A22NK

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A22NK Key-type Selector Switches Datasheet

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
Plastic	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
Metal	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
Brushed metal	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
Code	NO	NC	1	2	3	Two positions	Three positions
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
Reference for:	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
Plastic	Auto reset on left	Left	A22NZ-2BL-01BA	A22NZ-3BL-01BA
Metal	Manual	All	A22NZ-2RM-01AA	A22NZ-3RM-01AA
Metal	Auto reset on left	Left	A22NZ-2RL-01BA	A22NZ-3RL-01BA
Brushed metal	Manual	All	A22NZ-2MM-01AA	A22NZ-3MM-01AA
Brushed metal	Auto reset on left	Left	A22NZ-2ML-01BA	A22NZ-3ML-01BA

Mounting collar

Appearance	Order code
	A22NZ-H-01

Contact blocks

Terminal specification	Contacts	Order code
Screw terminal block	SPST-NO (blue)	A22NZ-S-G1A
Screw terminal block	SPST-NC (orange)	A22NZ-S-G1B
Push-In Plus terminal block	SPST-NO (blue)	A22NZ-S-P1A
Push-In Plus terminal block	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	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	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.
Allowable operating frequency	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
Dielectric strength	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.
Durability	Electrical	500,000 operations min.	300,000 operations min.

*1 Contacts

*2

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

Technical information

Downloads

Brochures

Pushbutton Switches Brochure

enPDF 8.3 MB

Show all brochures

Datasheets

A22NK Key-type Selector Switches Datasheet

enPDF 3.57 MB

More languages

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A22NK

22 mm dia. keyed selector switches with flexible bezel options