A22 Pushbutton Switch (Cylindrical 22/25-dia.)/ Lineup

Pushbutton Switch (Cylindrical 22/25-dia.)

A22

Install in 22-dia. or 25-dia. Panel Cutout (When Using a Ring)

Model Number Structure

Model Number Legend

Shipped as a set which includes the Pushbutton, Lamp (lighted type only), and Switch.
For information on combinations, refer to Ordering Information on below.

Ordering Information

Completely Assembled

Shipped as a set which includes the Pushbutton, LED (lighted type only), and Switch.

Non-lighted (Round Type)

Operation		Momentary operation (self-resetting)	Alternate operation (self-holding)	Illumination color
Appearance	Output	Set	Set	Illumination color
Round/Half-guard type A22-H	SPST-NO	A22-H[]-10M	A22-H[]-10A	R (red) Y (yellow) G (green) W (white) A (blue) B (black)
	SPST-NC	A22-H[]-01M	A22-H[]-01A
	SPST-NO + SPST-NC	A22-H[]-11M	A22-H[]-11A
	SPST-NO + SPST-NO	A22-H[]-20M	A22-H[]-20A
	SPST-NC + SPST-NC	A22-H[]-02M	A22-H[]-02A
Round/Small-size Mushroom type (30-dia. head) A22-S	SPST-NO	A22-S[]-10M	---
	SPST-NC	A22-S[]-01M
	SPST-NO + SPST-NC	A22-S[]-11M
	SPST-NO + SPST-NO	A22-S[]-20M
	SPST-NC + SPST-NC	A22-S[]-02M

Note: The contact ratings are for standard loads.

Non-lighted (Square Type)

Operation		Momentary operation (self-resetting)	Alternate operation (self-holding)	Illumination color
Appearance	Output	Set	Set	Illumination color
Square/Projection type A22-C	SPST-NO	A22-C[]-10M	A22-C[]-10A	R (red) Y (yellow) G (green) W (white) A (blue) B (black)
	SPST-NC	A22-C[]-01M	A22-C[]-01A
	SPST-NO + SPST-NC	A22-C[]-11M	A22-C[]-11A
	SPST-NO + SPST-NO	A22-C[]-20M	A22-C[]-20A
	SPST-NC + SPST-NC	A22-C[]-02M	A22-C[]-02A
Square/Guard type A22-D	SPST-NO	A22-D[]-10M	A22-D[]-10A
	SPST-NC	A22-D[]-01M	A22-D[]-01A
	SPST-NO + SPST-NC	A22-D[]-11M	A22-D[]-11A
	SPST-NO + SPST-NO	A22-D[]-20M	A22-D[]-20A
	SPST-NC + SPST-NC	A22-D[]-02M	A22-D[]-02A

Note: The contact ratings are for standard loads.

Lighted (Round Type)

Operation				Momentary operation (self-resetting)	Alternate operation (self-holding)	Illumination color
Appearance	Output	Lighting	Operating voltage	Set	Set	Illumination color
Round/Half-guard type LED lighting (without Voltage Reduction Unit) A22L-H	SPST-NO	LED	24 VAC/ VDC	A22L-H[]-24A-10M	A22L-H[]-24A-10A	R (red) G (green) W (white) A (blue)
	SPST-NC			A22L-H[]-24A-01M	A22L-H[]-24A-01A
	SPST-NO + SPST-NC			A22L-H[]-24A-11M	A22L-H[]-24A-11A
	SPST-NO + SPST-NO			A22L-H[]-24A-20M	A22L-H[]-24A-20A
	SPST-NC + SPST-NC			A22L-H[]-24A-02M	A22L-H[]-24A-02A
Round/Half-guard type LED voltage- reduction lighting (with Voltage Reduction Unit) A22L-H	SPST-NO		100 VAC	A22L-H[]-T1-10M	A22L-H[]-T1-10A
	SPST-NO		200 VAC	A22L-H[]-T2-10M	A22L-H[]-T2-10A
	SPST-NC		100 VAC	A22L-H[]-T1-01M	A22L-H[]-T1-01A
	SPST-NC		200 VAC	A22L-H[]-T2-01M	A22L-H[]-T2-01A
	SPST-NO + SPST-NC		100 VAC	A22L-H[]-T1-11M	A22L-H[]-T1-11A
	SPST-NO + SPST-NC		200 VAC	A22L-H[]-T2-11M	A22L-H[]-T2-11A
	SPST-NO + SPST-NO		100 VAC	A22L-H[]-T1-20M	A22L-H[]-T1-20A
	SPST-NO + SPST-NO		200 VAC	A22L-H[]-T2-20M	A22L-H[]-T2-20A
	SPST-NC + SPST-NC		100 VAC	A22L-H[]-T1-02M	A22L-H[]-T1-02A
	SPST-NC + SPST-NC		200 VAC	A22L-H[]-T2-02M	A22L-H[]-T2-02A

Note: The contact ratings are for standard loads.

Lighted (Square Type)

Operation				Momentary operation (self-resetting)	Alternate operation (self-holding)	Illumination color
Appearance	Output	Lighting	Operating voltage	Set	Set	Illumination color
Square/Projection type LED lighting (without Voltage Reduction Unit) A22L-C	SPST-NO	LED	24 VAC/ VDC	A22L-C[]-24A-10M	A22L-C[]-24A-10A	R (red) Y (yellow) G (green) W (white) A (blue)
	SPST-NC			A22L-C[]-24A-01M	A22L-C[]-24A-01A
	SPST-NO + SPST-NC			A22L-C[]-24A-11M	A22L-C[]-24A-11A
	SPST-NO + SPST-NO			A22L-C[]-24A-20M	A22L-C[]-24A-20A
	SPST-NC + SPST-NC			A22L-C[]-24A-02M	A22L-C[]-24A-02A
Square/Projection type LED voltage- reduction lighting (with Voltage Reduction Unit) A22L-C	SPST-NO		100 VAC	A22L-C[]-T1-10M	A22L-C[]-T1-10A
	SPST-NO		200 VAC	A22L-C[]-T2-10M	A22L-C[]-T2-10A
	SPST-NC		100 VAC	A22L-C[]-T1-01M	A22L-C[]-T1-01A
	SPST-NC		200 VAC	A22L-C[]-T2-01M	A22L-C[]-T2-01A
	SPST-NO + SPST-NC		100 VAC	A22L-C[]-T1-11M	A22L-C[]-T1-11A
	SPST-NO + SPST-NC		200 VAC	A22L-C[]-T2-11M	A22L-C[]-T2-11A
	SPST-NO + SPST-NO		100 VAC	A22L-C[]-T1-20M	A22L-C[]-T1-20A
	SPST-NO + SPST-NO		200 VAC	A22L-C[]-T2-20M	A22L-C[]-T2-20A
	SPST-NC + SPST-NC		100 VAC	A22L-C[]-T1-02M	A22L-C[]-T1-02A
	SPST-NC + SPST-NC		200 VAC	A22L-C[]-T2-02M	A22L-C[]-T2-02A

Note: The contact ratings are for standard loads.

Operation				Momentary operation (self-resetting)	Alternate operation (self-holding)	Illumination color
Appearance	Output	Lighting	Operating voltage	Set	Set	Illumination color
Square/Full-guard type LED lighting (without Voltage Reduction Unit) A22L-D	SPST-NO	LED	24 VAC/ VDC	A22L-D[]-24A-10M	A22L-D[]-24A-10A	R (red) Y (yellow) G (green) W (white) A (blue)
	SPST-NC			A22L-D[]-24A-01M	A22L-D[]-24A-01A
	SPST-NO + SPST-NC			A22L-D[]-24A-11M	A22L-D[]-24A-11A
	SPST-NO + SPST-NO			A22L-D[]-24A-20M	A22L-D[]-24A-20A
	SPST-NC + SPST-NC			A22L-D[]-24A-02M	A22L-D[]-24A-02A
Square/Full-guard type LED voltage- reduction lighting (with Voltage Reduction Unit) A22L-D	SPST-NO		100 VAC	A22L-D[]-T1-10M	A22L-D[]-T1-10A
	SPST-NO		200 VAC	A22L-D[]-T2-10M	A22L-D[]-T2-10A
	SPST-NC		100 VAC	A22L-D[]-T1-01M	A22L-D[]-T1-01A
	SPST-NC		200 VAC	A22L-D[]-T2-01M	A22L-D[]-T2-01A
	SPST-NO + SPST-NC		100 VAC	A22L-D[]-T1-11M	A22L-D[]-T1-11A
	SPST-NO + SPST-NC		200 VAC	A22L-D[]-T2-11M	A22L-D[]-T2-11A
	SPST-NO + SPST-NO		100 VAC	A22L-D[]-T1-20M	A22L-D[]-T1-20A
	SPST-NO + SPST-NO		200 VAC	A22L-D[]-T2-20M	A22L-D[]-T2-20A
	SPST-NC + SPST-NC		100 VAC	A22L-D[]-T1-02M	A22L-D[]-T1-02A
	SPST-NC + SPST-NC		200 VAC	A22L-D[]-T2-02M	A22L-D[]-T2-02A

Note: The contact ratings are for standard loads.

Subassembled

The Pushbutton, Lamp, or Switch can be ordered separately. Use them in combination for models that are not available as assembled Units. These can also be used as inventory for aintenance parts.

Pushbutton

Non-lighted

Sealing	IP65 oil-resistant models
Appearance	Half-guard type	Round/Mushroom type (30-dia. head)	Square/Projection type	Square/Full-guard type
Color	Model	Model	Model	Model
Red	A22-HR	A22-SR	A22-CR	A22-DR
Green	A22-HG	A22-SG	A22-CG	A22-DG
Yellow	A22-HY	A22-SY	A22-CY	A22-DY
White	A22-HW	A22-SW	A22-CW	A22-DW
Blue	A22-HA	A22-SA	A22-CA	A22-DA
Black	A22-HB	A22-SB	A22-CB	A22-DB

Lighted

Sealing	IP65
Appearance	Half-guard type	Square/Projection type	Square/Full-guard type
Color	Model	Model	Model
Red	A22L-HR	A22L-CR	A22L-DR
Green	A22L-HG	A22L-CG	A22L-DG
Yellow	A22L-HY	A22L-CY	A22L-DY
White	A22L-HW	A22L-CW	A22L-DW
Blue	A22L-HA	A22L-CA	A22L-DA

Lamp

LED Lamp

Operating voltage			6 VAC/VDC	12 VAC/VDC	24 VAC/VDC
Appearance		LED light	Model	Model	Model
	AC and DC	Red	A22-6AR	A22-12AR	A22-24AR
		Green	A22-6AG	A22-12AG	A22-24AG
		*Yellow 2**	A22-6AY	A22-12AY	A22-24AY
		Blue	A22-6AA	A22-12AA	A22-24AA

*1. For voltage-reduction lighting, use the A22-24A[]. Only 24-V LED lamps can be used.
*2. Used when the Pushbutton color is yellow or white.

Switch (Standard Load)

No Voltage Reduction Unit

Classification Appearance		Non-lighted		Lighted
Operation		Momentary	Alternate	Momentary	Alternate
Contacts		Model	Model	Model	Model
Standard load	SPST-NO	A22-10M	A22-10A	A22L-10M	A22L-10A
	SPST-NC	A22-01M	A22-01A	A22L-01M	A22L-01A
	SPST-NO + SPST-NC	A22-11M	A22-11A	A22L-11M	A22L-11A
	SPST-NO + SPST-NO	A22-20M	A22-20A	A22L-20M	A22L-20A
	SPST-NC + SPST-NC	A22-02M	A22-02A	A22L-02M	A22L-02A

Voltage Reduction Unit

Classification Appearance		110 VAC, Lighted		220 VAC, Lighted
Operation		Momentary	Alternate	Momentary	Alternate
Contacts		Model	Model	Model	Model
Standard load	SPST-NO	A22L-10M-T1	A22L-10A-T1	A22L-10M-T2	A22L-10A-T2
	SPST-NC	A22L-01M-T1	A22L-01A-T1	A22L-01M-T2	A22L-01A-T2
	SPST-NO + SPST-NC	A22L-11M-T1	A22L-11A-T1	A22L-11M-T2	A22L-11A-T2
	SPST-NO + SPST-NO	A22L-20M-T1	A22L-20A-T1	A22L-20M-T2	A22L-20A-T2
	SPST-NC + SPST-NC	A22L-02M-T1	A22L-02A-T1	A22L-02M-T2	A22L-02A-T2

*1. A DPST-NO model is shown here as an example.
*2. For a model with a Voltage Reduction Unit, use the A22-24A[]. Only 24-V LED lamps can be used.

Accessories (Order Separately)

Accessories

Item		Appearance	Classification			Model	Remarks
Switch Blocks			SPST-NO		Standard load	A22-10	Order Switch Blocks to add an SPST-NO (A22-10) or SPST-NC (A22-01) Switch Block (for standard loads) or to replace a Switch Block. An A22Z-3003 Three-throw Spacer is required　to mount three Non-lighted Switch Units.
					Microload	A22-10S
			SPST-NC		Standard load	A22-01
					Microload	A22-01S
			DPST-NO		Standard load	A22-20
					Microload	A22-20S
			DPST-NC		Standard load	A22-02
					Microload	A22-02S
			SPST-NO + SPST-NC		Standard load	A22-11
					Microload	A22-11S
Lamp Sockets			Direct lighting			A22-TN
			Voltage- reduction lighting		110 VAC	A22-T1	Used when changing the lighting method. (LED only)
					220 VAC	A22-T2
Mounting Latches			For momentary models			A22-3200	Provided as standard. Order Mounting Latches only when mounting Switch Blocks or Lamp Sockets that are purchased individually.
			For alternate models			A22-3210
Legend Plate Frames	Standard size		With Snap- in Legend Plate (Without text)		White	A22Z-3321	Snap-in Legend Plate is acrylic.
					Red	A22Z-3322
					Black	A22Z-3323
			Without Snap-in Legend Plate			A22Z-3320
	Large size		With Snap- in Legend Plate (Without text)		White	A22Z-3331	Snap-in Legend Plate is acrylic.
					Red	A22Z-3332
					Black	A22Z-3333
			Without Snap-in Legend Plate			A22Z-3330
Lock Ring			Round			A22Z-3360	This Lock Ring is used when a more secure lock feature is required.
Metallic Bezel Rings			For flat or projection models			A22Z-3580	Replace with the standard model. Material: Copper alloy-Nickel chrome plating Cannot be used with the M22.
			For full-guard models			A22Z-3582
Sealing Caps			For flat models			A22Z-3600F	Used to prevent dust or water from entering the Operation Unit (Pushbutton, etc.). Color: opaque Material: silicon
			For projection models			A22Z-3600T
			For full-guard models			A22Z-3600G
Color Caps			Red			A22Z-30TR	Used for changing the Pushbutton color of the (round) Pushbutton Switches. Cannot be used, however, with Half-guard Switches.
			Green			A22Z-30TG
			Yellow			A22Z-30TY
			White			A22Z-30TW
			Blue			A22Z-30TA
Caps	For A22		For projection, full-guard, or half-guard models			A22Z-3490	Material: polycarbonate resin
	For M22		For round models			A22Z-3495
Three-throw Spacer			---			A22Z-3003	Used when mounting three Nonlighted Switches. Cannot be used withAlternate, Emergency Stop, Knob-type Selector, Key- type Selector, or Mushroom- type Switches.
Hole Plug			Round			A22Z-3530	Can be plugged into pre-cut panel holes for future expansion. The color is black. Color: Black
Control Boxes (Enclosures)			One hole			A22Z-B101	For those designed A22Z-B1[], DPST-NO or DPST-NC Switches cannot be used. A22Z-B2[] Control Boxes, A22- series alternate operation models, and DPST-NO, DPST-NC, and SPST-NO + SPST-NC contacts cannot be used. Material: Polycarbonate resin
						A22Z-B201
			One hole, yellow box			A22Z-B101Y
						A22Z-B201Y
			Two holes			A22Z-B102
						A22Z-B202
			Three holes			A22Z-B103
						A22Z-B203
Connectors			Applicable cable diameter (mm)		7 to 9 dia.	A22Z-3500-1	Plastic connector used to extend a cable from the Switch Box.
					9 to 11 dia.	A22Z-3500-2
25-dia. Ring			---			A22Z-R25	Use when mounting to a panel with a 25-dia. hole. For details, refer to Catalog. Since this is not attached to the main body, order separately.
30-dia. Resin Attachment			Round			A22Z-A30	Use when mounting to a panel with a 30-dia. hole. For details, refer to Catalog.
Lock Plate			---			A22Z-3380	Use to fix the lever on the Switch.
Simple Protective Cover			---			A22Z-3700	Prevents foreign matter entering into the Switch from the back of the panel.
Item		Appearance	Classification			Model	Remarks
Snap- in Legend Plates	Standard size		Without text	Black		A22Z-3443B	Attached to the Standard-size Legend Plate Frame. (See Catalog.) Material: Acrylic
				Red		A22Z-3443R
				White		A22Z-3443W
				Transparent		A22Z-3443C
			With text	White text on red background	○	A22Z-3443R-2
					STOP	A22Z-3443R-4
				White text on black background	\|	A22Z-3443B-1
					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 size		Without text	Black		A22Z-3453B	Used as an Emergency Stop Switch Legend Plate. (See Catalog.) Material: Acrylic
				Red		A22Z-3453R
				White		A22Z-3453W
				Transparent		A22Z-3453C
	For Emer- gency Stop Switch		Black text on yellow back- ground	60-dia. round plate with black letters on a yellow background		A22Z-3466-1	EMERGENCY STOP is engraved on the plate. Used as an Emergency Stop Switch Legend Plate
				90-dia. round plate with black letters on a yellow background		A22Z-3476-1
Character Films			No print (Round)			A22Z-3460	After printing on a film, affix to the indicator plate of the Lighted Pushbutton Switch. (The back is coated with adhesive.)
			Character print (Round)	\|		A22Z-3460-1
				○		A22Z-3460-2
				START		A22Z-3460-3
				STOP		A22Z-3460-4
			No print (Square)			A22Z-3480

Tools

Item	Appearance	Classification	Model	Remarks
Lamp Extractor		---	A22Z-3901	Rubber tool used to easily replace Lamps
Tightening Wrench		---	A22Z-3905	Used to tighten mounting nuts from the back of the panel and to replace the cap of the Lighted Emergency Switch.
Cap Tightening Tool		---	A22Z-3908	Used for replacing the cap of the Half-guard Pushbutton Switch.
Cap Puller		---	A3PJ-5080	Used for removing the cap from the Pushbutton of the Square Lighted Pushbutton Switch.

Product Category

Switches

Push Buttons / Indicator Lamps

φ22(φ25) Type

A22NK

A22NN / A22NL

A22NS / A22NW

M22N

A22

A22[]

M22

A22