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

 image

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

image

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

image

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

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

image

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
image

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
image

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)

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
image

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
image

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)

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. 

image

Operation Units

Bezel material and shape

Plastic
 
image

Brushed metal
 
image

(1)
 Key release
 positions

No. of
 positions

Reset method

Model

Model

2

Manual

A22NZ-2BM-01(1)A

A22NZ-2MM-01(1)A

A: All positions
 B: Left
 C: Right

Automatic reset
 on left

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
 B: Left
 C: Right
 D: Center
 G: Left and right

Automatic reset
 on left

A22NZ-3BL-01(1)A

A22NZ-3ML-01(1)A

Automatic reset
 on right

A22NZ-3BR-01(1)A

A22NZ-3MR-01(1)A

Automatic reset
 on left and right

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

image

A22NZ-H-01

Contact Blocks

Appearance

Terminals Specifications

Contact
 Specification

Model

image

Screw terminal block

SPST-NO (blue)

A22NZ-S-G1A

SPST-NC (orange)

A22NZ-S-G1B

image

Push-In Plus terminal block

SPST-NO (blue)

A22NZ-S-P1A

SPST-NC (red)

A22NZ-S-P1B

image

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