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Emergency Stop Switch (16-dia.)

A165E

Separate Construction with Smallest 
Class of Depth in the World

Direct opening mechanism to open contacts in emergencies, 

such as when they are welded. 

Conforms to EN418.

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.

Models available with 3 contacts built into a single block 

(A165E-U).

Model Number Structure

List of Models

Model Number Legend (Completely Assembled)

.........................Shipped as a set that includes the Operation Unit 

and light source.

Diameter of 

Operation Unit

Function

Model

Shape

30-mm models
40-mm models

Push-Lock,
turn-reset

A165E

Separate 
construction

(30-mm model)

A165E-

@

-03U

One-piece
construction

(30-mm model)

Be sure to read the precautions for all pushbutton switches 
in the 

Pushbutton Switches Group Catalog

 (Cat. No. X032), 

as well as the 

“Safety Precautions” 

 on page 9.

S

LS

M

LM

None

24D

01

IP65 (Oil-resistant)

02

03U

2. Light Source

1. Operation Unit Shape and Functions

Code

30 dia.

40 dia.

3. Contacts

Code Description

SPST-NC

DPST-NC

TPST-NC *

*

TPST-NC models have
one-piece construction with
the contact unit. Only 
non-lighted models are 
available.

Note: 

Models with separate construction

(SPST-NC and DPST-NC) are for 
normal loads only. One-piece models 
(TPST-NC) are for either normal loads 
or microloads. 

Non-lighted

Lighted

Non-lighted

Lighted

Push-lock, 
turn-reset

Code

Non-lighted

LED

24 VDC

24 VDC

---

---

Functions

Type

Operation

voltage

Rated

voltage

Pushbutton

LS 24D 02

http://www.ia.omron.com/

1

(c)Copyright OMRON Corporation 2007   All Rights Reserved. 

Summary of Contents for A165E -

Page 1: ...Separate construction 30 mm model A165E 03U One piece construction 30 mm model Be sure to read the precautions for all pushbutton switches in the Pushbutton Switches Group Catalog Cat No X032 as well...

Page 2: ...utton size Terminal Contact form Model Non lighted Yellow 30 dia Solder terminal SPST NC A165E SY 01 Gray A165E SGR 01 Yellow DPST NC A165E SY 02 Gray A165E SGR 02 Yellow 40 dia SPST NC A165E MY 01 Gr...

Page 3: ...anel cutouts for future panel expansion Degree of protection IP40 Color Black Tightening Tool A16Z 3004 Useful for repetitive mounting Be careful not to tighten excessively Extractor A16Z 5080 Conveni...

Page 4: ...hanical 100 000 operations min Electrical 100 000 operations min Degree of protection IP65 Oil resistant 2 IP65 2 IP65 Oil resistant 2 Electric shock protection class Class II PTI tracking characteris...

Page 5: ...m diameter 0 7 8 0 3 Panel cutout dimensions When applying a coating such as paint to the panel dimensions after the coating must satisfy the specified dimensions Recommended panel thickness 0 5 to 3...

Page 6: ...0 dia Switch Lighted models 40 mm diameter 16 0 2 dia 0 3 0 1 dia 0 7 8 0 3 0 Panel cutout dimensions When applying a coating such as paint to the panel dimensions after the coating must satisfy the s...

Page 7: ...e panel design and mount from the front side of the panel Panel cutout dimensions are the same as those for the Switch Tightening Tool t 1 A16Z 5070 15 6 dia 45 dia 12 12 15 8 0 1 dia Rough surface 15...

Page 8: ...ile matching the protruding part of the Lamp and the small guides on the outer surface of the casing Panel Mounting nut Lock ring Rubber packing or Yellow Plate sold separately Edge Lock Cutout Panel...

Page 9: ...65E U one piece construction allows both a standard load 125 V at 1 A 250 V at 0 5 A and a microload If a standard load is applied however the microload area cannot be used If the microload area is us...

Page 10: ...eing supplied Doing so may result in electric shock Do not apply a voltage between the incandescent lamp and the terminal that is greater than the rated voltage Doing so may damage the lamp or LED and...

Page 11: ...rms test whether correct operation is possible with the actual load before application x When switching for microloads voltage or current use a Switch with microload specifications The reliability of...

Page 12: ...ding to the characteristics of the load The capacitor suppresses the spark discharge of current when the contacts are open The resistor limits the inrush current when the contacts are closed again Con...

Page 13: ...tch it may not be able to withstand the normal operating force With continuous mounting in particular select a panel of a thickness that is easily sufficient to withstand the total operating force x P...

Page 14: ...esult in metal corrosion Perform hand soldering using the appropriate soldering iron With the exception of PCB mounting Switches when performing hand soldering hold the Switch so that the terminals po...

Page 15: ...the Switch enters the bath first Storage When the Switch is left unused or stored for long periods the ambient conditions can have a great effect on the condition of the Switch In certain environment...

Page 16: ...p systems that will ensure optimal usage Related International Standards ISO 14119 Interlocking Devices Associated with Guards Principles for Design and Selection Installing Safety Products Make sure...

Page 17: ...may be suitable for the products Outdoor use uses involving potential chemical contamination or electrical interference or conditions or uses not described in this catalog Nuclear energy control syst...

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