Omron A165E DATASHEET
Emergency Stop Switch
A165E
Mounting Aperture of
16 mm
• Modular construction, easy installation
• Direct opening mechanism with minimum contact separation of 3 mm in accordance with EN60947-5-1, . (only
for NC contacts)
• Conforms to EN418, EN60947-5-1.
• Includes a safety lock to prevent misuse.
• Features separate construction that allows the Switch to be separated for
easier wiring and one-piece-like construction that allows easier handling.
• High reliability, IP65
• Short mounting depth, less than 28.5
mm below panel
• Quick and easy assembly, snap-in
Switch.
• A165E is identifiable, clearly visible
and will stop a dangerous process,
without creating additional hazards.
Æ
Model Number Structure
Model Number Legend
A165E-##-#-#
1 2 3 4
1. Lighted/Non-lighted
None: Non-lighted
L: Lighted
2. Head Size
S: 30 mm dia.
M: 40 mm dia.
3. Illumination (Operation Voltage/Rated Voltage)
None: Non-lighted
24D: LED (24 VDC)
4. Contacts
01: SPST (NC)
02: DPST (NC)
03U: TPST (NC)
One-body, non-lighted models only
A165E
G-283A165E
Ordering Information
List of Models
Standard load
Illumination Rated voltage Pushbutton color Pushbutton size Terminal Contact
LED 24 VDC
30 dia.
None ---
Red
LED 24 VDC
40 dia.
None ---
Note: The above models have a surface indication of “RESET.” Models with “STOP” indication are also available. For further information, contact
your OMRON representative.
Solder terminal
SPST-NC A165E-LS-24D-01
DPST-NC A165E-LS-24D-02
SPST-NC A165E-S-01
DPST-NC A165E-S-02
TPST-NC A165E-S-03U
SPST-NC A165E-LM-24D-01
DPST-NC A165E-LM-24D-02
SPST-NC A165E-M-01
DPST-NC A165E-M-02
TPST-NC A165E-M-03U
Accessories (Order Separately)
Item Appearance Type Model Precautions
(125 VAC at 5 A,
250 VAC at 3 A,
30 VDC at 3 A)
Yellow Plate Yellow, 45 dia. A16Z-5070
Rectangular A16ZJ-3003
Panel Plug
Tightening Tool --- A16Z-3004
Extractor --- A16Z-5080
Square A16ZA-3003
Round A16ZT-3003
Specifications
Approved Standards
Recognized Organization Standards File No.
UL, cUL (see note) UL508 E41515
AZCO EN60947-5-1 C9805501
Note: UL: UL508, cUL: CSA C22 No. 14
Approved Standard Ratings
UL, cUL
Rated voltage
125 VAC
250 VAC
30 VDC
A165E series
5 A (General use)
3 A (General use)
3 A (Resistive)
Rated current
A165E-U series
1 A (General use)
0.5 A (General use)
1 A (Resistive)
Use this as an emergency stop
nameplate.
Used for covering the panel cutouts
for future panel expansion.
Useful for repetitive mounting. Be
careful not to tighten excessively.
Convenient for extracting the Switch
and Lamp.
G-284 Safety Sensors / Components
Ratings
Switch Ratings
Rated voltage
125 VAC
250 VAC
30 VDC
Minimum applicable
load
A165E series
5 A
3 A
3 A
150 mA at 5 VDC
Resistive load
A165E#-U series
1 A
0.5 A
1 A
1 mA at 5 VDC
Characteristics
Item Emergency Stop Switch
Allowable operating
frequency
Insulation resistance 100 MΩ min. (at 500 VDC)
Dielectric strength
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock resistance
Durability
Ambient temperature
Ambient humidity Operating:35% to 85%
Electric shock protection class Class II
PTI (tracking characteristic) 175
Degree of contamination 3
Weight Approx. 16 g (in case of DPDT Switches)
Mechanical 20 operations/minute max.
Electrical 10 operations/minute max.
1,000 VAC, 50/60 Hz for 1 min between terminals of same polarity
2,000 VAC, 50/60 Hz for 1 min between terminals of different polarity and also between each
terminal and ground
1,000 VAC, 50/60 Hz for 1 min between lamp terminals (see note)
Destruction 500 m/s
Malfunction
300 m/s
150 m/s
2
2
max. (malfunction within 1 ms),
2
max. In case of A165E#U series
Mechanical 100,000 operations min.
Electrical 100,000 operations min.
Operating:-10°C to 55°C (with no icing or condensation)
Storage:-25°C to 65°C (with no icing or condensation)
Note: LED not mounted. Test them with the LED removed.
Operating Characteristics
Features Characteristics
Operating force (OF) max. 14.7 N
Releasing force (RF) min. 0.1 N·m
Pretravel (PT) 3.5±0.5 mm (3±0.5 mm In case of A165E#U series)
A165E
G-285A165E
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