Key-type Selector Switches
A22NK
22-mm dia. Key-type Selector Switches. Control panel miniaturization through a more compact design and modified wiring direction. Addition of Push-In Plus terminal blocks for easy wiring.
List of Models

Model Number Structure
Model Number Legend
Shipped as a set that includes the Operation Unit, Mounting Collar, and Contact Block.
For information on combinations, refer to Ordering Information.
Model Numbers for Sets

Structure
Contact Configuration Table
Two Positions
|
No. of outputs |
Code |
Contact configuration |
Unit position |
Contacts |
Position |
|
|
1 |
2 |
|||||
|
1 |
100 |
SPST-NO |
1 |
NO |
ON |
|
|
2 |
--- |
--- |
--- |
|||
|
3 |
--- |
--- |
--- |
|||
|
1 |
002 |
SPST-NC |
1 |
--- |
--- |
--- |
|
2 |
--- |
--- |
--- |
|||
|
3 |
NC |
ON |
||||
|
2 |
102 |
SPST-NO/ |
1 |
NO |
ON |
|
|
2 |
--- |
--- |
--- |
|||
|
3 |
NC |
ON |
||||
|
2 |
101 |
DPST-NO |
1 |
NO |
ON |
|
|
2 |
--- |
--- |
--- |
|||
|
3 |
NO |
ON |
||||
|
2 |
202 |
DPST-NC |
1 |
NC |
ON |
|
|
2 |
--- |
--- |
--- |
|||
|
3 |
NC |
ON |
||||
|
3 |
111 |
3PST-NO |
1 |
NO |
ON |
|
|
2 |
NO |
ON |
||||
|
3 |
NO |
ON |
||||
|
3 |
222 |
3PST-NC |
1 |
NC |
ON |
|
|
2 |
NC |
ON |
||||
|
3 |
NC |
ON |
||||
|
3 |
122 |
SPST-NO/ |
1 |
NO |
ON |
|
|
2 |
NC |
ON |
||||
|
3 |
NC |
ON |
||||
|
3 |
112 |
DPST-NO/ |
1 |
NO |
ON |
|
|
2 |
NO |
ON |
||||
|
3 |
NC |
ON |
||||
Operation Angle

Three Positions
|
No. of outputs |
Code |
Contact configuration |
Unit position |
Contacts |
Position |
||
|
1 |
0 |
2 |
|||||
|
2 |
110 |
DPST-NO |
1 |
NO |
ON |
||
|
2 |
NO |
ON |
ON |
||||
|
3 |
--- |
--- |
--- |
--- |
|||
|
2 |
011 |
DPST-NO |
1 |
--- |
--- |
--- |
--- |
|
2 |
NO |
ON |
ON |
||||
|
3 |
NO |
ON |
|||||
|
2 |
101 |
DPST-NO |
1 |
NO |
ON |
||
|
2 |
--- |
--- |
--- |
--- |
|||
|
3 |
NO |
ON |
|||||
|
2 |
220 |
DPST-NC |
1 |
NC |
ON |
ON |
|
|
2 |
NC |
ON |
|||||
|
3 |
--- |
--- |
--- |
--- |
|||
|
2 |
022 |
DPST-NC |
1 |
--- |
--- |
--- |
--- |
|
2 |
NC |
ON |
|||||
|
3 |
NC |
ON |
ON |
||||
|
2 |
202 |
DPST-NC |
1 |
NC |
ON |
ON |
|
|
2 |
--- |
--- |
--- |
--- |
|||
|
3 |
NC |
ON |
ON |
||||
|
2 |
120 |
SPST-NO/ |
1 |
NO |
ON |
||
|
2 |
NC |
ON |
|||||
|
3 |
--- |
--- |
--- |
--- |
|||
|
2 |
102 |
SPST-NO/ |
1 |
NO |
ON |
||
|
2 |
--- |
--- |
--- |
--- |
|||
|
3 |
NC |
ON |
ON |
||||
|
2 |
210 |
SPST-NO/ |
1 |
NC |
ON |
ON |
|
|
2 |
NO |
ON |
ON |
||||
|
3 |
--- |
--- |
--- |
--- |
|||
|
2 |
201 |
SPST-NO/ |
1 |
NC |
ON |
ON |
|
|
2 |
--- |
--- |
--- |
--- |
|||
|
3 |
NO |
ON |
|||||
|
2 |
012 |
SPST-NO/ |
1 |
--- |
--- |
--- |
--- |
|
2 |
NO |
ON |
ON |
||||
|
3 |
NC |
ON |
ON |
||||
|
2 |
021 |
SPST-NO/ |
1 |
--- |
--- |
--- |
--- |
|
2 |
NC |
ON |
|||||
|
3 |
NO |
ON |
|||||
|
3 |
111 |
3PST-NO |
1 |
NO |
ON |
||
|
2 |
NO |
ON |
ON |
||||
|
3 |
NO |
ON |
|||||
|
3 |
222 |
3PST-NC |
1 |
NC |
ON |
ON |
|
|
2 |
NC |
ON |
|||||
|
3 |
NC |
ON |
ON |
||||
|
3 |
122 |
SPST-NO/ |
1 |
NO |
ON |
||
|
2 |
NC |
ON |
|||||
|
3 |
NC |
ON |
ON |
||||
|
3 |
212 |
SPST-NO/ |
1 |
NC |
ON |
ON |
|
|
2 |
NO |
ON |
ON |
||||
|
3 |
NC |
ON |
ON |
||||
|
3 |
221 |
SPST-NO/ |
1 |
NC |
ON |
ON |
|
|
2 |
NC |
ON |
|||||
|
3 |
NO |
ON |
|||||
|
3 |
211 |
DPST-NO/ |
1 |
NC |
ON |
ON |
|
|
2 |
NO |
ON |
ON |
||||
|
3 |
NO |
ON |
|||||
|
3 |
121 |
DPST-NO/ |
1 |
NO |
ON |
||
|
2 |
NC |
ON |
|||||
|
3 |
NO |
ON |
|||||
|
3 |
112 |
DPST-NO/ |
1 |
NO |
ON |
||
|
2 |
NO |
ON |
ON |
||||
|
3 |
NC |
ON |
ON |
||||
Operation Angle

Ordering Information
Model Numbers for Sets
Shipped as a set that includes the Operation Unit, Mounting Collar, and Contact Block.
Two-position, Key-type Selector Switches
|
Appearance |
Bezel |
No. of |
Model |
(3) |
(5) |
(8)(8)(8) |
|
Plastic bezels |
2B |
1 |
A22NK-2B(3)-01(5)A-G(8)(8)(8) |
M: Manual |
A: All positions |
100 |
|
A22NK-2B(3)-01(5)A-P(8)(8)(8) |
||||||
|
2 |
A22NK-2B(3)-01(5)A-G(8)(8)(8) |
102 |
||||
|
A22NK-2B(3)-01(5)A-P(8)(8)(8) |
||||||
|
3 |
A22NK-2B(3)-01(5)A-G(8)(8)(8) |
111 |
||||
|
A22NK-2B(3)-01(5)A-P(8)(8)(8) |
||||||
|
Brushed metal bezels |
2M |
1 |
A22NK-2M(3)-01(5)A-G(8)(8)(8) |
100 |
||
|
A22NK-2M(3)-01(5)A-P(8)(8)(8) |
||||||
|
2 |
A22NK-2M(3)-01(5)A-G(8)(8)(8) |
102 |
||||
|
A22NK-2M(3)-01(5)A-P(8)(8)(8) |
||||||
|
3 |
A22NK-2M(3)-01(5)A-G(8)(8)(8) |
111 |
||||
|
A22NK-2M(3)-01(5)A-P(8)(8)(8) |
Three-position, Key-type Selector Switches
|
Appearance |
Bezel |
No. of |
Model |
(3) |
(5) |
(8)(8)(8) |
|
Plastic bezels |
3B |
2 |
A22NK-3B(3)-01(5)A-G(8)(8)(8) |
M: Manual |
A: All |
110 |
|
A22NK-3B(3)-01(5)A-P(8)(8)(8) |
||||||
|
3 |
A22NK-3B(3)-01(5)A-G(8)(8)(8) |
111 |
||||
|
A22NK-3B(3)-01(5)A-P(8)(8)(8) |
||||||
|
Brushed metal bezels |
3M |
2 |
A22NK-3M(3)-01(5)A-G(8)(8)(8) |
110 |
||
|
A22NK-3M(3)-01(5)A-P(8)(8)(8) |
||||||
|
3 |
A22NK-3M(3)-01(5)A-G(8)(8)(8) |
111 |
||||
|
A22NK-3M(3)-01(5)A-P(8)(8)(8) |
Subassemblies
You can order Operation Units, Mounting Collars, and Contact Blocks individually. Use them in combination for models that are not available as assembled Switches. They can also be used as inventory for maintenance parts.

Operation Units
|
Bezel material and shape |
Plastic |
Brushed metal |
(1) |
|
|
No. of |
Reset method |
Model |
Model |
|
|
2 |
Manual |
A22NZ-2BM-01(1)A |
A22NZ-2MM-01(1)A |
A: All positions |
|
Automatic reset |
A22NZ-2BL-01(1)A |
A22NZ-2ML-01(1)A |
||
|
3 |
Manual |
A22NZ-3BM-01(1)A |
A22NZ-3MM-01(1)A |
A: All positions |
|
Automatic reset |
A22NZ-3BL-01(1)A |
A22NZ-3ML-01(1)A |
||
|
Automatic reset |
A22NZ-3BR-01(1)A |
A22NZ-3MR-01(1)A |
||
|
Automatic reset |
A22NZ-3BB-01(1)A |
A22NZ-3MB-01(1)A |
||
Subassemblies (Common)
Subassemblies
You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in combination for models that are not available as assembled Units. These can also be used as inventory for maintenance parts.
Mounting Collar
|
Appearance |
Model |
|
|
A22NZ-H-01 |
Contact Blocks
|
Appearance |
Terminals Specifications |
Contact |
Model |
|
|
Screw terminal block |
SPST-NO (blue) |
A22NZ-S-G1A |
|
SPST-NC (orange) |
A22NZ-S-G1B |
||
|
|
Push-In Plus terminal block |
SPST-NO (blue) |
A22NZ-S-P1A |
|
SPST-NC (red) |
A22NZ-S-P1B |
||
|
|
Push-In Plus terminal block |
DPST-NO (blue) |
A22NZ-S-P2A |
|
DPST-NC (red) |
A22NZ-S-P2B |
||
|
SPST-NO/SPST-NC (white) |
A22NZ-S-P2C |









