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Emergency Stop Switch (22-dia./25-dia.)
A22E
CSM_A22E_DS_E_15_4
Install in 22-dia. or 25-dia. Panel Cutout
• Direct opening mechanism to open the circuit when the contact
welds → .
• Safety lock mechanism prevents operating errors.
• Easy mounting and removal of Switch Blocks using a lever.
• Mount three Switch Units in series to improve wiring efficiency
(with non-lighted Switch Units, three Units can be mounted for
multiple contacts).
• Finger protection mechanism on Switch Unit provided as a
standard feature.
• Install using either round, or forked 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.
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 page 17.
Model Number Structure
Model Number Legend (Completely Assembled)........ Shipped as a set which includes the Operation Unit, Lamp
(lighted models only), and Switch.
L
3. Light Source
Without Voltage Reduction Unit
1. Lighted/Non-lighted
Code
Description
Code
None Non-lighted
L
24A
M
Lighted *
* Lighted Emergency Stop
Switches are available only
for the medium (M).
push-lock turn-reset models.
Description Operating Voltage
None
Non-lighted
6A
LED
---
01
5. Configuration
4. Contacts
Code
Description
12 VAC/VDC
24A
24 VAC/VDC
Configuration
1NC
None Switch only
11
1NO + 1NC
B
02
2NC (1NC + 1NC)
12
1NO + 2NC (1NC + 1NC)
03
3NC (1NC + 1NC + 1NC)
6 VAC/VDC
12A
Code
01
Switch with Integrated
Control Box
With Voltage Reduction Unit
2. Head Size
Code
Size
MP
Medium
40 dia.
Small
30 dia.
Medium
40 dia.
Large
60 dia.
S
M
L
Description
Push-pull
Code
Description Operating Voltage
T1
LED
T2
100 VAC
200 VAC
Equipped with 24-VAC/DC LED.
Push-lock turn-reset
1
A22E
Ordering Information
List of Models (Completely Assembled)
Non-lighted Models (Without EMO/EMS Indication)
Operating
Appearance
Contact Configuration
40-dia. head
Medium Push-pull
A22E-MP
30-dia. head
Small Push-lock
Turn-reset
A22E-S
40-dia. head
Medium Push-lock Turn-reset
A22E-M
60-dia. head
Large Push-lock Turn-reset
A22E-L
Set Model
1NC
A22E-MP-01
1NO + 1NC
A22E-MP-11
2NC (1NC + 1NC)
A22E-MP-02
1NC
A22E-S-01 *
1NO + 1NC
A22E-S-11 *
2NC (1NC + 1NC)
A22E-S-02 *
1NO + 2NC (1NC + 1NC)
A22E-S12 *
3NC (1NC + 1NC + 1NC)
A22E-S-03 *
1NC
A22E-M-01 *
1NO + 1NC
A22E-M-11 *
2NC (1NC + 1NC)
A22E-M-02 *
1NO + 2NC (1NC + 1NC)
A22E-M-12 *
3NC (1NC + 1NC + 1NC)
A22E-M-03 *
1NC
A22E-L-01 *
1NO + 1NC
A22E-L-11 *
2NC (1NC + 1NC)
A22E-L-02 *
Color of cap
Red
* Models with Korean S-mark certification.
Note: 1. Yellow cap models are also available (not for emergency stop use). Contact your OMRON representative.
2. The Operation Unit of A22E exept models with EMO/EMS indication is red. (The engraved mark is not white.)
Non-lighted Models (With EMO/EMS Indication)
Operating
Appearance
40-dia. head
Medium Push-lock Turn-reset
With EMO Indication
40-dia. head
Medium Push-lock Turn-reset
With EMS Indication
Contact Configuration
Set Model
1NC
A22E-M-01-EMO *
1NO + 1NC
A22E-M-11-EMO *
2NC (1NC + 1NC)
A22E-M-02-EMO *
1NO + 2NC (1NC + 1NC)
A22E-M-12-EMO *
3NC (1NC + 1NC + 1NC)
A22E-M-03-EMO *
1NC
A22E-M-01-EMS *
1NO + 1NC
A22E-M-11-EMS *
2NC (1NC + 1NC)
A22E-M-02-EMS *
1NO + 2NC (1NC + 1NC)
A22E-M-12-EMS *
3NC (1NC + 1NC + 1NC)
A22E-M-03-EMS *
Color of cap
Red
* Models with Korean S-mark certification.
Note: The colors of switch blocks are the followings:
1NO: black
1NC: red
The above illustration shows the 2NC (1NC + 1NC) classification.
2
A22E
Lighted Models
Operating
Appearance
Contact configuration
40-dia. head
Push-lock
Turn-reset without Voltage
Reduction Unit
A22E
Lighting
1NC
1NO + 1NC
2NC (1NC + 1NC)
40-dia. head
Push-lock
Turn-reset with Voltage
Reduction
Unit
A22E
LED
Push-lock turn-reset system
Rated voltage
Set Model
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
Color of cap
Red
1NC
1NO + 1NC
2NC (1NC + 1NC)
* Models with Korean S-mark certification.
Note: The Operation Unit of A22E exept models with EMO/EMS indication is red. (The engraved mark is not white.)
Switch with Integrated Control Box
Appearance
Contact configuration
Model
1NC
A22E-M-01B *
1NO + 1NC
A22E-M-11B *
2NC (1NC + 1NC)
A22E-M-02B *
* Models with Korean S-mark certification.
3
A22E
Subassembled ...........The Operation Unit, Lamp, or Switch 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.
Non-lighted
Lighted (without Voltage Reduction Unit)
Operation Unit *1
Operation Unit *1
Operation Unit *1
Lamp
Lamp
Incandescent
Switch *2
Lighted (with Voltage Reduction Unit)
LED
Switch (without Voltage Reduction Unit)
LED
Switch (with Voltage Reduction Unit)
*1.The Operation Unit of A22E exept models with EMO/EMS indication is red. (The engraved mark is not white.)
*2. Up to three Switch Units can be mounted for multiple contacts.
4
A22E
Operation Units
Non-lighted
Sealing capability
Function
IP65 oil-resistant models
Size
Small (30 dia.)
Medium (40 dia.)
Large (60 dia.)
A22E-MP
Push-pull
---
---
A22E-M
A22E-S
A22E-M-EMO
A22E-L
Push-lock, turn-reset
A22E-M-EMS
Lighted
Sealing capability
Function
Size
IP65
Medium (40 dia.)
A22EL-M
Push-lock, turn-reset
Note: The Operation Unit of A22E exept models with EMO/EMS indication is red. (The engraved mark is not white.)
5
A22E
Lamp
LED
Appearance
LED light
Rated voltage
6 VAC/VDC
Red
Model
A22-6AR
Standard 12 VAC/VDC
A22-12AR
24 VAC/VDC
A22-24AR
Note: For voltage-reduction lighting, use the A22-24AR.
Incandescent
Appearance
Rated voltage
Model
6 VDC
A22-5
14 VAC
A22-12
28 VAC
A22-24
130 VAC
A22-H1
Switch (Standard Load)
Without Voltage Reduction Unit
Classification
Non-lighted
Lighted
Appearance
Switch Action
Contacts
For standard loads
Momentary
Momentary
Model
Model
1NC
A22-01M
1NO + 1NC
A22-11M
A22L-01M
A22L-11M
2NC (1NC + 1NC)
A22-02M
A22L-02M
With Voltage Reduction Unit
Classification
Lighted (110 VAC)
Lighted (220 VAC)
Momentary
Momentary
Appearance
Switch Action
Contacts
Model
1NC
For standard loads
A22L-01M-T1
Model
A22L-01M-T2
1NO + 1NC
A22L-11M-T1
A22L-11M-T2
2NC (1NC + 1NC)
A22L-02M-T1
A22L-02M-T2
Note: When using with a Voltage Reduction Unit, use the A22-24AR.
6
A22E
Accessories (Order Separately)
Item
Appearance
1NO
Classification
Model
Standard load A22-10
Microload
A22-10S
Standard load A22-01
1NC
Microload
Switch Blocks
A22-01S
2NO (1NO + 1NO), Standard load A22-20
one-piece
Microload
A22-20S
2NC (1NC + 1NC),
one-piece
Standard load A22-02
Microload
Direct lighting
Lamp Sockets
Mounting Latches
Voltagereduction
lighting
A22-02S
Order Switch Blocks only when adding
or replacing them.
An A22Z-3003 Three-throw Spacer is
required to mount three Non-lighted
Switch Units.
A22-TN
100 VAC
A22-T1
200 VAC
A22-T2
---
A22-3200
60-dia. black letters on yellow
A22Z-3466-1
back-ground
Legend Plates for
Emergency Stop
Remarks
Provided as standard.
Order Switch Blocks only when adding
or replacing them.
An A22Z-3003 Three-throw Spacer is
required to mount three Non-lighted
Switch Units.
90-dia. black letters on yellow
A22Z-3476-1
back-ground
Used when changing the lighting
method.
Provided as standard.
Order Mounting Latches only when
mounting Switch Blocks or Lamp
Sockets that are purchased individually.
“EMERGENCY STOP” is indicated on
the plate. *2
60-dia. black letters on yellow
A22Z-3466-2
back-ground
“EMERGENCY OFF” is indicated on the
plate.
Hole Plug
Round
Can be plugged into pre-cut panel holes
for future expansion. The color is black.
Connectors
Applicable
cable diameter
A22Z-3530
7 to 9 dia.
A22Z-3500-1
9 to 11 dia.
A22Z-3500-2
Plastic connector used to extend a cable
from the Switch Box.
25-dia. Ring
---
A22Z-R25
Can be fit into a 25-dia. hole in the panel.
Since this is not attached to the main body,
order separately. (Refer to page 15.)
30-dia. Resin Attachment
---
A22Z-A30
Can be fit into a 30-dia. hole in the panel.
(Refer to page 15.)
Lock Plate
---
A22Z-3380
Use to fix the lever on the Switch.
Control Boxes
(Enclosures)
One hole, yellow box
A22Z-B101Y
Material: Polycarbonate resin *2
A22Z-B201Y
Lock Ring
Rounded shape
A22Z-3360
The body is equipped with a Lock
Fitting. This Lock Fitting is used when a
more secure lock feature is required.
Lamp Extractor
---
A22Z-3901
Rubber tool used to replace Lamps
easily
Tightening Tool
---
A22Z-3905
Tool used to tighten rings from the back of
the panel and to attach caps to lighted
models.
A22Z-EG1
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
E-stop Shroud for EMO,
Yellow
---
7
A22E
Item
Appearance
Classification
Model
Legend plate for
EMERGENCY OFF is not
included.
E-stop Shroud for EMO,
Yellow
Remarks
A22Z-EG10
Provides SEMI-S2/SEMATECH
APPLICATION GUIDE FOR SEMI S2
compatibility. Use with an A22E with
EMO indication. (for emergency off) *2
E-stop Shroud for EMS,
White
---
A22Z-EG1-W
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
E-stop Shroud for EMS,
White
Legend plate for
EMERGENCY STOP is not
included.
A22Z-EG10-W
Provides SEMI-S2/SEMATECH
APPLICATION GUIDE FOR SEMI S2
compatibility. Use with an A22E with EMS
indication. (for emergency stop) *2
Spacer Unit is not included.
A22Z-EG2
One Spacer Unit is included.
A22Z-EG21
E-stop Shroud, Yellow
Two Spacer Units are included. A22Z-EG22
E-stop Shroud for EMO,
Yellow
---
A22Z-EG3
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
*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 A22-B101Y cannot be used in combination with the A22Z-3476-1 and the A22Z-EG@.
Note: 1. Accessories for A22Z-EG1: one “EMERGENCY OFF” label, two rubber washers, and one lock ring
2. Accessories for A22Z-EG10: one rubber washer and one lock ring (without label)
Specifications
Certified Standard Ratings
Certified Standards
• UL, cUL (File No.E41515)
6A 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
Certification
body
UL *1
Standards
File No.
Consult your OMRON
representative for details.
CQC (CCC)
UL508, C22.2 No.14
EN60947-5-1,
EN60947-5-5
(certified direct opening)
GB14048.5
KOSHA *2
EN60947-5-1
TÜV SÜD
E41515
2003010303070635
Consult your OMRON
representative for details.
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 the Switch Unit and the Lamp Socket.
*2. Some models have been certified.
Ratings
Contacts (Standard Load)
Rated
carry
current
(A)
10
Rated
voltage
(V)
AC15
(inductive
load)
10
5
3
2
1
24 VAC
110 VAC
220 VAC
380 VAC
440 VAC
24 VDC
110 VDC
--220 VDC
380 VDC
Rated current (A)
AC12
DC13
(resistive (inductive
load)
load)
10
10
6
--3
2
1.5
0.5
--0.2
0.1
DC12
(resistive
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
---
LED Indicators without Voltage Reduction Unit
Rated voltage
10
2
0.6
0.2
Rated current
6 VAC/VDC
12 VAC/VDC
24 VAC/VDC
Operating voltage
6 VAC/VDC±5%
8 mA
12 VAC/VDC±5%
24 VAC/VDC±5%
8
A22E
Characteristics
Type
Emergency Stop Switches
Item
Allowable operating
frequency
Non-lighted model: A22E
Mechanical
30 operations/minute *3
Electrical
30 operations/minute *3
Insulation resistance
Dielectric strength
100 MΩ min. (at 500 VDC)
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
Vibration resistance *2
Shock resistance
Durability
Lighted model: A22EL
10 to 55 Hz, 1.5-mm double amplitude (within 1 ms)
Destruction
1,000 m/s2
Malfunction *2
250 m/s2 max.
Mechanical
300,000 operations min. *3
Electrical
300,000 operations min. *3
Ambient operating temperature *1
−20 to 70°C
Ambient operating humidity
35% to 85%
Ambient storage temperature
−40 to 70°C
Degree of protection
IP65 (oil-resistant) *4
Electric shock protection class
Class II
PTI (tracking characteristic)
175
Degree of contamination
3 (EN60947-5-1)
−20 to 55°C
IP65 *4
*1. With no icing or condensation.
*2. Malfunction within 1 ms.
*3. Setting and resetting once is counted as one operation.
*4. The degree of protection from the front of the panel.
Structure and Nomenclature
Operation Unit
Color: Red
Non-lighted
Lighted
Note: The Operation Unit of A22E exept models with EMO/EMS indication is red. (The engraved mark is not white.)
Lamp
Light source
• LED Lamp
• Incandescent Lamp
⎫
⎪
⎪
⎪
⎪
⎬
⎪
⎪
⎪
⎪
⎭
Switch
Contact Ratings
10 A at 110 VAC (resistive load)
10 A at 24 VDC (resistive load)
Lighting Method
Non-lighted
Lighted (without Voltage Reduction Unit)
Lighted (with Voltage Reduction Unit)
(The above figures are examples
of the lighted model.)
Lock Plate (Attached with the Operation Unit)
(Refer to the Mounting the Lock Plate on page 17 for use.)
9
A22E
Dimensions
(Unit: mm)
Non-lighted Models
A22E-MP
A22E-S
Medium Push-pull (40-dia.)
Small Push-lock, Turn-reset (30-dia.)
30 dia.
34
34
40 dia.
1.8
1.8
0.5
0.5
5.9
5.9
54.7
32
A22E-M
A22E-L
2
2
1.5
Medium Push-lock, Turn-reset (40-dia.)
54.7
32
Large Push-lock, Turn-reset (60-dia.)
34
40 dia.
34
60 dia.
6.5
1.8
18.5
1.8
0.5
5.9
0.5
41.2
32
5.9
54.7
54.7
32
Note: The dimensions are the same as for EMO/EMS indication
models.
Lighted Models
Switch dimensions when mounted to a DPST-NO
(or 2NC (1NC + 1NC)) one-piece Switch Block
A22EL-M
2
Medium Push-lock, Turn-reset (40-dia.)
1.5
2
24 44
34
40 dia.
57.8
72.7
6.5
1.8
18.5
0.5
32
Note: The operation unit is an example for the A22E-M.
5.9
41.2
54.7
Note: The Operation Unit of A22E exept models with EMO/EMS indication is red. (The engraved mark is not white.)
10
A22E
Dimensions for Accessories
Hole Plug
Round A22Z-3530
30-dia. Resin Attachment
A22Z-A30
6
6.1
3.8
20.5
34.7 dia.
2.8
30 dia.
1
13
22.2 dia.
2.5
55
12.5
19.2 dia.
8 dia.
11 dia. 8.5 dia.
30 dia.
20
4.5
90
Material: Chloroprene rubber
Legend Plates for Emergency Stop
A22Z-3476-1 (90 dia.)
2
A22Z-3466-2 (60 dia.)
A22Z-3466-1 (60 dia.)
90 dia.
25 dia.
Tightening Tool
A22Z-3905
17.5
21.2 dia.
Lamp Extractor
A22Z-3901
60 dia.
60 dia.
Black letters
Black letter
Black letters
Yellow
Yellow
Yellow
22.2 dia.
22.2 dia.
t1
22.2 dia.
t1
t1
Lock Ring
A22Z-3360
25-dia. Ring
A22Z-R25
2
1
20.5
30 dia.
22 dia.
24.8 dia.
27 dia.
22.2 dia.
0.5
1.3
Material: NBR (black)
2.8
Material: Nickel plated on iron
Lamp
LED A22-6@, 12@, 24@
Incandescent Lamp A22-5, 12, 24, H1
20 ±1.5
10 ±1 dia.
9.5 dia.
10.6 dia.
28 max.
Model indication
BA9S/13
BA9S/13
Control Box
A22Z-B101Y (1 hole)
Cable Draw-out Hole (Top View)
4-4 × 38 tapping screw
0.3
22.1±0.1 dia.
56
68
36
2-R3
41
2.8±0.1
Mounting Hole
Two, 21 dia.
Side lead draw-out hole
4.3
6.3
10
(10 × 36) 0.6 depression
20.5±0.1
20
41
75
16±1 dia.
(Side lead draw-out hole)
32
39
Two, mounting holes
69.5
11
A22E
E-stop Shroud
A22Z-EG1, A22Z-EG1-W,A22Z-EG10,A22Z-EG10-W
52.2 max.
38
75
63
75 min.
(Determined by the
height of the Switch
surface in the
lock position.)
2.8
90 dia. 78 dia.
20.5
Panel Cutout Dimensions
5R
22.3+0.4
0
24.2±0.2
30 40
1.7R +0.1
0
22.2 dia.
33 dia.
Allowable panel thickness: 1 to 3 mm
A22E-M
Switch Unit
Panel
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.
2.5 +0.5
−1.5
EMERGENCY OFF
inscription plate (t=1)
8
Rubber packing (t=0.5)
Sunken
section, 0.2
“EMERGENCY STOP” is indicated
on A22Z-EG1-W.
Legend plate is not provided with
A22Z-EG10 and A22Z-EG10-W.
Switch guard
Rubber packing (t=0.5)
Mounting panel
2 1
Locking ring
E-stop Shroud
A22Z-EG2, A22Z-EG21, A22Z-EG22
105 dia.
98 dia.
3
35
12
79 dia.
2.8
20.6
M90
Detents
inside
(One on
each side)
22.2 dia.
2R
The number of spacers depends
on the model
A22Z-EG2 : No Spacer
A22Z-EG21 : 1 Spacer
A22Z-EG22 : 2 Spacers
Mounting with Spacers
With 1 Spacer
Spacer
Mounting a 1-pole Switch Unit *
With 2 Spacers
Mounting a 2-pole Switch Unit *
Spacers
2NC (1NC + 1NC)
One-piece
Contact Unit
Panel Cutout Dimensions
+0.4
0
90.3
dia.
NC Contact Unit
Position of
detent
notch
Position of
detent
notch
+0.2
0
5.5
10
13
Panel
20
23
+0.2
0
95
Panel
Panel
Panel
88 max.
105 max.
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
* These are the dimension from the front of the panel when
the Switch Unit is attached.
12
A22E
E-stop Shroud
A22Z-EG3
52.2 max.
78 min.
(Determined by the height of the
Switch surface in the lock position.)
90 dia.
C
71.2 max.
38
38
2.8
di
a.
20.5
33
22.2 dia.
1-Pole Swich Unit
2-Pole Swich Unit
Panel
C
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.
+0.5
Switch Mounting Dimension 2.5 -1.5
C-C
Panel
+0.5
Swith Mounting Dimension 2.5 -1.5
C-C
Legend Plate
(Provided with the Switch Guard)
Rubber Packing
(t=0.5, Rubber Packing)
Panel Cutout Dimensions
22.3 dia.+0.4
0
Set model number
A22Z-EG3
Portion A:
Indented part
E-Stop Shroud
24.2±0.2
1.7R +0.1
0
Rubber Packing
(t=0.5, Rubber Packing)
Allowable panel thickness: 1 to 3 mm
Panel
Portion B
Locking Ring
(Rubber Packing)
Mounting Nut
(Provided with the Operation Unit)
13
A22E
Panel Cutouts
3.2+0.2
0
0.8R max.
24.1+0.4
0
22.3+0.4
0 dia.
25+0.5
0 dia.
22.3+0.4
0 dia.
With Lock Fitting
Without Lock Fitting
A Lock Ring is provided as a standard feature.
• When painting or coating the panel, make sure that the specified
panel dimensions apply to the panel after painting or coating.
• Use an A22Z-R25 Ring when mounting to a panel with a
25-mm diameter hole.
Terminal Arrangement (Bottom View)
Non-lighted (two contacts)
Non-lilghted (three contacts)
Lighted
10
20.7
10
LOC
OPE
N
16.7
Switch
Blocks
16.7
22
M3.5 screws
Switch Blocks
Switch Blocks
Lamp Socket
Terminal Connection
Terminal connection (BOTTOM VIEW)
Type
1NO + 1NC
2NC (1NC + 1NC)
1NO + 2NC (1NC + 1NC)
3NC (1NC + 1NC + 1NC)
1
3
1
1
1
1
3
1
1
1
2
4
2
2
2
2
4
2
2
2
Non-lighted
X1
1
Lighted without Voltage
Reduction Unit
X1
1
3
X
1
X
4
X2
2
X1
Lighted with Voltage
Reduction Unit
X2
2
3
1
X2
2
X1
X
2
1
1
X
4
2
X2
2
Note: The above terminal connection diagrams are examples for 1NO + 1NC and 2NC (1NC + 1NC).
14
A22E
Installation
Mounting to the Panel
(1) Preparing the Panel
(2) Mounting the Operation Unit on the Panel
• The panel dimensions are shown below.
• The panel thickness must be 1 to 5 mm.
• 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.
0.8R max.
+0.2
0
3.2
+0.4
0
24.1
Hold here
+0.4
22.3 0 dia.
With Lock Ring
+0.4
0
22.3
Rubber washer
Mounting Ring
+0.5
25 0 dia.
dia.
Without Lock Ring
Panel
Projecting
part
• Always use a 25-mm-dia. 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.
(3) Mounting the Switch on the Operation Unit
• 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.
Lever
Arrow mark
Operation
Unit
Lock Ring
Panel
1. When the panel cutout dimension is 2. When the panel cutout
25 dia., remove the supplied rubber
dimension is 30 dia., use resin
washer and mount the 25-dia. Ring
attachment A22Z-A30. Since it
as shown below. (Since the A22Zis not attached to the main
R25 is not attached to the main body,
body, order separately.
order separately.) When using a
Legend Plate (sold separately), do
not remove the rubber washer.
Operation Unit
Rubber washer
(mounted to
Operation Unit)
When not using a
Legend Plate,
remove the rubber
washer.
(4) Removing the Switch
• 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.
Lock Ring
22 dia.
(If required)
Legend Plates for
Emergency Stop
(sold separately)
25-dia. Ring
(A22Z-R25)
22.3 dia.
0.5
1.3
25 dia.
Screwdriver
Operation Unit
Rubber washer
(mounted to
Operation Unit)
30-dia.
Resin Attachment
(A22Z-A30)
Rubber washer
(included)
Mounting
panel
Lock Ring
Mounting
Ring
25 dia.
Panel
22.3 dia.
Lock Ring
Mounting Ring
15
A22E
Assembling the Cap
Emergency Stop Switch
• Insert the protrusion of the Tightening Wrench (A22Z-3905) into the Cap slot and then turn to remove the Cap.
Cap slot Protrusion
Installing/Replacing the Lamp
(1) Installing/Replacing from the Panel Surface
• Insert the Lamp Extractor (A22Z-3901) into the lamp, then rotate the Extractor
while pressing it.
(2) Installing/Replacing on the Switch
• Grip the indicator with your fingers, then rotate the indicator while pressing it
against the Switch.
Control Box (Enclosure)
(1) Mounting the Switch
(2) Creating a Cable Port Hole
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.
(3) Securing the Connector Cable
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.
Rubber washer
Mounting
RIng
Connector
Snap-in Legend Plate
Tightening cap
Cable
Inside
Box
Outside
Cable diameter
Connector
7 to 9 dia.
A22Z-3500-1
9 to 11 dia.
A22Z-3500-2
16
A22E
Installing/Removing the Switch Blocks
(1) Installing the Switch Blocks
(2) Removing the Switch Blocks
Wiring
• 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.
• 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.
• 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.
Lever
Washer
Mounting
Latch
Screwdriver
Screw
Protrusion
Screwdriver
Switch block
Use either of the following screwdrivers.
Flat-head screwdriver
Phillips screwdriver
3 to 6 mm
3 to 6 mm dia.
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
CAUTION
Precautions
for Safe Use
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
Do not apply a voltage exceeding the rated voltage across
the incandescent lamp terminals.
The lamp may be destroyed and the operation unit may fly
out.
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 right.)
Precautions for Correct 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 tp 0.78 N·m.
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.
Lever
Lock Plate
2
1
Operation
Unit
Mounting Latch
17
A22E
Using the Microload
• 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 mm2 max.
Solid wire: 1.6 mm dia. max.
Naked Crimp Terminals
8 mm max.
16.0 mm max.
Crimp Terminals with
Insulating Sheaths
16.0 mm max.
8 mm max.
20.2 mm max.
8 mm dia. max.
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 60) (conforming to JIS C5003).
The equation, λ 60 = 0.5 x 10−6/time indicates that the estimated
malfunction rate is less than 1/2,000,000 with a reliability level of 60%.
Voltage (V)
Wiring
8 mm dia. max.
0.16 mA
100 mA
1.6 mA
30
24
20.2 mm max.
Microload area
• After wiring the Switch, maintain an appropriate clearance and
creepage distance.
12
Invalid
area
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.
LEDs
• 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.
Area of
use
Standard
load area
5
0
0.1
1 mA
10 mA
1
10
100
1,000
Current (mA)
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.
Do not allow the
Switch to drop and hit
the floor.
(Circuit example)
In case of using 24 VAC/VDC, Direct lighting
X1
LED
lamp
R:10kΩ (1W)
Bleeder resistor
Do not place or drop
heavy objects on the
Switch.
X2
Do not operate the
Switch with hard or
sharp objects.
Hammer
Screwdriver
18
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.
2016.3
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2016 All Right Reserved.
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