Omron ZC-55 DATASHEET

Enclosed Switch

ZC-@55

Small, High-precision Enclosed Switch

• Employs a modified version of Z Basic Switch as built-in switch.

• Same mounting pitch as Z Basic Switch.

• Pre-wired molded terminal models are available.

• Requires less operating force than conventional limit switches.

• Long life expectancy and economical.

• UL, CSA, and EN models are available.

Model Number Structure

■ Model Number Legend

ZC-@55

1

1. Actuator

D: Plunger
Q: Panel mount plunger
Q22: Panel mount roller plunger
Q21: Panel mount crossroller plunger
N22: Sealed roller plunger
N21: Sealed crossroller plunger

Ordering Information

■ List of Models

Actuator Model Actuator Model

Plunger

Panel mount
plunger

Panel mount
roller plunger

Panel mount
crossroller plunger

ZC-D55 ZC-W55

ZC-Q55 ZC-W155

ZC-Q2255 ZC-W255

ZC-Q2155 ZC-W2155

W: Short hinge lever
W1: Hinge lever
W2: Short hinge roller lever
W21: Hinge roller lever
W3: One-way action short hinge roller lever
W31: One-way action hinge roller lever

Short hinge
lever

Hinge lever

Short hinge
roller lever

Hinge roller
lever

Limit

Switches

Sealed roller
plunger

Sealed crossroller
plunger

Note: 1. Use molded terminal models (refer to page 117) when using the Switch under one of the following conditions:

a) dusty, b) high amount of dripping oil, or c) high humidity

2. Micro-load models are available.

e.g. Standard model

ZC-Q55 ZC-Q55-01

ZC-N2255 ZC-W355

ZC-N2155 ZC-W3155

Micro-load model

One-way action
short hinge roller
lever

One-way action
hinge roller lever

Enclosed Switch ZC-@55 F-109

Terminal Protective Cover, Seal Rubber, and Rubber Packing

(The Switch is equipped with these 3 items as a standard.)

• ZC Terminal Cover

Rubber packing

Terminal cover

Seal rubber

(Product code: ZC55-0002H)

• ZC Seal Rubber

(Product code: SC-1404C)

• ZC Rubber Packing

(Product code: ZC55-9999G)

Specifications

■ Approved Standards

(Except Molded Terminal Models and Operation Indicator-equipped Model)

Agency Standard File No.

UL UL508 E76675
CSA C22.2, No. 14 LR45258
TÜV Rheinland EN60947-1, EN60947-5-1 J9650089

■ Approved Standard Ratings

UL/CSA
A300

Voltage Carry current Current Volt-amperes

Make Break Make Break

120 VAC 10 A 60 A 6 A 7,200 VA 720 VA
240 VAC 30 A 3 A

Micro load 0.1 A, 125 VAC

0.1 A, 30 VDC

TÜV Rheinland

250 V, 10 A (AC12)

■ Ratings

Rated voltage Non-inductive load Inductive load

Resistive load Lamp load Inductive load Motor load

NC NO NC NO NC NO NC NO
125 VAC 10 A 3 A 1.5 A 10 A 5 A 2.5 A
250 VAC 10 A 2.5 A 1.25 A 10 A 3 A 1.5 A
8 VDC 10 A 3 A 1.5 A 6 A 5 A 2.5 A
14 VDC 10 A 3 A 1.5 A 6 A 5 A 2.5 A
30 VDC 6 A 3 A 1.5 A 5 A 5 A 2.5 A
125 VDC 0.5 A 0.4 A 0.4 A 0.05 A 0.05 A 0.05 A
250 VDC 0.25 A 0.2 A 0.2 A 0.03 A 0.03 A 0.03 A

Inrush current NC 30 A max.

NO 15 A max.

Note: 1. The above figures are for steady-state currents.

2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).

3. Lamp load has an inrush current of 10 times the steady-state current.

4. Motor load has an inrush current of 6 times the steady-state current.

5. The above ratings were tested under the following conditions according to JIS C4508.

Ambient temperature: 20±2°C
Ambient humidity: 65±5%
Operating frequency: 20 operations/min

F-110 Enclosed Switch ZC-@55

■ Characteristics

Degree of protections IP67
Durability Mechanical: 10,000,000 operations min.

Operating speed 0.05 mm to 0.5 m/s (at pin plunger)
Operating frequency Mechanical: 120 operations/min

Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 15 mΩ max. (initial value)
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between non-continuous terminals

Rated insulation voltage (U
Pollution degree

(operating environment)
Short-circuit protective device 10 A-fuse type gG (IEC 269)
Protection against electric

shock
PT1 (tracking characteristics) 175
Switch category D (IEC335)
Rated operating current (Ie) 10 A
Rated operating voltage (Ue) 250 VAC
Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude (see note)
Shock resistance

Ambient temperature Operating: –10°C to 80°C (with no icing)
Ambient humidity Operating: 35% to 95%
Weight Approx. 92 g (in case of ZC-Q22(21)55)

Note: Less than 1 ms under a free state at the operating limits.

Electrical: 500,000 operations min.

Electrical: 20 operations/min

2,000 VAC, 50/60 Hz for 1 min between current-carrying metal part and ground, and between each terminal
and non-current-carrying metal parts

) 1,000 VAC

i

3 (IEC947-5-1)

Class II

2

Destruction: 1,000 m/s
Malfunction: 300 m/s

max.

2

max. (at pin plunger) (see note)

Limit

Switches

■ Operating Characteristics

Model ZC-D55 ZC-Q55 ZC-Q2255 ZC-Q2155 ZC-N2255 ZC-N2155
OF max. 11.8 N 11.8 N 6.86 N
RF min. 4.90 N 4.90 N 1.67 N
PT max. 1.5 mm 1.5 mm 1.5 mm
OT min. 2.4 mm 3 mm 2.5 mm
MD max. 0.2 mm 0.2 mm 0.2 mm
OP 32.4±0.8 mm 38.2±0.8 mm 47.4±0.8 mm

Model ZC-W55 ZC-W155 ZC-W255 ZC-W2155 ZC-W355 ZC-W3155
OF max. 3.92 N 2.75 N 3.92 N 2.75 N 3.92 N 2.75 N
RF min. 0.78 N 0.59 N 0.78 N 0.59 N 0.78 N 0.59 N
OT min. 6 mm 8.4 mm 6 mm 8.4 mm 6 mm 8.4 mm
MD max. 1 mm 1.4 mm 1 mm 1.4 mm 1 mm 1.4 mm
OP 28.5±1.2 mm 28.5±1.2 mm 43±1.2 mm 43±1.2 mm 53±1.2 mm 53±1.2 mm
FP max. 34.7 mm 36.7 mm 49.2 mm 51.3 mm 59.2 mm 61.2 mm

■ Contact Form

NC

COM NO NC

COM

EN60947-5-1

NO

Enclosed Switch ZC-@55 F-111