10 to 55 Hz, 1.5 mm double amplitude (contact separation within 1 ms)
Shock resistance Malfunction 250 m/s2 max. (contact separation within 1 ms)

Durability

Ambient operating temperature *2 -20 to +70°C -20 to +55°C -20 to +70°C
Ambient operating humidity 35 to 85% RH
Ambient storage temperature *2 -40 to +70°C
Degree of protection*3 IP65 (oil-resistant) *4 IP65 IP65 (oil-resistant) *4
Electric shock protection class Class II
PTI (tracking characteristic) 175
Degree of contamination 3 (EN 60947-5-1)
Minimum direct opening stroke 11 mm
Minimum direct opening force 45 N
Conditional short-circuit current 100 A (EN 60947-5-1)

Wight
(for a 40-dia. head 1NC/1NO Operation Unit)

*1. State when an LED is not added between terminals of the same polarity on a lighting unit. Does not apply to lighted-type 100 to 200 V lighting

units.

*2. With no icing or condensation.
*3. The degree of protection from the front of the panel.
*4. The degree of protection is IP65 even with an integrated control box, but the system is not oil resistant.

Mechanical 30 operations/minute or less (One operation consists of set and reset operations.)
Electrical 30 operations/minute or less (One operation consists of set and reset operations.)

Between terminals of
same polarity

*1

Between each terminal
and ground

2,500 VAC, 50/60 Hz 1 minute (initial value)

2,500 VAC, 50/60 Hz 1 minute (initial value)

Mechanical 300,000 operations min. (One operation consists of set and reset operations.)
Electrical 300,000 operations min. (One operation consists of set and reset operations.)

Approx. 55g Approx. 60g Approx. 85 g

Operating Characteristics

Item Turn-reset Pull-reset
Total travel force (TTF) 45 N max. 60 N max.
Return force (RF) 0.25N·m * max. 60 N max.
Total travel (TT) 10 ±1 mm 5.5 ±1 mm

* Rotation torque value.

Terminal Arrangement (BOTTOM VIEW)

Non-lighted (two contacts) Non-lighted (three contacts) Lighted (two contacts)

Terminal
(insertion) hole

Switch Blocks

(17.6°)

(20°)

10

20

Lock lever

31.9

4

Terminal
(insertion) hole

Switch Blocks

(17.6°)

(20°)

Lock lever

31.9

10

4

20

22

A22E A22NE-P

Common Note

Common Accessories and Tools

Terminal connection

1

2

1

2

NC NC

3

4

121

2

NC NONC

1

2

X2

X1

X

(-)

(+)

3

4

1

2

1

2

X2

X1

X

(-)

(+)

B

A

Type

Terminal Connection (BOTTOM VIEW)

2NC (two contacts) 1NC, 1NO (two contacts)

A

B

22

21

14

13

}

Color: Red

Non-lighted
LED lighting

Light source

• LED Lamp

Mounting Latches
Switch Blocks
Lighting unit

Contact Ratings

6 A at 240 VAC
10 A at 120 VAC

Lighting Method

Non-lighted
Lighted (LED)

Operation Unit

Lamp

Switch

Type

Non-lighted

A22NE-P

Terminal Connection (BOTTOM VIEW)

1NC, 1NO (two contacts) 2NC (two contacts) 2NC, 1NO (three contacts) 3NC (three contacts)

NC NO

1

3

NC NCNC

12121

Lighted

Note: The above terminal connection diagrams are examples for 1NO, 1NC (two contacts), or 2NC (two contacts).

Terminal wiring drawings of two-contact Switch Units

2

4

21

22

11

12

2

Structure and Nomenclature

23

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

1.8

5.9

0.5

32

39.5

40 dia.

42.5

Pull-reset (40-dia.)

1.8

5.9

0.5

32

39.5

30 dia.

42.5

Small Turn-reset (30-dia.)

1.8

5.9

0.5

32

39.5

40 dia.

42.5

Note: The dimensions the same even if the Operation Unit is replaced

with the A22NE-MR@-N or the A22NE-MR@-N-RD.

Medium Turn-reset (40-dia.)

60 dia.

1.8

5.9

0.5

32

39.5

42.5

Large Turn-reset (60-dia.)

Medium Turn-reset (40-dia.)

40 dia.

0.5

1.8

5.9

55

44

32

Dimensions (Unit: mm)

Non-lighted Models

A22NE-MP-P@@2-N A22NE-S-P@@2-N

A22NE-M-P@@2-N

Lighted Model

A22NE-M-P@@2-@

40 dia.

0.5

32

A22NE-L-P@@2-N

42.5

1.8

5.9

39.5

Note: Unless otherwise specified, a tolerance of ±0.8mm applies to all dimensions.

Dimensions when a two-contact Switch Block is attached

24

A22E A22NE-P

Common Note

Common Accessories and Tools

Accessories (Order Separately)

Switch Block (one contact)

A22NZ-S-P1@N

47.6

39.3

31.9

5

9.9

4

Switch Block (two contacts)

A22NZ-S-P2@N

Lighting unit

A22NZ-T-@PN

51.3

17.1

R29.5

30

Mounting Latches

A22NZ-H-02

LED Lamp
A22NZ-L-@@

Control Box
A22NZ-A-B01Y

Switch Block with Push-In Plus technology

4

47.6

12 dia.

16.4

16.4

A22NE-P

5

23.8

9.9

26.4

23.8

47.6

24.3

9.8 dia.
9 dia.

Four, M4 Phillips
binding screws

24.2

24.2

3.2

80

22.3 dia.

9.9

Four, 3.7-dia.

40

10

10

40

59.9

Case (Black)

38

Two, 21.4 dia.
(Side lead hole)

18.5

62

Cover (Yellow)

80

3.2

(M4-tapped holes)

Two, 14-dia.
(Bottom lead hole)

Two, 4.4-dia.

(oval mounting hole)

5.4

Note: For details on the accessories common to the screw terminal block types and push-in plus terminal block types, refer to "Common

Accessories and Tools (Order Separately)" on page 32.

25

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

Panel hole dimension Panel thickness

22.3 dia. 1 to 5 mm

22.3 dia.

+0.4

0

22.3 dia.

+0.4

0

R0.8 max.

+0.2
0

3.2

24.1

+0.4
0

25 dia.

+0.5

0

Rubber Washer

22.3 dia.

Lock Ring

Mounting Ring

Panel

Tightening Wrench
(order separately, A22Z-3905)

Lock Ring

Panel

Rubber washer

Mounting Ring

Hold here

When the A22Z-3360 Lock Ring (Order Separately) is used

• Take note of the direction when mounting the Lock Ring.

25-dia. Ring
A22Z-R25

Operation Unit

Panel

Lock Ring

Mounting Ring

22.3 dia.

22.3 dia.

1.30.5

25 dia.

22.3 dia.

22 dia.

Rubber washer
(provided with the
Operation Unit)

Panel Hole of 25.5-mm Diameter

• Insert the A22Z-R25 (Order
Separately) between the Operation
Unit and Panel, and tighten the
clamping nut to mount.
Before tightening, check that the
rubber washer supplied with the
Operation Unit is present between
the Operation Unit and the 25-dia.
Ring.

Panel Hole of 30-mm Diameter

•

Insert the A22Z-R30 (Order
Separately) between the Operation
Unit and Panel, and tighten the
clamping nut to mount.
Before tightening, check that the
supplied rubber washer is present
between the Operation Unit and
the panel, and between the 30-dia.
Resin Attachment and the panel.
Recommended panel thickness: 1
to 3 mm

Type of operation unit

Dimension A (mm)

min.

Dimension B (mm)

min.

30-dia., 40-dia. models 50 *150
60-dia. model 70 70

Dimension A

R0.8 max.

+0.4
0

+0.4
0

22.3 dia.

24.1

+0.4
0

+0.2
0

3.2

Using the
Lock Ring

Standard switch

Panel Hole Dimensions for 22.3 Diameter

Dimension B

+0.4
0

22.3 dia. 22.3 dia.

Application

Mounting to the Panel

(1) Preparing the Panel (3) Mounting the Operation Unit on the Panel

Panel hole dimension and panel thickness

• If outer surface treatment such as coating is performed for the panel, the panel
dimensions after outer surface treatment must meet the specified panel
dimensions.

When using a A22Z-3360 (Order Separately) Lock Ring

• Do not tighten the Mounting Nut more than necessary using tools such as
pointed-nose pliers.

• Doing so will damage the Mounting Nut.
(The tightening torque of the Mounting Nut is 1.0 to 2.0 N·m.)
Tightening Wrench: A22Z-3905

Panel Hole of 22.3-mm Diameter

• Insert the Operation Unit from the front of the panel, insert the Lock Ring and
Mounting Nut from the back of the panel, and tighten the Mounting Nut. Before
tightening, check that the rubber washer is present between the Operation Unit
and the panel.

For 25-dia.

• Use the A22Z-R25 (Order Separately) rubber ring.

(2) Minimum mounting pitch (Dimension A, Dimension B)

Minimum mounting pitch

*1. If the Mounting Collar lock levers all face the same direction at the

minimum mounting pitch, be sure to note the order the mounting
collars are attached to the Operation Unit.

*2. When using each accessory (Order Separately), set the A and B

dimensions in view of the dimensions of the accessories.

*3. Make sure the mounting pitch does not hinder the operation.

26

Panel

Projecting part

Lock Ring

Operation Unit

Rubber Washer
(provided with the
Operation Unit)

30-dia.
Resin Attachment
A22Z-A30

Rubber Washer
(included)

Mounting Panel

Lock Ring

Mounting Ring

A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

(1)

(3)

(2)

(1)

2

1

Switch Box

Screwdriver

Groove

Side

Strike at four
diagonally
opposed locations
to open the hole.

Cover

Cable
Hole

Cable diameter

(mm)

Connector

7 to 9 dia. A22Z-3500-1
9 to 11 dia. A22Z-3500-2

Removing the Mounting Latch

• Press the lock lever in from the back side to release the lock, and then hook
the Mounting Collar with a screwdriver, move it in the direction indicated at
(2), and remove it. Turn the lever all of the way until it clicks into place.

Switch Blocks and Lighting Unit

• Catch the projection on the opposite side of the Mounting Collar from the
lever side and press the Switch Block in the direction indicated at (1).

When the Mounting Latch is to be Removed

(1) Installing the Switch Blocks and Lighting Unit

Attaching the LED Lamp to the Lighting Unit

When the LED Lamp is to be Installed

• Insert the protrusions on the LED Lamp into the guides on the Lighting Unit
and then turn the LED Lamp in direction (2) to lock it in place.

Control Box

(1) Mounting the Switch

Mount the Switch in the same way as for a standard panel.
The tightening torque of the Box screws is 1.4 to 2.0 N·m.

Legend Plate

(2) Removing the Switch Blocks and Lighting Units

• Insert a screwdriver into the gap between the Mounting Collar and Switch
Block and press it inward in the direction shown at (2).

(3)

(1)

(2)

(2) Creating a Cable Hole

To open a cable hole, leave the cover attached, place the tip of a
screwdriver in the grooves at four locations around the cable hole, and strike
the screwdriver with a hammer to open the hole.

(3) Securing the Connector Cable

1. Insert the connector into the cable port hole in the Box and

secure with the fixing nut inside the box.

2. Open a hole in the thin rubber section of the rubber ring.

3. Pass the tightening cap through the cable, insert the cable into

the connector, and tighten the hexagonal nut to secure the cable.

Rubber washer

Mounting
RIng

Panel

Connector

Tightening cap

Cable

27

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

1

2

Mounting
Latches

Operation Unit

Lock lever

Mounting
Latches

Switch Blocks

Safety Precautions

Be sure to read the precautions for All PushButton Switches in the website at: http://www.ia.omron.com/.

Indication and Meaning for Safe Use

Precautions

for Safe Use

Precautions

for Correct

Use

Comments on what to do or avoid doing, to use
the product safely.

Supplementary comments on what to do or
avoid doing to use the product safely and
prevent its malfunctioning or an adverse effect
on its performance or functions.

Precautions for Safe Use

• If the Operation Unit is separated from the Switch Units, the
equipment will not stop, resulting in a hazardous situation.
Make sure the Operation Unit, Mounting Latches, and the Switch
Units are properly assembled.

<Assembling the Operation Unit and the Mounting Latches>
Align the TOP indication (the mark) on the Operation Unit with
the TOP indication on the Mounting Latches to fit it properly, and
turn the lock lever on the Mounting Latch in the direction shown in
the figure below until a clicking sound is heard.

<Assembling the Mounting Latches and Switch Blocks>
Make sure the hooking part (convex part) on the Mounting Latches
is perfectly latched into the hooking part (concave part) on the
Switch Block.

• Do not use the Switch/Indicator in locations where explosive or
flammable gases or liquid may be present or scattered. The
electric ark or the heat caused by switching contacts may cause a
fire or explosion.

• Do not use the Switch/Indicator in locations where toxic gases,
such as H
locations subject to high temperature or humidity. Doing so may
damage the Switch/Indicator due to contact failure or corrosion.

• Do not use the Switch/Indicator submersed in oil or water, or in
locations continuously subject to splashes of oil or water. Doing so
may result in oil or water entering and damaging the Switch/
Indicator.

• Do not use or keep the Switch/Indicator under the following
conditions:

• Subject to severe temperature changes.

• Subject to high humidity or condensation.

• Subject to severe vibration or shock.

• Where direct rays of the sun strike.

• Where sea breeze may be present.

• Make sure that a rubber washer is present between the Operation
Unit and the panel. Otherwise, the specifications of the protective
structure may not be satisfied.

• Do not apply excessive force to the Switch or wirings. Damage or
deformation of the Switch Block could cause an improper contact
or a loss of safety.

• Use an appropriate wiring and crimp terminals (hereinafter, called
ferrule terminals).

• Exercise caution to avoid wiring errors when connecting the
terminals.

• To prevent wiring materials from smoking or ignition, confirm wire
ratings and use the wiring materials given in the following table.

Solid wire/
Stranded
Wire

Use wiring crimp terminals and ferrule terminals of the specified
size.

• After storing the product for a long time exceeding 1 year, perform,
at a minimum, inspections of the operating characteristics, contact
resistance, insulation resistance, and dielectric strength as well as
evaluate the product under the working conditions.

• This Switch/Indicator is intended for indoor use only.
Using the Switch/Indicator outdoors may result in failure.

2S, SO2, NH3, HNO3, and Cl2, may be present, or in

Wire

Wire Type

material

Copper

Recommended

Wire

0.25 to 1.5 mm
AWG 24 to 16

2

Wire coating peeling

amount

Ferrules used: 10 to 12 mm
(Varies depending on the
recommended ferrule
conductor length)
Ferrules not used: 8 mm

• When transition wiring is performed, make sure the switching
current inside the Switch and the current based on the transition
wiring is below the rated current of the Switch.
If a current value higher than the rated current flows, it could result
in emission of heat, or damage and deformation of the Switch,
which could cause fire and locking of the contact, and thus a loss
of safety.

• Do not perform wiring with power supplied to the Switch/Indicator.
Do not touch the terminals or other charged parts while power is
being supplied. Doing so may result in electric shock.

• Do not disassemble or modify the Switch/Indicator under any
circumstances.

• Doing so may prevent the Switch/Indicator from functioning to its
full capability. Do not drop the Switch/Indicator. Do not apply
pressure that may deform or alter the Switch/Indicator.

• The durability of the Switch varies considerably depending on the
switching conditions. Always test the Switch/Indicator under actual
working conditions before application and use the Switch/Indicator

only for the number of switching operations allowed.

• Do not allow the load voltage and current to exceed the rated
value. This may damage or burn out the Switch/Indicator.

28

A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

Ferrule or solid wire

Approx. 6˚

Approx. 6˚

The wiring for the Lighting Unit and Switch Block (2 contacts) are the
same as for the Switch Block (1 contact) shown in the above illustra­tion.

• Do not wire anything to the release holes.

• Do not tilt or twist a flat-blade screwdriver while it is inserted into a

release hole on the terminal block. The terminal block may be
damaged.

• Insert a flat-blade screwdriver into the release holes at an angle.
The terminal block may be damaged if you insert the screwdriver
straight in.

• Do not allow the flat-blade screwdriver to fall out while it is inserted
into a release hole.

• Do not bend a wire past its natural bending radius or pull on it with
excessive force.
Doing so may cause the wire disconnection.

• Do not insert more than one wire into each terminal insertion hole.

• Do not mount A22N-P or A22NE-P Push-In Plus terminal switch
blocks on A22N screw terminal blocks. Doing so may result in
unsatisfactory performance.

Precautions for Correct Use

Wiring

1. Connecting Wires to the Push-In Plus Terminal Block

Part Names of the Terminal Block

Terminal (insertion) hole

Release hole

Terminal (insertion) hole

Connecting Wires with Ferrules and Solid Wires

• Insert the solid wire or ferrule straight into the terminal block until
the end strikes the terminal block. The angle should be
approximately 6°.

• If a wire is difficult to connect because it is too thin, use a flat-blade
screwdriver in the same way as when connecting stranded wires.

29

A22NE-P

A22E A22NE-P

Common Accessories and Tools

Common Note

Approx. 6˚

(2)

Approx. 6˚

(1)

(3)

Flat-blade screwdriver

Approx. 6˚

The wiring and screwdriver angles for the Lighting Unit and Switch
Block (2 contacts) are the same as for the Switch Block (1 contact)
shown in the above illustration.

Approx. 6˚

(2)

Approx. 6˚

(1)

(3)

Flat-blade screwdriver

Approx. 6˚

The wiring and screwdriver angles for the Lighting Unit and Switch
Block (2 contacts) are the same as for the Switch Block (1 contact)
shown in the above illustration.

8 to 10 mm

Max. 1.9 mm

Max. 2.6 mm

Side view

0.4 mm

2.5 mm dia.

2.5 mm

Front view

Connecting Stranded Wires

Use the following procedure to connect the wires to the terminal
block.

1. Hold a flat-blade screwdriver at an angle and insert it into the
release hole.
The angle should be approximately 6°. If the flat-blade screwdriver
is inserted correctly, you will feel the spring in the release hole.

2. With the flat-blade screwdriver still inserted into the release hole,
insert the wire into the terminal hole until the end strikes the
terminal block.

3. Remove the flat-blade screwdriver from the release hole.

Checking Connections

• After the insertion, pull gently on the wire to make sure that it will
not come off and it is securely fastened to the terminal block.

• If you use a ferrule with a conductor length of 10 mm, part of the
conductor may be visible after the ferrule is inserted into the
terminal block, but the product insulation distance will still be
satisfied.

2. Removing Wires from the Push-In Plus Terminal Block

Use the following procedure to remove wires from the terminal block.
The same method is used to remove stranded wires, solid wires, and
ferrules.

1. Hold a flat-blade screwdriver at an angle and insert it into the
release hole. The angle should be approximately 6°.

2. With the flat-blade screwdriver still inserted into the release hole,
remove the wire from the terminal insertion hole.

3. Remove the flat-blade screwdriver from the release hole.

3. Recommended Ferrules and Crimp Tools
Coating peeling amount

Recommend Wire Type

0.25 to 1.5 mm

2

/AWG 24 to AWG 16 8 mm

Stripping length

(Ferrules not used)

Recommended ferrules

Applicable

wire

(mm2)

0.25 24

0.34 22

0.5 20

0.75 18

1/1.25

1.25/1.5

Recommended Crimp Tools

(AWG)

18/17

17/16

Ferrule

conductor

length

(mm)

Stripping

length (mm)

(Ferrules not

used)

8 10 AI 0, 25-8 H0.25/12 216-301

10 12 AI 0, 25-10 --- ---

8 10 AI 0, 34-8 H0.34/12 216-302

10 12 AI 0, 34-10 --- ---

8 10 AI 0, 5-8 H0.5/14 216-201

10 12 AI 0, 5-10 H0.5/16 216-241

8 10 AI 0, 75-8 H0.75/14 216-202

10 12 AI 0, 75-10 H0.75/16 216-242

8 10 AI 1-8 H1.0/14 216-203

10 12 AI 1-10 H1.0/16 216-243

8 10 AI 1, 5-8 H1.5/14 216-204

10 12 AI 1, 5-10 H1.5/16 216-244

Note: 1. Make sure that the outer diameter of the wire coating is

smaller than the inner diameter of the insulation sleeve of
the recommended ferrule.

2. Make sure that the ferrule processing dimensions conform
to the following figures.

Recommended ferrules

Phoenix
Contact
product

CRIMPFOX6
CRIMPFOX6T-F
CRIMPFOX10S

Weidmuller

PZ6 roto

product

Wago

product

Variocri
mp4

Recommended Flat-Blade Screwdrivers

Use a flat-blade screwdriver to connect and remove wires.
Use one of the following flat-blade screwdrivers.
The following table shows manufacturers and models as of 2015/Dec.

30

Model Manufacture

ESD 0,40 × 2,5 Wera

SZS 0,4 × 2,5
SZF 0-0,4 × 2,5 *

0.4 × 2.5 × 75 302 Wiha

AEF.2,5 × 75 Facom

210-719 Wago

SDI 0,4 × 2,5 × 75 Weidmuller

*

The SZF 0-0,4 × 2,5 (manufactured by Phoenix Contact) can be

Phoenix Contact

procured through an OMRON exclusive purchase form (XW4Z-00B).

• After wiring the Switch/Indicator, provide a sufficient insulation
distance.

A22E A22NE-P

Common Note

Common Accessories and Tools

LED Lamps

(Example of lighting malfunction prevention circuit)

When using a 24-VAC/VDC lighted unit

• A current-limiting resistor is built in the LED lamp, so the
installation of an external resistance is not required.

• Lighting malfunction of the LED lamp
A micro-current of approximately 0.1 mA or less is sufficient to turn
on the LED lamps. Take a countermeasure like adding a resistor to
prevent mis-lighting in parallel to the LED lamp.
The micro-current varies with the machine (leak current or stray
capacity between cables, etc.). Select resistance value and
allowable power consumption that meet the actual current.

Be sure to read the "Safety Precautions" on page 37.

LED
lamp

A22NE-P

X1

R:10 kΩ (1 W)
Bleeder resistor

X2

31

A22E/A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

Common Accessories and Tools (Order Separately)

Ordering Information

Common to Screw Terminal Block types (A22E)/Push-in Plus Terminal Block types (A22NE-P)

Item Appearance Classification Model Remarks

60-dia. black letters on yellow
back-ground

Legend Plates for
Emergency Stop

Hole Plug Round A22Z-3530

Connectors

25-dia. Ring --- A22Z-R25

30-dia.
Resin Attachment

Lock Ring --- A22Z-3360

90-dia. black letters on yellow
back-ground

60-dia. black letters on yellow
background

Applicable cable
diameter

7 to 9 dia. A22Z-3500-1

9 to 11 dia. A22Z-3500-2

--- A22Z-A30

A22Z-3466-1

A22Z-3476-1

A22Z-3466-2

Used in combination with the washer rubber when the level of
protection is to be met between panels.

Cannot be used in combination with the Control Boxes.
Used in combination with the washer rubber when the level of
protection is to be met between panels.

Used for covering the panel cutouts for future panel expansion.
Black color.

Plastic connector used to extend a cable from the Switch Box.
(Refer to page 27).

Use when mounting to a panel with a 25-dia. hole. (Refer to page

26).
Material: Rubber, Level of protection: IP65

Use when mounting to a panel with a 30-dia. hole. (Refer to page

26).
A rubber washer (A22Z-R) is provided with the product.

The body is equipped with a Lock Ring.
This Lock Ring is used when a more secure lock feature is
required. (Refer to page 26).

Tightening Tool --- A22Z-3905

E-stop Shroud for
EMO, Yellow

E-stop Shroud for
EMO, Yellow

E-stop Shroud for
EMS, White

E-stop Shroud for
EMS, White

E-stop Shroud,
Yellow

E-stop Shroud for
EMO, Yellow

Legend plate for EMERGENCY
OFF is not included.

Legend plate for EMERGENCY
STOP is not included.

Spacer Unit is not included. A22Z-EG2

One Spacer Unit is included. A22Z-EG21

Two Spacer Units are included.

--- A22Z-EG1

--- A22Z-EG1-W

--- A22Z-EG3

A22Z-EG10

A22Z-EG10-W

A22Z-EG22

Used for tightening the mounting ring from the back side of the
panel, and for removing the cap in lighted models.

Provides SEMI-S2/SEMATECH APPLICATION GUIDE FOR
SEMI-S2 compatibility. The SEMI-S2-compatible Shroud and
legend plate for EMERGENCY OFF come as a set. Use with an
A22E Emergency Stop Switch (for emergency shutoff) *1 *2

Provides SEMI-S2/SEMATECH APPLICATION GUIDE FOR
SEMI S2 compatibility. Use with an A22E with EMO indication.
(for emergency off) *2

Provides SEMI-S2/SEMATECH APPLICATION GUIDE FOR
SEMI-S2 compatibility. The SEMI-S2-compatible Shroud and
legend plate for EMERGENCY STOP come as a set. Use with
an A22E Emergency Stop Switch. (for emergency stop) *1*2

Provides SEMI-S2/SEMATECH APPLICATION GUIDE FOR
SEMI S2 compatibility. Use with an A22E with EMS indication.
(for emergency stop) *2

SEMI-S2/SEMATECH APPLICATION GUIDE FOR SEMI
S2-compatible Shroud. (for emergency shutoff) *1 *2
Use together with an A22E Emergency Stop Switch.

Provides SEMI-S2/SEMATECH APPLICATION GUIDE FOR
SEMI-S2 compatibility. The SEMI-S2-compatible Shroud and
legend plate for EMERGENCY OFF come as a set. Use with an
A22E Emergency Stop Switch.(for emergency shutoff) *1 *2

Rubber Packing - A22Z-R

Used together with accessories.
Contains 10 packings.

*1. These Shrouds are for use with the equipment only that conforms to SEMI standards. Do not use them for any other applications (e.g.

emergency stop switches for machines or devices such as Machine tools, Printing presses, Industrial machinery, etc).

*2.

The Control Boxes cannot be used in combination with the A22Z-3476-1 Legend Plates for Emergency Stop or the A22Z-EG@ E-stop Shrouds.

Note: 1. Accessories for A22Z-EG1: one “EMERGENCY OFF” label, two rubber packings, and one lock ring

2. Accessories for A22Z-EG10: one rubber packing and one lock ring (without label)

32

A22E A22NE-P

Common Note

Common Accessories and Tools

Dimensions (Unit: mm)

30 dia. 1

13

2.5

6

Hole Plug
Round A22Z-3530

6.1

3.8

20.5

2.8

22.2 dia.

34.7 dia.

30-dia. Resin Attachment
A22Z-A30

20.5

2
1

2.8

Lock Ring
A22Z-3360

22.2 dia.

30 dia.

Material: Nickel plated on iron

25-dia. Ring
A22Z-R25

22 dia.

24.8 dia.

27 dia.

0.5

1.3

Material: NBR (black)

22 dia.

27 dia.

0.5

Rubber Packing
A22Z-R

Screw Terminal Block Type/Push-in Plus Terminal Block Type

Legend Plates for Emergency Stop

A22Z-3476-1 (90 dia.)

A22Z-3466-1 (60 dia.)

A22E/A22NE-P

A22Z-3466-2 (60 dia.)

Black letters

Yellow

t1

Tightening Tool
A22Z-3905

30 dia.

4.5

20

90 dia.

22.2 dia.

90 2

19.2 dia.

21.2 dia.

Black letters

25 dia.

Yellow

60 dia.

22.2 dia.

Black letter

Yellow

t1t1

60 dia.

22.2 dia.

33

A22E/A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

2.3

+0.5

-1.5

Switch Mounting Dimension

2.3

+0.5

-1.5

Switch Mounting
Dimension

Sunken
section,

0.2

Switch guard

75

2.8

20.5

63

90 dia.

78 dia.

38

52.2 max.

30

40

75 min.
(Determined by the
height of the Switch
surface in the
lock position.)

22.2 dia

33 dia.

Panel Cutout Dimensions

Allowable panel thickness: 1 to 2 mm

5R

EMERGENCY OFF
inscription plate (t=1)

Rubber packing (t=0.5)

Rubber packing (t=0.5)

Locking ring

Mounting panel

2

1

Panel

Switch Unit

A22E-M

2.5

+0.5

-1.5

8

R1.7

+0.1

0

22.3

+0.4

0

dia.

24.2

±0.2

“EMERGENCY STOP” is indicated
on A22Z-EG1-W.
Legend plate is not provided with
A22Z-EG10 and A22Z-EG10-W.

8.5

38

52.2 max.

30 dia.

40 dia.

1-pole
Switch Unit

2-pole
Switch Unit

R5

38.5

37 max.

Panel

Panel

Screw Terminal Block type
Mounting a 1-pole Switch Unit

Push-in Plus Terminal Block type
Mounting a 1-pole Switch Unit

Push-in Plus Terminal Block type
Mounting a 2-pole Switch Unit

Note: 1. The dimensions of the

Shroud conform to the
specifications of the
SEMATECH
Application Guide for
SEMI S2-93.

2. The Shroud is not
provided with the
Switch.

Common E-stop Shrouds
A22Z-EG1, A22Z-EG1-W, A22Z-EG10, A22Z-EG10-W

34

A22E A22NE-P

Common Note

Common Accessories and Tools

12

2R

M90

353

20.6

22.2 dia.

2.8

79 dia.

98 dia.

105 dia.

Detents
inside
(One on
each side)

95

+0.2

0

5.5

+0.2

0

90.3

+0.4

0

dia.

20

23

10

13

Panel Panel

SpacersSpacer

105 max.

1b Contact Unit

Position of
detent
notch

Position of
detent
notch

Panel

The number of spacers depends on the model
A22Z-EG2 : No Spacer
A22Z-EG21 : 1 Spacer
A22Z-EG22 : 2 Spacers

88 max.

Position of
detent
notch

Position of
detent
notch

Panel

Panel

2b One-Piece

Contact Unit

2b One-Piece

Contact Unit

72 max.

With 1 Spacer With 2 Spacers

Screw Terminal Block Type
Mounting a 1-pole Switch Unit *

Screw Terminal Block Type
Mounting a 2-pole Switch Unit *

Push-in Plus Terminal Block Type
Mounting a 1-pole Switch Unit *

Push-in Plus Terminal Block Type
Mounting a 2-pole Switch Unit *

Panel Cutout Dimensions

* These are the dimension from the front of the panel when the Switch Unit is attached.

During spacer attachment

E-stop Shrouds
A22Z-EG2, A22Z-EG21, A22Z-EG22

Note: 1. The dimensions of the Shroud conform to the

specifications of the SEMATECH Application Guide
for SEMI S2-93.

2. The Shroud is not provided with the Switch.

3. Tighten to a torque of 1.96 to 2.94 N⋅m.

4. The allowable panel thicknesses are as follows:

Without Spacers: t=1.3 to 22.5 mm
With 1 Spacer: t=1.3 to 12.5 mm
With 2 Spacers: t=1.3 to 2.5 mm

A22E/A22NE-P

35

A22E/A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

1-pole
Switch Unit

1-pole
Switch Unit

2-pole
Switch Unit

1.7R

+0.1

0

2.8

33 dia.

C

C

78 min. (Determined by the
height of the Switch
surface in the lock position.)

20.5

22.2 dia.

E-Stop Shroud

C-C

Panel

Panel

2.5

+0.5

-1.5

Portion B

Legend Plate
(Provided with the Switch Guard)

Rubber Packing
(t=0.5, Rubber Packing)

Panel

Locking Ring
(Rubber Packing)

Mounting Nut
(Provided with the Operation Unit)

Panel Cutout Dimensions

Allowable panel thickness:
1 to 3 mm

22.3 dia.

+0.4

0

Rubber Packing
(t=0.5, Rubber Packing)

Portion A:
Indented part

90 dia.

Switch Mounting
Dimension

2.5

+0.5

-1.5

Switch Mounting
Dimension

71.2 max.

C-C

38

Panel

2-pole Switch Unit

2.5

+0.5

-1.5

Switch Mounting
Dimension

2.5

+0.5

-1.5

Switch Mounting
Dimension

Panel

52.2 max.

38.8

52.2 max.

38

37 max.

38.8

Set model number
A22Z-EG3

24.2±

0.2

Screw Terminal Block Type
Mounting a 1-pole Switch Unit

Screw Terminal Block Type
Mounting a 2-pole Switch Unit

Push-in Plus Terminal Block Type
Mounting a 1-pole Switch Unit

Push-in Plus Terminal Block Type
Mounting a 2-pole Switch Unit

E-stop Shroud
A22Z-EG3

Note: 1. The dimensions of the Shroud conform to the

specifications of the SEMATECH Application Guide for
SEMI S2-93.

2. The Shroud is not provided with the Switch.

36

A22E/A22NE-P

A22E A22NE-P

Common Note

Common Accessories and Tools

Screwdriver

Hammer

Do not allow the
Switch to drop and hit
the floor.

Do not place or drop
heavy objects on the
Switch.

Do not operate the
Switch with hard or
sharp objects.

Safety Precautions

Be sure to read the precautions for All PushButton Switches in the website at:http://www.ia.omron.com/.

Indication and Meaning for Safe Use

Precautions

for Safe Use

Mounting

• Always make sure that the power is turned OFF before wiring the
Switch. Also, do not touch the terminals or other current-carrying
ports while power is being supplied. Electric shock may occur.

• Do not tighten the mounting ring more than necessary using tools
such as pointed-nose pliers. Doing so will damage the mounting
ring. The tightening torque is 0.98 to 1.96 N·m.

• Recommended panel thickness: 1 to 5 mm.

• When mounting the caps after changing the LED or the caps,
tighten the caps at a tightening torque of 0.49 to 0.78 N·m.

Operating Environment

• The IP65 model is designed with a protective structure so that it will
not sustain damage if it is subjected to water from any direction to
the front of the panel.

• The Switch is intended for indoor use only. Using the Switch
outdoor may cause it to fail.

Others

• If the panel is to be coated, make sure that the panel meets the
specified dimensions after coating.

• Due to the structure of the Switch, severe shock or vibration may
cause malfunctions or damage to the Switch.
Also, most Switches are made from resin and will be damaged if
they come into contact with sharp objects. Particularly scratches
on the Operation Unit may create visual and operational
obtrusions.
Handle the Switches with care, and do not throw or drop them.

Supplementary comments on what to do
or avoid doing, to use the product safely.

Precautions for Correct Use

37

MEMO

38

Terms and Conditions Agreement

Read and understand this catalog.

Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have
any questions or comments.

Warranties.

(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship

for a period of twelve months from the date of sale by Omron (or such other period expressed in writing
by Omron). Omron disclaims all other warranties, express or implied.

(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT

NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE
PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL
SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.

Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products
or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at Omron’s election,
to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the
non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price
of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other
claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored,
installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by
Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or
unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system
assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in
writing, are not to be construed as an amendment or addition to the above warranty.

See http://www.omron.com/global/ or contact your Omron representative for published information.

Limitation on Liability; Etc.

OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.

Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.

Suitability of Use.

Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is
not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system,
or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with
respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.

Programmable Products.

Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof.

Performance Data.

Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it
to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.

Change in Specifications.

Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice
to change part numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be
assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to
confirm actual specifications of purchased Product.

Errors and Omissions.

Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.

Authorized Distributor:

In the interest of product improvement,
specifications are subject to change without notice.

Cat. No. A263-E1-01

0917(0917)

© OMRON Corporation 2017 All Rights Reserved.

OMRON Corporation Industrial Automation Company

Regional Headquarters

OMRON EUROPE B.V.

Wegalaan 67-69, 2132 JD Hoofddorp
The Netherlands
Tel: [phone]/Fax: [phone]

Contact: www.ia.omron.com

Kyoto, JAPAN

OMRON ASIA PACIFIC PTE. LTD.

No. 438A Alexandra Road # 05-05/08 (Lobby 2),
Alexandra Technopark,
Singapore 119967
Tel: [phone]/Fax: [phone]

OMRON (CHINA) CO., LTD.

Room 2211, Bank of China Tower,
200 Yin Cheng Zhong Road,
PuDong New Area, Shanghai, 200120, China
Tel: [phone]/Fax: [phone]

OMRON SCIENTIFIC TECHNOLOGIES INC.

6550 Dumbarton Circle Fremont
CA 94555 U.S.A.
Tel: [phone]/Fax: [phone]