A22S - Push Button Switches OMRON - Free user manual and instructions
Find the device manual for free A22S OMRON in PDF.
User questions about A22S OMRON
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
Download the instructions for your Push Button Switches in PDF format for free! Find your manual A22S - OMRON and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. A22S by OMRON.
USER MANUAL A22S OMRON
Knob-type Selector Switch
A22S/W
Install in 22-dia. or 25-dia. Panel Cutout
- Easy mounting and removal of Switch Unit.
- Increase wiring efficiency with three-row mounting of Switch Blocks.
- 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)
EN60947-5-1 - UL and cUL approved (File No. E41515).


C∈R,
Model Number Structure
■ Model Number Legend
Completely Assembled
Shipped as a set which includes the Selector, Lamp (lighted models only), and Switch.

4 Light Source
| Without Voltage Reduction Unit | ||
| Code | Operating Voltage | |
| None | Non-lighted | |
| 6D | LED | 6 VDC |
| 6A | 6 VAC | |
| 12A | 12 VAC/VDC | |
| 24A | 24 VAC/VDC | |
| 5 | Incandescent lamp | 5 VAC/VDC |
| 12 | 12 VAC/VDC | |
| 24 | 24 VAC/VDC | |
| With Voltage Reduction Unit | ||
| None | Non-lighted | |
| T1 | LED | 110 VAC (See note 2.) |
| T2 | 220 VAC (See note 3.) | |
Note: 1. The LED lamp (24 VAC/VDC) can be lit by directly applying 110 VAC/VDC (220 VAC/VDC) to the lamp terminal. LED incorporates the 24-VAC/VDC models.
2. Operational voltage: 95 to 115 VAC
3. Operational voltage: 190 to 230 VAC
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.
1. Selector

2. Lamp

3. Switch (General-purpose Load)

■ List of Models
Ordering as a Set
Non-lighted
| 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 | ||||
| DPST-NO | A22S-2M-20 | ||||
| DPST-NC | A22S-2M-02 | ||||
| Automatic | SPST-NO | A22S-2A-10 | |||
| SPST-NC | A22S-2A-01 | ||||
| SPST-NO + SPST-NC | A22S-2A-11 | ||||
| DPST-NO | A22S-2A-20 | ||||
| DPST-NC | A22S-2A-02 | ||||
| 3 notches | Manual | SPST-NO + SPST-NC | A22S-3M-11 | ||
| DPST-NO | A22S-3M-20 | ||||
| DPST-NC | A22S-3M-02 | ||||
| Automatic | SPST-NO + SPST-NC | A22S-3A-11 | |||
| DPST-NO | A22S-3A-20 | ||||
| DPST-NC | A22S-3A-02 |
Lighted (Without Voltage Reduction Unit)
| Appearance | Number of notches | Resetting method | Output | Operating voltage | Model | Illumination color |
| Knob-type Selector Switch LED lighting (without Voltage Reduction Unit)A22W | 2 notches | Manual | SPST-NO | 6 VDC | A22W-2M□-6D-10 | Insert one of the following letters into the box □. R (red) Y (yellow) G (green) A (blue) |
| 6 VAC | A22W-2M□-6A-10 | |||||
| 12 VAC/VDC | A22W-2M□-12A-10 | |||||
| 24 VAC/VDC | A22W-2M□-24A-10 | |||||
| SPST-NC | 6 VDC | A22W-2M□-6D-01 | ||||
| 6 VAC | A22W-2M□-6A-01 | |||||
| 12 VAC/VDC | A22W-2M□-12A-01 | |||||
| 24 VAC/VDC | A22W-2M□-24A-01 | |||||
| SPST-NO + SPST-NC | 6 VDC | A22W-2M□-6D-11 | ||||
| 6 VAC | A22W-2M□-6A-11 | |||||
| 12 VAC/VDC | A22W-2M□-12A-11 | |||||
| 24 VAC/VDC | A22W-2M□-24A-11 | |||||
| DPST-NO | 6 VDC | A22W-2M□-6D-20 | ||||
| 6 VAC | A22W-2M□-6A-20 | |||||
| 12 VAC/VDC | A22W-2M□-12A-20 | |||||
| 24 VAC/VDC | A22W-2M□-24A-20 | |||||
| DPST-NC | 6 VDC | A22W-2M□-6D-02 | ||||
| 6 VAC | A22W-2M□-6A-02 | |||||
| 12 VAC/VDC | A22W-2M□-12A-02 | |||||
| 24 VAC/VDC | A22W-2M□-24A-02 | |||||
| Automatic | SPST-NO | 6 VDC | A22W-2A□-6D-10 | |||
| 6 VAC | A22W-2A□-6A-10 | |||||
| 12 VAC/VDC | A22W-2A□-12A-10 | |||||
| 24 VAC/VDC | A22W-2A□-24A-10 | |||||
| SPST-NC | 6 VDC | A22W-2A□-6D-01 | ||||
| 6 VAC | A22W-2A□-6A-01 | |||||
| 12 VAC/VDC | A22W-2A□-12A-01 | |||||
| 24 VAC/VDC | A22W-2A□-24A-01 | |||||
| SPST-NO + SPST-NC | 6 VDC | A22W-2A□-6D-11 | ||||
| 6 VAC | A22W-2A□-6A-11 | |||||
| 12 VAC/VDC | A22W-2A□-12A-11 | |||||
| 24 VAC/VDC | A22W-2A□-24A-11 | |||||
| DPST-NO | 6 VDC | A22W-2A□-6D-20 | ||||
| 6 VAC | A22W-2A□-6A-20 | |||||
| 12 VAC/VDC | A22W-2A□-12A-20 | |||||
| 24 VAC/VDC | A22W-2A□-24A-20 | |||||
| DPST-NC | 6 VDC | A22W-2A□-6D-02 | ||||
| 6 VAC | 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 VDC | A22W-3M□-6D-11 | ||
| 6 VAC | A22W-3M□-6A-11 | |||||
| 12 VAC/VDC | A22W-3M□-12A-11 | |||||
| 24 VAC/VDC | A22W-3M□-24A-11 | |||||
| DPST-NO | 6 VDC | A22W-3M□-6D-20 | ||||
| 6 VAC | A22W-3M□-6A-20 | |||||
| 12 VAC/VDC | A22W-3M□-12A-20 | |||||
| 24 VAC/VDC | A22W-3M□-24A-20 | |||||
| DPST-NC | 6 VDC | A22W-3M□-6D-02 | ||||
| 6 VAC | A22W-3M□-6A-02 | |||||
| 12 VAC/VDC | A22W-3M□-12A-02 | |||||
| 24 VAC/VDC | A22W-3M□-24A-02 | |||||
| Knob-type Selector Switch LED lighting (without Voltage Reduction Unit) | 3 notches | Automatic | SPST-NO + SPST-NC | 6 VDC | A22W-3A□-6D-11 | Insert one of the following letters into the box □. R (red) Y (yellow) G (green) A (blue) |
| 6 VAC | A22W-3A□-6A-11 | |||||
| 12 VAC/VDC | A22W-3A□-12A-11 | |||||
| 24 VAC/VDC | A22W-3A□-24A-11 | |||||
| DPST-NO | 6 VDC | A22W-3A□-6D-20 | ||||
| 6 VAC | A22W-3A□-6A-20 | |||||
| 12 VAC/VDC | A22W-3A□-12A-20 | |||||
| 24 VAC/VDC | A22W-3A□-24A-20 | |||||
| DPST-NC | 6 VDC | A22W-3A□-6D-02 | ||||
| 6 VAC | A22W-3A□-6A-02 | |||||
| 12 VAC/VDC | A22W-3A□-12A-02 | |||||
| 24 VAC/VDC | A22W-3A□-24A-02 |
Lighted (With Voltage Reduction Unit)
| Appearance | Number of notches | Resetting method | Output | Operating voltage | Model | Selector symbol (color) |
| Knob-type Selector Switch LED voltage-reduction lighting (with Voltage Reduction Unit)A22W | 2 notches | Manual | SPST-NO | 110 VAC | A22W-2M□-T1-10 | Insert one of the following letters into the box □. R (red)Y (yellow)G (green)A (blue) |
| 220 VAC | A22W-2M□-T2-10 | |||||
| SPST-NC | 110 VAC | A22W-2M□-T1-01 | ||||
| 220 VAC | A22W-2M□-T2-01 | |||||
| SPST-NO + SPST-NC | 110 VAC | A22W-2M□-T1-11 | ||||
| 220 VAC | A22W-2M□-T2-11 | |||||
| DPST-NO | 110 VAC | A22W-2M□-T1-20 | ||||
| 220 VAC | A22W-2M□-T2-20 | |||||
| DPST-NC | 110 VAC | A22W-2M□-T1-02 | ||||
| 220 VAC | A22W-2M□-T2-02 | |||||
| Automatic | SPST-NO | 110 VAC | A22W-2A□-T1-10 | |||
| 220 VAC | A22W-2A□-T2-10 | |||||
| SPST-NC | 110 VAC | A22W-2A□-T1-01 | ||||
| 220 VAC | A22W-2A□-T2-01 | |||||
| SPST-NO + SPST-NC | 110 VAC | A22W-2A□-T1-11 | ||||
| 220 VAC | A22W-2A□-T2-11 | |||||
| DPST-NO | 110 VAC | A22W-2A□-T1-20 | ||||
| 220 VAC | A22W-2A□-T2-20 | |||||
| DPST-NC | 110 VAC | A22W-2A□-T1-02 | ||||
| 220 VAC | A22W-2A□-T2-02 | |||||
| 3 notches | Manual | SPST-NO + SPST-NC | 110 VAC | A22W-3M□-T1-11 | ||
| 220 VAC | A22W-3M□-T2-11 | |||||
| DPST-NO | 110 VAC | A22W-3M□-T1-20 | ||||
| 220 VAC | A22W-3M□-T2-20 | |||||
| DPST-NC | 110 VAC | A22W-3M□-T1-02 | ||||
| 220 VAC | A22W-3M□-T2-02 | |||||
| Automatic | SPST-NO + SPST-NC | 110 VAC | A22W-3A□-T1-11 | |||
| 220 VAC | A22W-3A□-T2-11 | |||||
| DPST-NO | 110 VAC | A22W-3A□-T1-20 | ||||
| 220 VAC | A22W-3A□-T2-20 | |||||
| DPST-NC | 110 VAC | A22W-3A□-T1-02 | ||||
| 220 VAC | A22W-3A□-T2-02 |
Note: When ordering, specify the symbol that indicates color of the Selector in the of the model number.
Ordering Individually

Selectors
Non-lighted (Color: Only Black is Available)
| Notches | Reset method | Standard lever IP65 (oil-resistant) |
| 2 notches | Manual | A22S-2M |
| Automatic | A22S-2A | |
| 3 notches | Manual | A22S-3M |
| Automatic | A22S-3A | |
| Left automatic | A22S-3AM | |
| Right automatic | A22S-3MA |
| Notches | Reset method | Standard lever IP65 (oil-resistant) |
| 2 notches | Manual | A22S-C2M |
| Automatic | A22S-C2A | |
| 3 notches | Manual | A22S-C3M |
| Automatic | A22S-C3A | |
| Left automatic | A22S-C3AM | |
| Right automatic | A22S-C3MA |
Lighted
| Notches | Reset method | Selector color | Standard lever IP65 |
| 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 | ||
| Left automatic | Red | A22W-3AMR | |
| Green | A22W-3AMG | ||
| Yellow | A22W-3AMY | ||
| Blue | A22W-3AMA | ||
| Right automatic | Red | A22W-3MAR | |
| Green | A22W-3MAG | ||
| Yellow | A22W-3MAY | ||
| Blue | A22W-3MAA |
Note: Either incandescent lamps or LED lamps can be used with the above models.
Lamps
LED Lamp
| Appearance | Operating voltage | 6 V | 12 V | 24 V | 24 V Super-bright | |
| AC/DC | LED light | Model | ||||
| A22-6D | DC | Red | A22-6DR | --- | --- | --- |
| Green | A22-6DG | --- | --- | --- | ||
| Yellow (See note 2.) | A22-6DY | --- | --- | --- | ||
| Blue | A22-6DA | --- | --- | --- | ||
| AC | Red | A22-6AR | --- | --- | --- | |
| Green | A22-6AG | --- | --- | --- | ||
| Yellow (See note 2.) | A22-6AY | --- | --- | --- | ||
| Blue | A22-6AA | --- | --- | --- | ||
| AC and DC | Red | --- | A22-12AR | A22-24AR | A22-24ASR | |
| Green | --- | A22-12AG | A22-24AG | A22-24ASG | ||
| Yellow (See note 2.) | --- | A22-12AY | A22-24AY | A22-24ASY | ||
| Blue | --- | A22-12AA | A22-24AA | A22-24ASA | ||
Note: 1. For voltage-reduction lighting, use the A22-24A.
2. Used when the Selector color is yellow or white.
Incandescent Lamp
| Operating voltage | 5 VAC/VDC | 12 VAC/VDC | 24 VAC/VDC | 100 VAC/VDC |
| A22-5 | A22-12 | A22-24 | A22-H1 |
Switches (General-purpose Load)
Non-lighted
| Switch operation | Contacts | Model |
| Automatic | SPST-NO | A22-10M |
| SPST-NC | A22-01M | |
| SPST-NO + SPST-NC | A22-11M | |
| DPST-NO | A22-20M | |
| DPST-NC | A22-02M |
Lighted
| Switch operation | Contacts | Voltage-reduction circuit | ||
| Without Voltage Reduction Unit | With Voltage Reduction Unit | |||
| 110 VAC | 220 VAC | |||
| Automatic | SPST-NO | A22L-10M | A22L-10M-T1 | A22L-10M-T2 |
| SPST-NC | A22L-01M | A22L-01M-T1 | A22L-01M-T2 | |
| SPST-NO + SPST-NC | A22L-11M | A22L-11M-T1 | A22L-11M-T2 | |
| DPST-NO | A22L-20M | A22L-20M-T1 | A22L-20M-T2 | |
| DPST-NC | A22L-02M | A22L-02M-T1 | A22L-02M-T2 | |
Note: For voltage-reduction lighting, use the A22-24A.
■ Accessories (Order Separately)
The A22S/W uses the same accessories as the A22. Refer to the relevant information in the section for the A22.
Specifications
With the exception of the following items, the specifications are the same as for the A22. Refer to the relevant information in the Specifications section for the A22.
■ Operation Angle

Two notches Three notches

Note: 1. The angle used for automatic reset is shown in parentheses.
2. FP: Free Position
Contacts
2-notch Type
| Knob position | SPST-NO | SPST-NC | SPST-NO + SPST-NC | DPST-NO | DPST-NC |
3-notch Type
| Knob position | SPST-NO + SPST-NC | DPST-NO | DPST-NC |

Dimensions
Note: All units are in millimeters unless otherwise indicated.
Knob-type Selector Switch (Lighted/Non-lighted)

A22S/A22W


A22S-C

■ Accessories (Common to A22, A22S/W, A22K, M22, and A22E)
The A22S/W uses the same accessories as the A22. Refer to the relevant information in the corresponding section for the A22.
■ Terminal Arrangement (Bottom View)

Terminal Connection
| Type | Connection diagram |
| Non-lighted | Bottom view 1 2 3 4 |
| Lighted without Voltage Reduction Unit | Bottom view 1 2 3 4 |
| Lighted with Voltage Reduction Unit | Bottom view 1 2 3 4 |
Note: The above terminal connection diagrams are examples for SPST-NO + SPST-NC.
Panel Cutouts (Top View)


Note: 1. When applying coating such as paint to the panel, the dimensions should be those after the application of coating. Lock Ring is provided as a standard item.
2. Recommended panel thickness: 1 to 5mm
3. Use an A22Z-R25 Ring when mounting to a panel with 25-mm holes.
Installation
The A22S/W uses the same installation method as the A22. Refer to the relevant information in the Installation section for the A22.
Precautions
The precautions for the A22S/W are the same as those for the A22. Refer to the relevant information in the Precautions section for the A22 and the Technical Information for Pushbutton Switches (Cat. No. A143).
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. A129-E1-02
In the interest of product improvement, specifications are subject to change without notice.