A16

Pushbutton Switch (Detachable) (Lighted/Non-Lighted) (Cylindrical 16-dia.)

A16

Separate Construction with Cylindrical 16-dia. Body

Item list of A16

last update: November 10, 2025

List of Models

	Model
	Rectangular		Square		Round
Solder terminals/ tab terminals		A16[]-J Series		A16[]-A Series		A16[]-T Series
PCB terminals		A16[]-J Series		A16[]-A Series		A16[]-T Series
Voltage-reduction lighting Solder terminals/ tab terminals		A16[]-J Series		A16[]-A Series		A16[]-T Series
Screw-less clamp models		A16[]-J Series		A16[]-A Series		A16[]-T Series

Button Colors

The button colors when the buttons are lit and when they are not lit are shown below. Use these colors as reference only.
The actual colors may vary.

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Model Number Structure

Model Number Legend

The model numbers used to order sets of Units are illustrated below. One set comprises the Pushbutton, LED (lighted models only), Case, and Switch. For information on combinations, refer to Ordering Information on below.

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Ordering Information

Ordering as a Set

The model numbers used to order sets of Units are given in the following tables. One set comprises the Pushbutton, LED (lighted models only), Case, and Switch.
Not all combinations are possible. Ask your OMRON representative for details.

Solder Terminal Models

Rectangular Models

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A16-[]J

Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation	Pushbutton color symbol *1
SPDT	LED without Voltage Reduction Unit	5 VDC	A16L-J[]M-5D-1	A16L-J[]A-5D-1	R: red, Y: yellow PY: pure yellow G: green, A: blue W: white, B: black 2 PW: pure white 3
		12 VAC/VDC	A16L-J[]M-12D-1	A16L-J[]A-12D-1
		24 VAC/VDC	A16L-J[]M-24D-1	A16L-J[]A-24D-1
	Non-lighted		A16-J[]M-1	A16-J[]A-1
DPDT	LED without Voltage Reduction Unit	5 VDC	A16L-J[]M-5D-2	A16L-J[]A-5D-2
		12 VAC/VDC	A16L-J[]M-12D-2	A16L-J[]A-12D-2
		24 VAC/VDC	A16L-J[]M-24D-2	A16L-J[]A-24D-2
	Non-lighted		A16-J[]M-2	A16-J[]A-2

*1. Enter the desired color symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
*3. PW (pure white) is available for LED types only.

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Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *1
SPDT	LED without Voltage Reduction Unit	5 VDC	A165L-J[]M-5D-1	A165L-J[]A-5D-1	R: red, Y: yellow PY: pure yellow G: green, A: blue W: white, B: black 2 PW: pure white 3
		12 VAC/VDC	A165L-J[]M-12D-1	A165L-J[]A-12D-1
		24 VAC/VDC	A165L-J[]M-24D-1	A165L-J[]A-24D-1
	Non-lighted		A165-J[]M-1	A165-J[]A-1
DPDT	LED without Voltage Reduction Unit	5 VDC	A165L-J[]M-5D-2	A165L-J[]A-5D-2
		12 VAC/VDC	A165L-J[]M-12D-2	A165L-J[]A-12D-2
		24 VAC/VDC	A165L-J[]M-24D-2	A165L-J[]A-24D-2
	Non-lighted		A165-J[]M-2	A165-J[]A-2

*1. Enter the desired color symbol for the Pushbutton in the [].
*2. Black ("B") Pushbuttons are only available for non-lighted models.
*3. PW (pure white) is available for LED types only.

Square Models

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A16-[]A

Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *1
SPDT	LED without Voltage Reduction Unit	5 VDC	A16L-A[]M-5D-1	A16L-A[]A-5D-1	R: red, Y: yellow PY: pure yellow G: green, A: blue W: white, B: black 2 PW: pure white 3
		12 VAC/VDC	A16L-A[]M-12D-1	A16L-A[]A-12D-1
		24 VAC/VDC	A16L-A[]M-24D-1	A16L-A[]A-24D-1
	Non-lighted		A16-A[]M-1	A16-A[]A-1
DPDT	LED without Voltage Reduction Unit	5 VDC	A16L-A[]M-5D-2	A16L-A[]A-5D-2
		12 VAC/VDC	A16L-A[]M-12D-2	A16L-A[]A-12D-2
		24 VAC/VDC	A16L-A[]M-24D-2	A16L-A[]A-24D-2
	Non-lighted		A16-A[]M-2	A16-A[]A-2

*1. Enter the desired color symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
*3. PW (pure white) is available for LED types only.

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Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *1
SPDT	LED without Voltage Reduction Unit	5 VDC	A165L-A[]M-5D-1	A165L-A[]A-5D-1	R: red, Y: yellow PY: pure yellow G: green, A: blue W: white, B: black 2 PW: pure white 3
		12 VAC/VDC	A165L-A[]M-12D-1	A165L-A[]A-12D-1
		24 VAC/VDC	A165L-A[]M-24D-1	A165L-A[]A-24D-1
	Non-lighted		A165-A[]M-1	A165-A[]A-1
DPDT	LED without Voltage Reduction Unit	5 VDC	A165L-A[]M-5D-2	A165L-A[]A-5D-2
		12 VAC/VDC	A165L-A[]M-12D-2	A165L-A[]A-12D-2
		24 VAC/VDC	A165L-A[]M-24D-2	A165L-A[]A-24D-2
	Non-lighted		A165-A[]M-2	A165-A[]A-2

*1. Enter the desired color symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
*3. PW (pure white) is available for LED types only.

Round Models

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A16[]-T

Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *1
SPDT	LED without Voltage Reduction Unit	5 VDC	A16L-T[]M-5D-1	A16L-T[]A-5D-1	R: red, Y: yellow PY: pure yellow G: green, A: blue W: white, B: black 2 PW: pure white 3
		12 VAC/VDC	A16L-T[]M-12D-1	A16L-T[]A-12D-1
		24 VAC/VDC	A16L-T[]M-24D-1	A16L-T[]A-24D-1
	Non-lighted		A16-T[]M-1	A16-T[]A-1
DPDT	LED without Voltage Reduction Unit	5 VDC	A16L-T[]M-5D-2	A16L-T[]A-5D-2
		12 VAC/VDC	A16L-T[]M-12D-2	A16L-T[]A-12D-2
		24 VAC/VDC	A16L-T[]M-24D-2	A16L-T[]A-24D-2
	Non-lighted		A16-T[]M-2	A16-T[]A-2

*1. Enter the desired color symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
*3. PW (pure white) is available for LED types only.

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Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *1
SPDT	LED without Voltage Reduction Unit	5 VDC	A165L-T[]M-5D-1	A165L-T[]A-5D-1	R: red, Y: yellow PY: pure yellow G: green, A: blue W: white, B: black 2 PW: pure white 3
		12 VAC/VDC	A165L-T[]M-12D-1	A165L-T[]A-12D-1
		24 VAC/VDC	A165L-T[]M-24D-1	A165L-T[]A-24D-1
	Non-lighted		A165-T[]M-1	A165-T[]A-1
DPDT	LED without Voltage Reduction Unit	5 VDC	A165L-T[]M-5D-2	A165L-T[]A-5D-2
		12 VAC/VDC	A165L-T[]M-12D-2	A165L-T[]A-12D-2
		24 VAC/VDC	A165L-T[]M-24D-2	A165L-T[]A-24D-2
	Non-lighted		A165-T[]M-2	A165-T[]A-2

*1. Enter the desired color symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.
*3. PW (pure white) is available for LED types only.

Models with Reduced-voltage Lighting and Solder Terminals

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A16[]-T1

Note: Models with voltage ratings of 200 to 220 VAC/DC (T2 models) are listed with models with screw-less clamp

Item			Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *
Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *
SPDT	LED (with built-in reduced-voltage lighting function)	100/110 VAC/VDC	A16L-△[]M-T1-1	A16L-△[]A-T1-1	R: red, Y: yellow PY: pure yellow G: green, W: white A: blue PW: pure white
DPDT	LED (with built-in reduced-voltage lighting function)	100/110 VAC/VDC	A16L-△[]M-T1-2	A16L-△[]A-T1-2

* Enter the desired shape for the Pushbutton in Δ: J (rectangular), A (square), or T (round). Enter the desired color
symbol for the Pushbutton in the [].

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Item			Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *
Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol *
SPDT	LED (with built-in reduced-voltage lighting function)	100/110 VAC/VDC	A165L-△[]M-T1-1	A165L-△[]A-T1-1	R: red, Y: yellow PY: pure yellow G: green, W: white A: blue PW: pure white
DPDT	LED (with built-in reduced-voltage lighting function)	100/110 VAC/VDC	A165L-△[]M-T1-2	A165L-△[]A-T1-2

* Enter the desired shape for the Pushbutton in Δ: J (rectangular), A (square), or T (round). Enter the desired color
symbol for the Pushbutton in the [].

Screw-less Clamp Models

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A16[]-2S

Item			Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol * 1
Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol * 1
DPDT	LED	5 VDC	A16L-△[]M-5D-2S	A16L-△[]A-5D-2S	R: red, Y: yellow PY: pure yellow G: green, W: white A: blue PW: pure white B: black * 2
		12 VAC/VDC	A16L-△[]M-12D-2S	A16L-△[]A-12D-2S
		24 VAC/VDC	A16L-△[]M-24D-2S	A16L-△[]A-24D-2S
	LED (with built-in reduced-voltage lighting function)	100/110 VAC/VDC	A16L-△[]M-T1-2S	A16L-△[]A-T1-2S
	LED (with built-in reduced-voltage lighting function)	200/220 VAC/VDC	A16L-△[]M-T2-2S	A16L-△[]A-T2-2S
	Non-lighted		A16-△[]M-2S	A16-△[]A-2S

*1. Enter the desired shape for the Pushbutton in Δ: J (rectangular), A (square), or T (round). Enter the desired color
symbol for the Pushbutton in the [].
*2. Black ("B") Pushbuttons are only available for non-lighted models.

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Item			Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol * 1
Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Alternate operation (Self-holding)	Pushbutton color symbol * 1
DPDT	LED	5 VDC	A165L-Δ[]M-5D-2S	A165L-Δ[]A-5D-2S	R: red, Y: yellow PY: pure yellow G: green, W: white A: blue PW: pure white B: black * 2
		12 VAC/VDC	A165L-TYM-12D-2S	A165L-TYA-12D-2S
		24 VAC/VDC	A165L-Δ[]M-24D-2S	A165L-Δ[]A-24D-2S
	LED (with built-in reduced-voltage lighting function)	100/110 VAC/VDC	A165L-Δ[]M-T1-2S	A165L-Δ[]A-T1-2S
	LED (with built-in reduced-voltage lighting function)	200/220 VAC/VDC	A165L-Δ[]M-T2-2S	A165L-Δ[]A-T2-2S
	Non-lighted		A165-Δ[]M-2S	A165-Δ[]A-2S

*1. Enter the desired shape for the Pushbutton in Δ: J (rectangular), A (square), or T (round). Enter the desired color
symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.

Models with PCB Terminals

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A16[]-P

Item			Momentary operation (Self-resetting)	Pushbutton color symbol *1
Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Pushbutton color symbol *1
SPDT	LED	5 VDC	A16L-Δ[]M-5D-1P	R: red Y: yellow PY: pure yellow G: green A: blue W: white B: black *2
		12 VAC/ VDC	A16L-Δ[]M-12D-1P
		24 VAC/ VDC	A16L-Δ[]M-24D-1P
	Non-lighted		A16-Δ[]M-1P
DPDT	LED	5 VDC	A16L-Δ[]M-5D-2P
		12 VAC/ VDC	A16L-Δ[]M-12D-2P
		24 VAC/ VDC	A16L-Δ[]M-24D-2P
	Non-lighted		A16-Δ[]M-2P

Note: Contact your OMRON representative about Selector Switches and Key Selector Switches.
*1. Enter the desired shape for the Pushbutton in Δ: J (rectangular), A (square), or T (round). Enter the desired color
symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.

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Item			Momentary operation (Self-resetting)	Pushbutton color symbol * 1
Output	Lighting	Operating voltage	Momentary operation (Self-resetting)	Pushbutton color symbol * 1
SPDT	LED	5 VDC	A165L-△[]M-5D-1P	R: red Y: yellow PY: pure yellow G: green A: blue W: white B: black * 2
		12 VAC/VDC	A165L-△[]M-12D-1P
		24 VAC/VDC	A165L-△[]M-24D-1P
	Non-lighted		A165-△[]M-1P
DPDT	LED	5 VDC	A165L-△[]M-5D-2P
		12 VAC/VDC	A165L-△[]M-12D-2P
		24 VAC/VDC	A165L-△[]M-24D-2P
	Non-lighted		A165-△[]M-2P

Note: Contact your OMRON representative about Selector Switches and Key Selector Switches.
*1. Enter the desired shape for the Pushbutton in Δ: J (rectangular), A (square), or T (round). Enter the desired color
symbol for the Pushbutton in the [].
*2. Black (“B”) Pushbuttons are only available for non-lighted models.

Illumination Only and Colored Illumination for Models with LEDs

With illumination only, the color of the lighted surface is the same when the LED is lit and when it is not lit.
Example: Red Illumination

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With colored illumination, the color of the lighted surface is white when the LED is not lit and the LED emits another color when it is lit.
Example: Red Illumination

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Ordering: For colored illumination, order the Pushbutton, Case, Lamp, and Switch separately.

Color emitted when lit	Operation Unit	Case	Lamp (LED)		Switch
Red	IP40 A16L-[]W IP66 A165L-[]W Insert one of the following symbols into the box ([]). J: Rectangular A: Square T: Round	IP40 • Momentary: A16-C[]M • Alternate: A16-C[]A IP66 • Momentary: A165-C[]M • Alternate: A165-C[]A Insert one of the following symbols into the box ([]). J: Rectangular (2-way guard) A: Square (2-way guard) T: Round (projected)	A16-[]DSR	Specify one of the following symbols in the box ([]). 5: 5 VDC 12: 12 VAC/VDC 24: 24 VAC/VDC	Refer to Data Sheet. Any Switch can be mounted.
Yellow			A16-[]DSY
Green			A16-[]DSG
Blue			A16-[]DA

Ordering Individually

Pushbuttons, Lamps, Cases, and Switches can be ordered separately. Combinations that are not available as sets can be created using individual Units. Also, store the parts as spares for maintenance and repairs.

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Units

Select a Pushbutton Unit (Pushbutton and Case) and a Switch Unit (Lamp and Switch).

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Unit Sets

Sets that combine an Operation Unit and a Case.

Operation Unit

Appearance	Classification			Model
	IP40	Momentary operation	Rectangular (2-way guard)	A16-J[]M
			Square (2-way guard)	A16-A[]M
			Round (projected)	A16-T[]M
		Alternate operation	Rectangular (2-way guard)	A16-J[]A
			Square (2-way guard)	A16-A[]A
			Round (projected)	A16-T[]A
	Oil-resistant IP66	Momentary operation	Rectangular (2-way guard)	A165-J[]M
			Square (2-way guard)	A165-A[]M
			Round (projected)	A165-T[]M
		Alternate operation	Rectangular (2-way guard)	A165-J[]A
			Square (2-way guard)	A165-A[]A
			Round (projected)	A165-T[]A

Insert one of the following symbols into the box ([]).

Symbol	Color	Remarks
R	Red	LED indicator or non-lighted
Y	Yellow
PY	Pure yellow
A	Blue
W	White*
GY	Green	LED only
G	Green	Non-lighted only
B	Black	Non-lighted only

* Use this pushbutton color if the illumination color of the LED is white or pure white.

Unit Sets

Sets that combine a Switch and a Lamp.

Switch Units with LED Lamps

Appearance	Classification			Model
	Standard loads and microloads	Solder terminals	SPDT	A16L-Δ-[]-1
		Solder terminals	DPDT	A16L-Δ-[]-2
		PCB terminals	SPDT	A16L-Δ-[]-1P
		PCB terminals	DPDT	A16L-Δ-24D-2P

Switch Units with Voltage-reduction Lighting (Soldered Terminals)

Appearance	Classification		Operating voltage	Model
	Standard loads and microloads	SPDT	100/110 VAC/VDC	A16L-△-T1-1
	Standard loads and microloads	DPDT	100/110 VAC/VDC	A16L-△-T1-2

Note: An LED rated 24 VAC/VDC is built-in.

Switch Units with Screw-less Clamp Connectors

Appearance	Classification					Model
	Standard loads and microloads	DPDT	Non-lighted			A16-2S
			Lighted	No voltage-reduction lighting		A16L-△-[]-2S
				Voltage-reduction lighting Note.	100/110 VAC/VDC	A16L-△-T1-2S
				Voltage-reduction lighting Note.	200/220 VAC/VDC	A16L-△-T2-2S

Note: The 100-V models and 200-V models an LED rated 24 VAC/VDC is built-in.

Insert symbols in Δ and [].

Δ

Symbol	Color
R	Red
Y	Yellow
G	Green
W	White
A	Blue

Note: If the Pushbutton is pure yellow (PY), use white (W) for the Switch Unit.

[]

Symbol	Type	Operating voltage
5D	LED	5 VDC
12D		12 VAC/VDC
24D		24 VAC/VDC

Note: If the Pushbutton is pure yellow (PY), use white (W) for the Switch Unit.

Ordering Individually

Pushbuttons, Lamps, Cases, and Switches can be ordered separately. Combinations that are not available as sets can be created using individual Units. Also, store the parts as spares for maintenance and repairs.

Pushbuttons

LED

Degree of protection	IP40			Oil-resistant IP66
Color	Rectangular	Square	Round	Rectangular	Square	Round
Red	A16L-JR	A16L-AR	A16L-TR	A165L-JR	A165L-AR	A165L-TR
Yellow	A16L-JY	A16L-AY	A16L-TY	A165L-JY	A165L-AY	A165L-TY
Pure yellow	A16L-JPY	A16L-APY	A16L-TPY	A165L-JPY	A165L-APY	---
Green	A16L-JGY	A16L-AGY	A16L-TGY	A165L-JGY	A165L-AGY	A165L-TGY
White *	A16L-JW	A16L-AW	A16L-TW	A165L-JW	A165L-AW	A165L-TW
Blue	A16L-JA	A16L-AA	A16L-TA	A165L-JA	A165L-AA	A165L-TA

* Use this pushbutton color if the illumination color of the LED is white or pure white.

Non-lighted

Degree of protection	IP40			Oil-resistant IP66
Color	Rectangular	Square	Round	Rectangular	Square	Round
Red	A16L-JR	A16L-AR	A16L-TR	A165L-JR	A165L-AR	A165L-TR
Yellow	A16L-JY	A16L-AY	A16L-TY	A165L-JY	A165L-AY	A165L-TY
Pure yellow	A16L-JPY	A16L-APY	A16L-TPY	A165L-JPY	A165L-APY	A165L-TPY
Green	A16L-JG	A16L-AG	A16L-TG	A165L-JG	A165L-AG	A165L-TG
White	A16L-JW	A16L-AW	A16L-TW	A165L-JW	A165L-AW	A165L-TW
Blue	A16L-JA	A16L-AA	A16L-TA	A165L-JA	A165L-AA	A165L-TA
Black	A16L-JB	A16L-AB	A16L-TB	A165L-JB	A165L-AB	A165L-TB

Lamps

LED

Operating voltage	High brightness
Light color	5 VDC	12 VAC/VDC	24 VAC/VDC
Red	A16-5DSR	A16-12DSR	A16-24DSR
Yellow	A16-5DSY	A16-12DSY	A16-24DSY
Green	A16-5DSG	A16-12DSG	A16-24DSG
White *	A16-5DSW	A16-12DSW	A16-24DSW
Blue	A16-5DA	A16-12DA	A16-24DA
Pure white	A16-5DPW	A16-12DPW	A16-24DPW

Note: 1. If an LED lamp with normal brightness is needed, select a Lamp used in the A3C.
2. For voltage-reduction lighting use the A16-24D[]. Only 24 VAC/VDC LED lamps can be used.
* Use the white LED together with white or pure yellow Pushbuttons.

Cases

Appearance	Classification			Model
	IP40	Momentary operation	Rectangular (2-way guard)	A16-CJM
			Square (2-way guard)	A16-CAM
			Round (projected)	A16-CTM
		Alternate operation	Rectangular (2-way guard)	A16-CJA
			Square (2-way guard)	A16-CAA
			Round (projected)	A16-CTA
	Oil-resistant IP66	Momentary operation	Rectangular (2-way guard)	A165-CJM
			Square (2-way guard)	A165-CAM
			Round (projected)	A165-CTM
		Alternate operation	Rectangular (2-way guard)	A165-CJA
			Square (2-way guard)	A165-CAA
			Round (projected)	A165-CTA

Switches

Appearance	Classification			Model
Solder terminal	Lighted/non-lighted (common use)	Standard load/microload (common use)	SPDT	A16-1
Solder terminal			DPDT	A16-2
PCB terminal			SPDT	A16-1P
PCB terminal			DPDT	A16-2P
Screw-less Clamp			DPDT	A16-2S

Switches with Reduced-voltage Lighting

Appearance	Classification			Model
Solder terminal	100 V	Standard load/microload (common use)	SPDT	A16-T1-1
Solder terminal	100 V		DPDT	A16-T1-2
Screw-less Clamp	100 V		DPDT	A16-T1-2S
Screw-less Clamp	200 V		DPDT	A16-T2-2S

Note: For a Switch with Reduced-voltage Lighting, use the A16-24D[].

Accessories, Replacements, and Tools

Accessories

Name	Appearance	Classification	Model	Remarks
Switch Guards		For rectangular models	A16ZJ-5050	Cannot be used with the Dust Cover.
Switch Guards		For square and round models	A16ZA-5050	Cannot be used with the Dust Cover.
Dust Covers		For rectangular models	A16ZJ-5060	Cannot be used with the Switch Guard. Can be operated with the Dust Cover attached.
		For square models	A16ZA-5060
		For round models	A16ZT-5060
Panel Plugs		For rectangular models	A16ZJ-3003	Used for covering the panel cutouts for future panel expansion. Protective structure: IP40 Color: Black
		For square models	A16ZA-3003
		For round models	A16ZT-3003

Replacements

Name	Appearance	Classification		Model	Remarks
Legend Plates		Rectangular	Milky	A16ZJ-5204	A Legend Plate is provided as a standard feature with the Operation Unit. However, if the Operation Unit is black (non-lighted models only), a Legend Plate is not provided.
		Square	Milky	A16ZA-5204
		Round	Milky	A16ZT-5204
Color Caps (for IP40)		LED lamp/nonlighted	White	A16Z[]-5001W	Insert one of the following letters into the box ([]). J: Rectangular A: Square T: Round The Color Cap is usually supplied. Replace the Cap if the color is to be changed. When using an LED indicator, be sure to use a Color Cap that matches the luminescent color of the LED. The materials used for the IP40 and oil-resistant IP66 are different so be sure to use a Color Cap that matches the specifications of the Switch. • Not all combinations are possible.
			Red	A16Z[]-5001R
			Yellow	A16Z[]-5001Y
			Pure yellow	A16Z[]-5001PY
			Blue	A16Z[]-5001A
		LED lamp	Green	A16Z[]-5001GY
		Non-lighted	Green	A16Z[]-5001G
		Non-lighted	Black	A16Z[]-5011B
Non- lighted Color Caps (for oil- resistant IP66)		LED lamp/nonlighted	White	A16Z[]-5101W
			Red	A16Z[]-5101R
			Yellow	A16Z[]-5101Y
			Pure yellow	A16Z[]-5101PY
			Blue	A16Z[]-5101A
		LED lamp	Green	A16Z[]-5101GY
		Non-lighted	Green	A16Z[]-5101G
		Non-lighted	Black	A16Z[]-5111B

Tools

Name	Appearance	Model	Appllicable types					Remarks
Name	Appearance	Model	Push- button Switch	Knob-type Selector Switch	Key-type Selector Switch	Emergency Stop Switch	Indicator	Remarks
Operation Unit Extractor		A3PJ-5080	●	--	--	--	●	Convenient for extracting Pushbutton Switches
Screw Fitting		A16Z-3004	●	●	●	●	●	Convenient for ganged installation.
Socket Unit lamp Extractor		A16Z-5080	●	●	●	●	●	Convenient for extracting the Switch and lamps.

last update: November 10, 2025

Product Category

Switches
- Push Buttons / Indicator Lamps
  - φ16 Type
    - A16
    - A165S / W
    - A165K
    - M16
    - M2BJ

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