A22NK

Features

22 mm dia. keyed selector switches with flexible bezel options

These reliable keyed switches are offered in a full range of 2 or 3 release positions with either manual or auto reset operations.
  • Extra security available with keyed selector switches, only authorized key-holders can change settings.
  • 2- and 3-position switches with manual or automatic reset.
  • Mounting depth less than 46.8 mm behind panel.
  • Up to 6 contact blocks (3 contact blocks across and 2 rows deep).
  • Symmetrical contact block.
  • Push-in Plus terminal block type.
  • Snap-in switch unit for quick and easy mounting.
  • RoHS compliant.
Specifications & ordering info

Ordering information

Bezel material

Reset

Release position

Contacts group 1021

Order code2

Operational mode (Positions)

2 positions

3 positions

Plastic

Manual

All

1NO 1NC

A22NK-2BM-01AA-G102

A22NK-3BM-01AA-G102

Auto reset on left

Left

1NO 1NC

A22NK-2BL-01BA-G102

A22NK-3BL-01BA-G102

Metal

Manual

All

1NO 1NC

A22NK-2RM-01AA-G102

A22NK-3RM-01AA-G102

Auto reset on left

Left

1NO 1NC

A22NK-2RL-01BA-G102

A22NK-3RL-01BA-G102

Brushed metal

Manual

All

1NO 1NC

A22NK-2MM-01AA-G102

A22NK-3MM-01AA-G102

Auto reset on left

Left

1NO 1NC

A22NK-2ML-01BA-G102

A22NK-3ML-01BA-G102

*1 Contacts

Code

Contact blocks

Unit position

Two
positions

Three positions

NO

NC

1

2

3

100

1

0

NO

-

-

Yes

-

002

0

1

-

-

NC

Yes

-

101

2

0

NO

-

NO

Yes

Yes

102

1

1

NO

-

NC

Yes

Yes

201

1

1

NC

-

NO

-

Yes

202

0

2

NC

-

NC

Yes

Yes

110

2

0

NO

NO

-

-

Yes

111

3

0

NO

NO

NO

Yes

Yes

*2


G: General/Screw terminal block
P: General/Push-In Plus terminal block

List of models

 

Screw terminal blocks/Push-In Plus terminal blocks

Plastic bezels

Brushed metal bezels

Metal bezels

A22NK-_B

A22NK-_M

A22NK-_R

2 positions

 

 

 

3 positions
(Push-In terminals)

 

 

 

Operation angle

Subassemblies

Switch structure

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

 

Reference for:

A22NK-2BM-01AA-G122

2 positions

Manual

A22NK-3RB-01DA-P122

3 positions (Push-In terminals)

Auto reset on L/R

Plastic

Metal

Release position

All

Center

Operational unit

A22NZ-2BM-01AA

A22NZ-3RB-01DA

Mounting Collar

A22NZ-H-01

Contact block SPST-NO

A22NZ-S-G1A

A22NZ-S-P1A

Contact block SPST-NC × 2

A22NZ-S-G1B

A22NZ-S-P1B

 

Operational units

Bezel material

Reset

Release position

Order code

Operational mode (Positions)

2 positions

3 positions

Plastic

Manual

All

A22NZ-2BM-01AA

A22NZ-3BM-01AA

Auto reset on left

Left

A22NZ-2BL-01BA

A22NZ-3BL-01BA

Metal

Manual

All

A22NZ-2RM-01AA

A22NZ-3RM-01AA

Auto reset on left

Left

A22NZ-2RL-01BA

A22NZ-3RL-01BA

Brushed metal

Manual

All

A22NZ-2MM-01AA

A22NZ-3MM-01AA

Auto reset on left

Left

A22NZ-2ML-01BA

A22NZ-3ML-01BA

Mounting collar

Appearance

Order code

 

A22NZ-H-01

Contact blocks

Appearance

Terminal specification

Contacts

Order code

 

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

Accessories (Order separately)

 

Item

Appearance

Description

Order code

Reinforcement plate

 

Used to insure robustness or when the second of third level of contact blocks are attached.

A22NZ-A-C01

Tightening wrench

 

Used to tighten mounting nuts from the back of the panel.

A22NZ-A-301

Key

 

Up to 6 different keys

A22NZ-K-01

Control Box

 

Used to install of one pushbutton.

A22NZ-A-B01Y

 

Item

Appearance

Description

Order code

Legend plate frame

 

Legend Plate with no text on black background included. For 22.3-mm panel hole diameter

A22NZ-A-50103

Legend plates

 

Without text

White

A22Z-3443W

Black

A22Z-3443B

Transparent

A22Z-3443C

White text on red background

“STOP”

A22Z-3443R-4

White text on black background

“START”

A22Z-3443B-3

Specifications

Key-type selector switches

Item

Switches with 2 positions

Switches with 3 positions

Allowable operating frequency

Mechanical

30 operations/min max.

Electrical

30 operations/min max.

Insulated resistance

100 mΩ min. (initial value)

Dielectric strength

Between terminals of same polarity

2,500 VAC at 50/60 Hz for 1 min

Between each terminal and ground

2,500 VAC at 50/60 Hz for 1 min

Vibration resistance

Malfunction

10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)

Shock resistance

Malfunction

1,000 m/s² max. (malfunction within 1 ms)

Durability

Mechanical

500,000 operations min.

300,000 operations min.

Electrical

500,000 operations min.

300,000 operations min.

*1 Contacts

*2


G: General/Screw terminal block
P: General/Push-In Plus terminal block

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