OMRON A22NK catalog

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Global Edition

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.

*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.

Catalog Name	Catalog Number [size]	Last Update
A22N/M22N/A30N Data Sheet	A254-E1-01 [55488KB]	Jan 15, 201920190115	A22N/M22N/A30N Data Sheet
A22N-P/A30N-P, M22N-P, A22NE-P Catalog	A253-E1-04 [4664KB]	Dec 03, 201820181203	A22N-P/A30N-P, M22N-P, A22NE-P Catalog
Innovation in Control Panel Building	Y218-E1-03 [13592KB]	Oct 02, 201720171002	Innovation in Control Panel Building

OMRON A22NK specification

last update: October 03, 2016

Certified Safety Standard Ratings

UL 508 (File No. E76675), CSA C22.2 No.14

6 A 240 VAC, 10 A 120 VAC

TÜV (EN60947-5-1)

AC-15 3 A 240 VAC
DC-13 4 A 24 VDC

CCC (GB14048.5)

AC-15 3 A 240 VAC
DC-13 4 A 24 VDC

Application Standards

UL1059 and UL486E (Push-In Plus terminal block type)

Ratings

Contacts (Standard Load)

Rated insulation voltage		600 V
Rated carry current		10 A
Rated voltage		24 V	120 V	240 V	380 V	440 V
AC at 50/60 Hz	Resistive load (AC-12)	10 A	10 A	6 A	2A	2 A
	Inductive load (AC-15)	10 A	6 A	3 A	1.9 A	1.6 A
DC	Resistive load (DC-12)	8 A	2.2 A	1.1 A	---	---
	Inductive load (DC-13)	4 A	1.1 A	0.55 A	---	---

Note: 1. The above ratings were obtained by conducting tests under the following conditions.
            (1) Ambient temperature: 20 ±2°C
            (2) Ambient humidity: 65% ±5% RH
            (3) Operating frequency: 30 operations/minute
         2. Minimum applicable load: 10 mA at 5 VDC.

Characteristics

Item		Key-type Selector Switches
Allowable operating frequency	Mechanical	30 operations/minute max.
	Electrical	30 operations/minute max.
Insulation resistance		100 MΩ min. (at 500 VDC)
Contact resistance		100 mΩ max. (initial value)
Dielectric strength	Between terminals of same polarity	2,500 VAC at 50/60 Hz for 1 min. (initial value)
	Between each terminal and ground	2,500 VAC at 50/60 Hz for 1 min. (initial value)
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. (Switches with 3 positions: 300,000 operations min.)
	Electrical	500,000 operations min. (Switches with 3 positions: 300,000 operations min.) (250 VAC, 3 A, with an inductive load having power factor cos θ = 0.4)
Ambient operating temperature*1		-25 to 70°C
Ambient operating humidity		35% to 85% RH
Ambient storage temperature*1		-40 to 80°C
Degree of protection*2		Conforming to IP66, NEMA13
Electric shock protection class		Class II
PTI (tracking characteristic)		175
Degree of contamination (application environment)		3 (EN 60947-5-1)
Weight		Approx. 65 g (for 1NC/1NO)

*1. With no icing or condensation.
*2. Degree of protection from the front of the panel.

Operating Characteristics (for SPST-NO/SPST-NC)

Item	Key-type Selector Switches
	Manual reset	Automatic reset
Total travel force (torque) (maximum TTF)	0.6 N·m	0.6 N·m
Total travel (TT)	2 positions: Approx. 90°, 3 positions: Approx. 45°
Resetting force (torque) (RF)	0.5 N·m max.	---

Examples of Linked Contact Blocks (Screw terminal block type)

	Key-type Selector Switches
	2 positions	3 positions
Linking example

Note: If you increase the number of Contact Blocks, evaluate the Switch under actual working conditions before permanent installation and use the Switch within a number of switching operations that will not adversely affect the Switch’s performance.

last update: October 03, 2016

OMRON A22NK accessory

last update: April 2, 2018

Ordering Information

Accessories and Tools (Order Separately)

Item	Appearance	Classification		Model	Remarks
Protective Cover		---		A22NZ-A-303	A protector designed to prevent incorrect operation. Cannot be used together with other accessories. (Rubber seal included.) For 22.3 and 25.5-mm panel holes diameter. Key-type selector switches cannot be used.
Plastic Hole Plug		Round		A22NZ-A-401	Can be plugged into precut panel holes for future expansion. Applicable panel thickness: 0.8 to 3.0 mm For 22.3-mm panel hole diameter.
Metal Hole Plug		Round		A22NZ-A-402	Can be plugged into precut panel holes for future expansion. Applicable panel thickness: 0.8 to 6.0 mm (Rubber seal included.) For 22.3-mm panel hole diameter.
Lock Ring		Round		A22NZ-A-403	Used when a more secure lock is required to prevent rotation inside the Operation Unit. (Rubber seal included.) For 22.3-mm panel hole diameter. Can be used together with the A22NZ-A-50501 Lock Ring.
Lock Ring		---		A22NZ-A-50501	Used when a more secure lock is required to prevent rotation of the Operation Unit. Can be used together with the A22NZ-A-403 Lock Ring. Can be used with the A22N Series and the A30N Series.
Reinforcement Plate		---		A22NZ-A-C01	Used to reinforce Contact Blocks and Lighting Units, Refer to catalog for mounting instructions.
Key		---		A22NZ-K-01	Used with a key-type selector switch.
Control Box		1 hole		A22NZ-A-B01Y	Applicable Range • Type with Screw Terminal Block 　One Switch can be linked. • Type with Push-in Plus Terminal 　Block Compatible only with 　Switches with a Single-contact Unit. For 22.3-mm panel hole diameter.
Connector		Suitable Cable Diameter (mm)	7 to 9 dia.	A22Z-3500-1	Plastic connector used to extend a cable from the switch box. Refer to catalog for details.
			9 to 11 dia.	A22Z-3500-2
Sealing Caps		For flat models		A22Z-3600F	Used to prevent dust or water from entering the Operation Unit. Color: opaque Material: silicon For 22.3 and 25.5-mm panel holes diameter. Knob-type and key-type selector switches cannot be used.
		For projection models		A22Z-3600T
		For full-guard models		A22Z-3600G
Resin Attachment for 30 dia.		Round		A22Z-A30	Use when mounting to a panel with a 30-dia. hole. Refer to catalog for details. Purchase and mount a separate Lock Ring when using an indicator.
Small Legend Plate Frame		Black		A22NZ-A-50103	Legend Plate with no text on black background included. For 22.3-mm panel hole diameter.
Small Legend Plates (Standard Size)		Without text		A22Z-3443B	Black
				A22Z-3443R	Red
				A22Z-3443W	White
				A22Z-3443C	Transparent
		○		A22Z-3443R-2	White text on red background
		STOP		A22Z-3443R-4
		|		A22Z-3443B-1	White text on black background
		START		A22Z-3443B-3
		ON		A22Z-3443B-5
		OFF		A22Z-3443B-6
		UP		A22Z-3443B-7
		DOWN		A22Z-3443B-8
		POWER ON		A22Z-3443B-9
		OFF-ON		A22Z-3443B-10
Large Legend Plate Frame		Black		A22NZ-A-51103	Legend Plate with no text on black background included. For 22.3-mm panel hole diameter.
Large Legend Plates		Without text		A22Z-3453B	Black
				A22Z-3453R	Red
				A22Z-3453W	White
				A22Z-3453C	Transparent
Tightening Wrench		---		A22NZ-A-301	Used to tighten Mounting Nuts from the back of the panel.
LED Lamp Extractor		---		A22NZ-A-302	Made of rubber and used to easily remove and attach LED Lamps.
Cap Tightening Wrench		---		A22Z-3908	Used to replace the Caps on Flat, Projected, and Fullguard Pushbutton Switches.

last update: April 2, 2018

OMRON A22NK dimension

last update: August 1, 2017

(Unit: mm)

Lighted and Non-lighted Key-type Selection Switches

Two-position Switches with Plastic Bezels

A22NK-2B[]-01[]A-G

A22NK-2B[]-01[]A-P

Three-position Switches with Plastic Bezels

A22NK-3B[]-01[]A-G

A22NK-3B[]-01[]A-P

Two-position Switches with Brushed Metal Bezels

A22NK-2M[]-01[]A-G

A22NK-2M[]-01[]A-P

Three-position Switches with Brushed Metal Bezels

A22NK-3M[]-01[]A-G

A22NK-3M[]-01[]A-P

Two-position Switches with Metal Bezels

A22NK-2R[]-01[]A-G

A22NK-2R[]-01[]A-P

Three-position Switches with Metal Bezels

A22NK-3R[]-01[]A-G

A22NK-3R[]-01[]A-P

Depth with Linked Units

(Screw terminal block type)

Depth when a double-contact unit is mounted

(Push-In Plus terminal block type)

Subassemblies (Common)

Mounting Collar

A22NZ-H-01

Screw terminal block

Contact Blocks

A22NZ-S-G1[]

Push-In Plus Terminal Blocks

Contact Blocks (Single Contact)

A22NZ-S-P1[]

Contact Blocks (Double Contact)

A22NZ-S-P2[]

Accessories and Tools

Protective Cover

A22NZ-A303

Plastic Hole Plug

A22NZ-A-401

Metal Hole Plug

A22NZ-A-402

Lock Ring

A22NZ-A-403

Lock Ring

A22NZ-A-50501

Reinforcement Plate

A22NZ-A-C01

Control Box

A22NZ-A-B01Y

Sealing cap

For Flat Models A22Z-3600F

For projection models A22Z-3600T

For full-guard models A22Z-3600G

Resin Attachment for 30 dia.

A22Z-A30

Legend Plate Frames

General A22NZ-A-50103

Large A22NZ-A-51103

Legend Plates

General A22Z-3443[]-[]

Large A22Z-3453[]

Tightening Wrench

A22NZ-A-301

LED Lamp Extractor

A22NZ-A-302

Cap Tightening Wrench

A22Z-3908

last update: August 1, 2017

OMRON A22NK lineup

last update: August 1, 2017

List of Models

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

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

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

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/ 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

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

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	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	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	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	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	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	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.

Operation Units

Bezel material and shape		Plastic	Brushed metal	Metal	(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
	A22NZ-H-01

Contact Blocks

Appearance	Terminals Specifications	Contact Specification	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

last update: August 1, 2017

• NO. A22NK
• TYPE:Push Buttons / Indicator Lamps φ22(φ25) Type Copyright Statement
• DATE:2021-06-21
• Associated products:
  M2BJ Buzzer (Cylindrical 16-dia.)/Features A22NN / A22NL Pushbutton Switches/Features