Omron A22K User manual
Key-type Selector Switch A22K G-107
Pushbutton
Switches
Key-type Selector Switch
A22K
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
• EN60947-5-1
• UL and cUL approved (File No. E41515).
Model Number Structure
■Model Number Legend
Completely Assembled
Shipped as a set which includes the Selector and Switch.
1 2
10
01
11
20
02
2ML
2M
2AL
3ML
3M
3MC
3AC
A22K-@-@
2 Contacts
Code Description
SPST-NO (See note.)
SPST-NC (See note.)
DPST-NO
DPST-NC
1 Number of Notches/Reset Method
Code Notches
2 notches Left
Left and right
Left
3 notches Manual Left
Left and right
Center
Center
Automatic
Automatic
Manual
Reset
method
Key release
position
SPST-NO + SPST-NC
Note: For models with 2 notches
Contact Rating is standard
load. (Refer to the Specification
section for the A22.)
G-108 Key-type Selector Switch A22K
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. Switch
Non-lighted
1
2ML
2M
2AL
3ML
3M
3MC
3AC
A22K-@
1 Number of Notches/Reset Method
Code Notches
2 notches Manual Left
Left and right
Left
3 notches Manual Left
Left and right
Center
Center
Automatic
Automatic
Reset
method
Key release
position
1
10
01
11
20
02
A22-@M
1 Contacts
Code Description
SPST-NO (2-notch models only)
SPST-NC (2-notch models only)
SPST-NO + SPST-NC
DPST-NO
DPST-NC
Key-type Selector Switch A22K G-109
Pushbutton
Switches
Ordering Information
■List of Models
Ordering as a Set
Note: Two Keys are provided.
Appearance Number of
notches Reset method Output Key release
position Model Color of
Selector
2 notches SPST-NO A22K-2ML-10 Black
A22K-2M-10
SPST-NC A22K-2ML-01
A22K-2M-01
SPST-NO +
SPST-NC
A22K-2ML-11
A22K-2M-11
DPST-NO A22K-2ML-20
A22K-2M-20
DPST-NC A22K-2ML-02
A22K-2M-02
SPST-NO A22K-2AL-10
SPST-NC A22K-2AL-01
SPST-NO +
SPST-NC
A22K-2AL-11
DPST-NO A22K-2AL-20
DPST-NC A22K-2AL-02
3 notches SPST-NO +
SPST-NC
A22K-3ML-11
A22K-3M-11
A22K-3MC-11
DPST-NO A22K-3ML-20
A22K-3M-20
A22K-3MC-20
DPST-NC A22K-3ML-02
A22K-3M-02
A22K-3MC-02
SPST-NO +
SPST-NC
A22K-3AC-11
DPST-NO A22K-3AC-20
DPST-NC A22K-3AC-02
Key-type Selector Switch
A22K
Manual
Automatic
Manual
Automatic
G-110 Key-type Selector Switch A22K
Ordering Individually
Selector
(Color: Only Black is available)
Note: Two keys are provided.
Switch
Note: DPST-NO + DPST-NC combination is also possible.
Accessories
Note: Two keys are provided.
Accessories
The A22K uses the same accessories as the A22. Refer to the relevant information in the corresponding section for the A22.
Selector Switch
Two Keys are provided.
Appearance Number of notches Reset method Key release position Model
2 notches A22K-2ML
A22K-2M
A22K-2AL
3 notches A22K-3ML
A22K-3M
A22K-3MC
A22K-3AC
Manual
Automatic
Manual
Automatic
Appearance Classification Model
Lighted Socket (without voltage-re-
duction circuit)
SPST-NO A22-10M
SPST-NC A22-01M
SPST-NO + SPST-NC A22-11M
DPST-NO A22-20M
DPST-NC A22-02M
Appearance Model
A22K-K
Key-type Selector Switch A22K G-111
Pushbutton
Switches
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
Note: 1. The angles in parentheses are for automatic-reset models.
2. FP: Free position
■Contacts
2-notch Type
3-notch Type
2 notches 3 notches
Knob position SPST-NO SPST-NC SPST-NO + SPST-NC DPST-NO DPST-NC
Knob position SPST-NO + SPST-NC DPST-NO DPST-NC
G-112 Key-type Selector Switch A22K
Nomenclature
Dimensions
Note: All units are in millimeters unless otherwise indicated.
■Key-type Selector Switch
■Accessories
The A22K uses the same accessories as the A22. Refer to the relevant information in the corresponding section for the A22.
■Terminal Arrangement (Bottom View)
•Number of Notches
2 notches/3 notches
•Key Release Position
Selector
Switch
•Contacts
Lock Fitting
2 notches
3 notches
Note: Two Keys are provided.
SPST-NO, SPST-NC, SPST-NO + SPST-NC,
DPST-NO, DPST-NC
Non-lighted (SPST-NO + SPST-NC)
A22K
30 dia.
Switch Blocks
M3.5 screw
Key-type Selector Switch A22K G-113
Pushbutton
Switches
■Terminal Connection
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 di-
mensions should be those after the application of coating.
Lock fitting is provided as a standard item.
2. Recommended panel thickness: 1 to 5 mm.
3. Use an A22Z-R25 Ring when mounting to a panel with 25-
mm holes.
Installation
The A22K 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 A22K 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).
Type Terminal connection
Non-lighted Bottom view
22.3+0.4 dia.
025+0.5 dia.
0
G-114 Key-type Selector Switch A22K
In the interest of product improvement, specifications are subject to change without notice.
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. A130-E1-02
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