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A22NK

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

Screw Terminal Blocks/Push-In Plus Terminal Blocks
Plastic bezels
A22NK-[]B
3441_lu_1_1

Screw Terminal Blocks/Push-In Plus Terminal Blocks
Brushed metal bezels
A22NK-[]M
3441_lu_2_1

Screw Terminal Blocks/Push-In Plus Terminal Blocks
Metal bezels
A22NK-[]R
3441_lu_3_1

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

A22NK Lineup 6

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/
SPST-NC
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/
DPST-NC
1 NO ON
2 NC ON
3 NC ON
3 112 DPST-NO/
SPST-NC
1 NO ON
2 NO ON
3 NC ON

Operation Angle

A22NK Lineup 10

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/
SPST-NC
1 NO ON
2 NC ON
3 --- --- --- ---
2 102 SPST-NO/
SPST-NC
1 NO ON
2 --- --- --- ---
3 NC ON ON
2 210 SPST-NO/
SPST-NC
1 NC ON ON
2 NO ON ON
3 --- --- --- ---
2 201 SPST-NO/
SPST-NC
1 NC ON ON
2 --- --- --- ---
3 NO ON
2 012 SPST-NO/
SPST-NC
1 --- --- --- ---
2 NO ON ON
3 NC ON ON
2 021 SPST-NO/
SPST-NC
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/
DPST-NC
1 NO ON
2 NC ON
3 NC ON ON
3 212 SPST-NO/
DPST-NC
1 NC ON ON
2 NO ON ON
3 NC ON ON
3 221 SPST-NO/
DPST-NC
1 NC ON ON
2 NC ON
3 NO ON ON
3 211 DPST-NO/
SPST-NC
1 NC ON ON
2 NO ON ON
3 NO ON
3 121 DPST-NO/
SPST-NC
1 NO ON
2 NC ON
3 NO ON
3 112 DPST-NO/
SPST-NC
1 NO ON
2 NO ON ON
3 NC ON ON

Operation Angle

A22NK Lineup 12

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
material
No. of
outputs
Model (3)
Reset method
(5)
Key release
positions
(8)(8)(8)
Contact
configuration
Plastic bezels
3441_lu_5_1
2B 1 A22NK-2B(3)-01(5)A-G(8)(8)(8) M: Manual
L: Automatic reset on left
A: All positions
B: Left
C: Right
100
002
A22NK-2B(3)-01(5)A-P(8)(8)(8)
2 A22NK-2B(3)-01(5)A-G(8)(8)(8) 102
101
202
A22NK-2B(3)-01(5)A-P(8)(8)(8)
3 A22NK-2B(3)-01(5)A-G(8)(8)(8) 111
222
122
112
A22NK-2B(3)-01(5)A-P(8)(8)(8)
Brushed metal bezels
3441_lu_5_2
2M 1 A22NK-2M(3)-01(5)A-G(8)(8)(8) 100
002
A22NK-2M(3)-01(5)A-P(8)(8)(8)
2 A22NK-2M(3)-01(5)A-G(8)(8)(8) 102
101
202
A22NK-2M(3)-01(5)A-P(8)(8)(8)
3 A22NK-2M(3)-01(5)A-G(8)(8)(8) 111
222
122
112
A22NK-2M(3)-01(5)A-P(8)(8)(8)
Metal bezels
3441_lu_5_3
2R 1 A22NK-2R(3)-01(5)A-G(8)(8)(8) 100
002
A22NK-2R(3)-01(5)A-P(8)(8)(8)
2 A22NK-2R(3)-01(5)A-G(8)(8)(8) 102
101
202
A22NK-2R(3)-01(5)A-P(8)(8)(8)
3 A22NK-2R(3)-01(5)A-G(8)(8)(8) 111
222
122
112
A22NK-2R(3)-01(5)A-P(8)(8)(8)

Three-position, Key-type Selector Switches

Appearance Bezel
material
No. of
outputs
Model (3)
Reset method
(5)
Key release
positions
(8)(8)(8)
Contact
configuration
Plastic bezels
3441_lu_6_1
3B 2 A22NK-3B(3)-01(5)A-G(8)(8)(8) M: Manual
L: Automatic reset on left
R: Automatic reset on right
B: Automatic reset on left and right
A: All positions
B: Left
C: Right
D: Center
G: Left and right
110
011
101
220
022
202
120
102
210
201
012
021
A22NK-3B(3)-01(5)A-P(8)(8)(8)
3 A22NK-3B(3)-01(5)A-G(8)(8)(8) 111
222
122
212
221
211
121
112
A22NK-3B(3)-01(5)A-P(8)(8)(8)
Brushed metal bezels
3441_lu_6_2
3M 2 A22NK-3M(3)-01(5)A-G(8)(8)(8) 110
011
101
220
022
202
120
102
210
201
012
021
A22NK-3M(3)-01(5)A-P(8)(8)(8)
3 A22NK-3M(3)-01(5)A-G(8)(8)(8) 111
222
122
212
221
211
121
112
A22NK-3M(3)-01(5)A-P(8)(8)(8)
Metal bezels
3441_lu_6_3
3R 2 A22NK-3R(3)-01(5)A-G(8)(8)(8) 110
011
101
220
022
202
120
102
210
201
012
021
A22NK-3R(3)-01(5)A-P(8)(8)(8)
3 A22NK-3R(3)-01(5)A-G(8)(8)(8) 111
222
122
212
221
211
121
112
A22NK-3R(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.

A22NK Lineup 17

Operation Units

Bezel material and shape Plastic
3441_lu_8_1
Brushed metal
3441_lu_8_2
Metal
3441_lu_8_3
(1)
Key release
positions
No. of
positions
Reset method Model Model Model
2 Manual A22NZ-2BM-01(1)A A22NZ-2MM-01(1)A A22NZ-2RM-01(1)A A: All positions
B: Left
C: Right
Automatic reset
on left
A22NZ-2BL-01(1)A A22NZ-2ML-01(1)A A22NZ-2RL-01(1)A
3 Manual A22NZ-3BM-01(1)A A22NZ-3MM-01(1)A A22NZ-3RM-01(1)A A: All positions
B: Left
C: Right
D: Center
G: Left and right
Automatic reset
on left
A22NZ-3BL-01(1)A A22NZ-3ML-01(1)A A22NZ-3RL-01(1)A
Automatic reset
on right
A22NZ-3BR-01(1)A A22NZ-3MR-01(1)A A22NZ-3RR-01(1)A
Automatic reset
on left and right
A22NZ-3BB-01(1)A A22NZ-3MB-01(1)A A22NZ-3RB-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
a254-e1_lu_2_1 A22NZ-H-01

Contact Blocks

Appearance Terminals Specifications Contact
Specification
Model
a254-e1_lu_3_1 Screw terminal block SPST-NO (blue) A22NZ-S-G1A
SPST-NC (orange) A22NZ-S-G1B
a254-e1_lu_3_2 Push-In Plus terminal block SPST-NO (blue) A22NZ-S-P1A
SPST-NC (red) A22NZ-S-P1B
a254-e1_lu_3_3 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