CSM_A22@_DS_E_4_2
1
Knob-type Selector Switch (Cylindrical 22/25-dia.)
A22@
Install in 22-dia. or 25-dia. Panel Cutout
• Lever for easily mounting and removing the Switch Unit
• Finger protection mechanism on Switch Unit provided as a standard
feature.
• Use 25-dia. ring to install in 25-dia. panel cutouts.
• Mounted using either open-type (fork-type) or closed-type (round-type)
crimp terminals.
• IP65 oil resistance (non-lighted models)
IP65 (lighted models)
Model Number Structure
Model Number Legend ................... Shipped as a set which includes the Selector, Lamp (lighted models only), and Switch.
For information on combinations, refer to Ordering Information on pages 2 to 4.
Note: Orders for non-lighted (IP65 oil-resistant) and lighted
Selectors (completely assembled/subassembled) listed in
this catalog will not be accepted after March 31, 2018.
Refer to Safety Precautions for All Pushbutton Switches/
Indicators and Safety Precautions for the A22.
(1) (2) (3) (4) (5)
A 22 W - 2M G - 6A - 11
(2) Number of Notches/Reset Method
Code Number of
Notches
Reset Method
2M 2 notches Manual
2A Automatic
3M 3 notches Manual
3A Automatic
(1) Lighted/Non-lighted
Code Description
S Non-lighted
W Lighted
(3) Illumination Color
* For non-lighted models only
Code Color
RRed
GGreen
Y Yellow
ABlue
None Black*
(4) Light Source
Without Voltage Reduction Unit
With Voltage Reduction Unit
•LED incorporates the 24-VAC/VDC
models.
Code Type Operating
Voltage
None Non-lighted
6A LED 6 VAC/VDC
12A 12 VAC/VDC
24A 24 VAC/VDC
5
Incan-
descent
lamp
5 VAC/VDC
12 12 VAC/VDC
24 24 VAC/VDC
Code Type Operating
Voltage
T1 LED 100 VAC
T2 200 VAC
(5) Contacts
* For models with 2 notches
Note: The contacts are rated
for standard loads. For
microloads, refer to
Accessories section for
the A22.
Code Description
10 SPST-NO *
01 SPST-NC *
11 SPST-NO +
SPST-NC
20 SPST-NO +
SPST-NO
02 SPST-NC +
SPST-NC
A22@
2
Ordering Information
Completely Assembled .................. Shipped as a set which includes the Selector, Lamp (lighted models only), and Switch.
Non-lighted Knob-type Selector Switch (Orders will not be accepted after March 31, 2018.)
Note: The contact ratings are for standard loads.
Appearance Number of
notches
Resetting
method Output Model Color of Selector
Knob-type Selector Switch
A22S
2 notches
Manual
SPST-NO A22S-2M-10
Black
SPST-NC A22S-2M-01
SPST-NO + SPST-NC A22S-2M-11
SPST-NO + SPST-NO A22S-2M-20
SPST-NC + SPST-NC A22S-2M-02
Automatic
SPST-NO A22S-2A-10
SPST-NC A22S-2A-01
SPST-NO + SPST-NC A22S-2A-11
SPST-NO + SPST-NO A22S-2A-20
SPST-NC + SPST-NC A22S-2A-02
3 notches
Manual
SPST-NO + SPST-NC A22S-3M-11
SPST-NO + SPST-NO A22S-3M-20
SPST-NC + SPST-NC A22S-3M-02
Automatic
SPST-NO + SPST-NC A22S-3A-11
SPST-NO + SPST-NO A22S-3A-20
SPST-NC + SPST-NC A22S-3A-02
3
A22@
Ordering Information
Completely Assembled .................. Shipped as a set which includes the Selector, Lamp (lighted models only), and Switch.
Lighted Knob-type Selector Switch (Orders will not be accepted after March 31, 2018.)
Note: 1. When ordering, specify the symbol that indicates color of the Selector in the @ of the model number.
2. The contact ratings are for standard loads.
Appearance Number of
notches
Resetting
method Output Operating voltage Model
Illumination color
Knob-type Selector Switch
A22W
LED lighting
(without Voltage Reduction Unit)
2 notches
Manual
SPST-NO
6 VAC/VDC A22W-2M@-6A-10
R (red)
Y (yellow)
G (green)
A (blue)
12 VAC/VDC
A22W-2M@-12A-10
24 VAC/VDC
A22W-2M@-24A-10
SPST-NC
6 VAC/VDC A22W-2M@-6A-01
12 VAC/VDC
A22W-2M@-12A-01
24 VAC/VDC
A22W-2M@-24A-01
SPST-NO +
SPST-NC
6 VAC/VDC A22W-2M@-6A-11
12 VAC/VDC
A22W-2M@-12A-11
24 VAC/VDC
A22W-2M@-24A-11
SPST-NO +
SPST-NO
6 VAC/VDC A22W-2M@-6A-20
12 VAC/VDC
A22W-2M@-12A-20
24 VAC/VDC
A22W-2M@-24A-20
SPST-NC +
SPST-NC
6 VAC/VDC A22W-2M@-6A-02
12 VAC/VDC
A22W-2M@-12A-02
24 VAC/VDC
A22W-2M@-24A-02
Automatic
SPST-NO
6 VAC/VDC A22W-2A@-6A-10
12 VAC/VDC
A22W-2A@-12A-10
24 VAC/VDC
A22W-2A@-24A-10
SPST-NC
6 VAC/VDC A22W-2A@-6A-01
12 VAC/VDC
A22W-2A@-12A-01
24 VAC/VDC
A22W-2A@-24A-01
SPST-NO +
SPST-NC
6 VAC/VDC A22W-2A@-6A-11
12 VAC/VDC
A22W-2A@-12A-11
24 VAC/VDC
A22W-2A@-24A-11
SPST-NO +
SPST-NO
6 VAC/VDC A22W-2A@-6A-20
12 VAC/VDC
A22W-2A@-12A-20
24 VAC/VDC
A22W-2A@-24A-20
SPST-NC +
SPST-NC
6 VAC/VDC A22W-2A@-6A-02
12 VAC/VDC
A22W-2A@-12A-02
24 VAC/VDC
A22W-2A@-24A-02
3 notches
Manual
SPST-NO +
SPST-NC
6 VAC/VDC A22W-3M@-6A-11
12 VAC/VDC
A22W-3M@-12A-11
24 VAC/VDC
A22W-3M@-24A-11
SPST-NO +
SPST-NO
6 VAC/VDC A22W-3M@-6A-20
12 VAC/VDC
A22W-3M@-12A-20
24 VAC/VDC
A22W-3M@-24A-20
SPST-NC +
SPST-NC
6 VAC/VDC A22W-3M@-6A-02
12 VAC/VDC
A22W-3M@-12A-02
24 VAC/VDC
A22W-3M@-24A-02
Automatic
SPST-NO +
SPST-NC
6 VAC/VDC A22W-3A@-6A-11
12 VAC/VDC
A22W-3A@-12A-11
24 VAC/VDC
A22W-3A@-24A-11
SPST-NO +
SPST-NO
6 VAC/VDC A22W-3A@-6A-20
12 VAC/VDC
A22W-3A@-12A-20
24 VAC/VDC
A22W-3A@-24A-20
SPST-NC +
SPST-NC
6 VAC/VDC A22W-3A@-6A-02
12 VAC/VDC
A22W-3A@-12A-02
24 VAC/VDC
A22W-3A@-24A-02
Individual models: Refer to pages 6 to 7.
(The Selector, Lamp, and Switch can be ordered separately.)
■
Specifications: Refer to the A22.
■
Dimensions: Refer to page 10.
■
Accessories and tools: Refer to the A22.
A22@
4
Ordering Information
Completely Assembled .................. Shipped as a set which includes the Selector, Lamp (lighted models only), and Switch.
Lighted Knob-type Selector Switch (Orders will not be accepted after March 31, 2018.)
Note: 1. When ordering, specify the symbol that indicates color of the Selector in the @ of the model number.
2. The contact ratings are for standard loads.
Appearance Number of
notches
Reset-
ting
method
Output Operating
voltage Model
Selector
symbol
(color)
Knob-type Selector Switch
A22W
LED voltage-reduction lighting
(with Voltage Reduction Unit)
2 notches
Manual
SPST-NO 100 VAC A22W-2M@-T1-10
R (red)
Y (yellow)
G (green)
A (blue)
200 VAC A22W-2M@-T2-10
SPST-NC 100 VAC A22W-2M@-T1-01
200 VAC A22W-2M@-T2-01
SPST-NO +
SPST-NC
100 VAC A22W-2M@-T1-11
200 VAC A22W-2M@-T2-11
SPST-NO +
SPST-NO
100 VAC A22W-2M@-T1-20
200 VAC A22W-2M@-T2-20
SPST-NC +
SPST-NC
100 VAC A22W-2M@-T1-02
200 VAC A22W-2M@-T2-02
Automatic
SPST-NO 100 VAC A22W-2A@-T1-10
200 VAC A22W-2A@-T2-10
SPST-NC 100 VAC A22W-2A@-T1-01
200 VAC A22W-2A@-T2-01
SPST-NO +
SPST-NC
100 VAC A22W-2A@-T1-11
200 VAC A22W-2A@-T2-11
SPST-NO +
SPST-NO
100 VAC A22W-2A@-T1-20
200 VAC A22W-2A@-T2-20
SPST-NC +
SPST-NC
100 VAC A22W-2A@-T1-02
200 VAC A22W-2A@-T2-02
3 notches
Manual
SPST-NO +
SPST-NC
100 VAC A22W-3M@-T1-11
200 VAC A22W-3M@-T2-11
SPST-NO +
SPST-NO
100 VAC A22W-3M@-T1-20
200 VAC A22W-3M@-T2-20
SPST-NC +
SPST-NC
100 VAC A22W-3M@-T1-02
200 VAC A22W-3M@-T2-02
Automatic
SPST-NO +
SPST-NC
100 VAC A22W-3A@-T1-11
200 VAC A22W-3A@-T2-11
SPST-NO +
SPST-NO
100 VAC A22W-3A@-T1-20
200 VAC A22W-3A@-T2-20
SPST-NC +
SPST-NC
100 VAC A22W-3A@-T1-02
200 VAC A22W-3A@-T2-02
Individual models: Refer to pages 6 to 7.
(The Selector, Lamp, and Switch can be ordered separately.)
■
Specifications: Refer to the A22.
■
Dimensions: Refer to page 10.
■
Accessories and tools: Refer to the A22.
5
A22@
Ordering Information
Completely Assembled
.................... The Selector, 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.
Ordering: Specify the model from the listing starting on page 6.
Non-lighted Models
Lighted Models (without Voltage Reduction Unit)
Lighted Models (with Voltage Reduction Unit)
Selector Selector Selector
Lamp Lamp
Switch
Switch (without Voltage Reduction Unit)
Switch (with Voltage Reduction Unit)
Incandescent
lamp
LED
LED
Set models: Refer to pages 2 to 4.
■
Specifications: Refer to the A22.
■
Dimensions: Refer to page 10.
■
Accessories and tools: Refer to the A22.
A22@
6
Ordering Information
Subassembled..................................... The Selector, 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.
Selectors
Non-lighted (Color: Only Black is Available)
* Orders will not be accepted after March 31, 2018.
Lighted
(Orders will not be accepted after March 31, 2018.)
Note: Either incandescent lamps or LED lamps can be used with the above
models.
Sealing IP65 (oil-resistant)
Appearance
Standard
lever
Notches Reset method Model
2 notches
Manual A22S-2M *
Automatic
A22S-2A *
3 notches
Manual A22S-3M *
Automatic
A22S-3A *
Sealing IP65 (oil-resistant)
Appearance
Long
lever
Notches Reset method Model
2 notches
Manual A22S-C2M
Automatic
A22S-C2A
3 notches
Manual A22S-C3M
Automatic
A22S-C3A
Sealing IP65
Appearance
Standard
lever
Notches Reset
method
Selector
color Model
2 notches
Manual Red
A22W-2MR
Green
A22W-2MG
Yellow
A22W-2MY
Blue
A22W-2MA
Automatic
Red
A22W-2AR
Green
A22W-2AG
Yellow
A22W-2AY
Blue
A22W-2AA
3 notches
Manual Red
A22W-3MR
Green
A22W-3MG
Yellow
A22W-3MY
Blue
A22W-3MA
Automatic
Red
A22W-3AR
Green
A22W-3AG
Yellow
A22W-3AY
Blue
A22W-3AA
Set models: Refer to pages 2 to 4.
■
Specifications: Refer to the A22.
■
Dimensions: Refer to page 10.
■
Accessories and tools: Refer to the A22.
7
A22@
Ordering Information
Subassembled..................................... The Selector, 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.
Switches (Standard Load)
Note: For voltage-reduction lighting, use the A22-24A@. Only 24-V LED lamps can be used.
Lamps
LED Lamp
Note: For voltage-reduction lighting, use the A22-24A@. Only 24-V LED lamps can be used.
* Used when the Selector color is yellow or white.
Incandescent Lamp
Non-lighted Lighted
Appearance
Without Voltage
Reduction Unit
With Voltage Reduction
Unit
110 VAC
With Voltage Reduction
Unit
220 VAC
Contacts Model
SPST-NO A22-10M A22L-10M A22L-10M-T1 A22L-10M-T2
SPST-NC A22-01M A22L-01M A22L-01M-T1 A22L-01M-T2
SPST-NO + SPST-NC A22-11M A22L-11M A22L-11M-T1 A22L-11M-T2
SPST-NO + SPST-NO A22-20M A22L-20M A22L-20M-T1 A22L-20M-T2
SPST-NC + SPST-NC A22-02M A22L-02M A22L-02M-T1 A22L-02M-T2
Operating voltage 6 VAC/VDC 12 VAC/VDC 24 VAC/VDC
Appearance
LED light
Model
AC and
DC
Red A22-6AR
A22-12AR A22-24AR
Green A22-6AG
A22-12AG A22-24AG
Yellow*A22-6AY
A22-12AY A22-24AY
Blue A22-6AA
A22-12AA A22-24AA
Appear-
ance
Operating
voltage
5 VAC/VDC 12 VAC/VDC 24 VAC/VDC
A22-5 A22-12 A22-24
Set models: Refer to pages 2 to 4.
■
Specifications: Refer to the A22.
■
Dimensions: Refer to page 10.
■
Accessories and tools: Refer to the A22.
A22@
8
Nomenclature
Model Structure
Lock Ring
• Number of Notches
2 notches/3 notches
• Applicable Colors
Non-lighted: Black
Lighted: Red, Green Yellow, Blue
• Light Source
LED lamp
Incandescent lamp
• Contacts
SPST-NO, SPST-NC, SPST-NO + SPST-NC,
SPST-NO + SPST-NO, SPST-NC + SPST-NC
(Minimum applicable load: 10 mA at 5 VDC)
• Lighting Method
Non-lighted
Lighted (without Voltage Reduction Unit)
Lighted (with Voltage Reduction Unit)
Selector
Lamp
Switch
■ Specifications: Refer to the A22. ■ Precautions for correct use: Refer to the A22.
■ Dimensions: Refer to page 10. ■ Accessories and tools: Refer to the A22.
9
A22@
Nomenclature
Contacts
2-notch Type
3-notch Type
Operation Angle
Knob
position
SPST-
NO
SPST-
NC
SPST-NO +
SPST-NC
SPST-NO +
SPST-NO
SPST-NC +
SPST-NC
Knob
position
SPST-NO +
SPST-NC
SPST-NO +
SPST-NO
SPST-NC +
SPST-NC
(75˚)
90˚
FP
FP
45˚
(45˚)
45˚
(45˚)
Two notches Three notches
Note: 1. The angle used for automatic reset
is shown in parentheses.
2. FP: Free Position
A22@
10
Dimensions
Knob-type Selector Switch (Lighted/Non-lighted)
Terminal Arrangement (Bottom View)
Terminal Connection
Note: The above terminal connection diagrams are examples for SPST-NO +
SPST-NC.
Accessories
Refer to the relevant information in the corresponding section for the
A22.
Panel Cutouts
•When applying coating such as paint to the panel, the dimensions
should be those after the application of coating.
•Recommended panel thickness: 1 to 5 mm.
•Use an A22Z-R25 Ring when mounting to a panel with 25-mm
holes.
Safety Precautions
Refer to Safety Precautions for All Pushbutton Switches/Indicators and Safety Precautions for the A22.
Knob-type Selector Switch A22S/A22W A22S-C
1.8
5.9
0.5
34
12
26.2
30 dia.
54.7
0.5
12
1.8
5.9
30 dia.
26.2 54.7
34
Non-lighted Lighted
Type Connection diagram
Non-lighted
Lighted without
Voltage
Reduction Unit
Lighted with Voltage
Reduction Unit
16.7
Switch Blocks
M3.5 screw
20.7
22
Switch Blocks
Lamp socket
Switch Blocks 10
3
4
1
Bottom view
2
1
Bottom view
2X2
X1
X
3
4
3
4
X1
X2
Bottom view
1
2
X
22.3 dia.
+0.4
0dia.
+0.5
0
25
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.
2018.4
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 2018 All Right Reserved.
