Omron, A3P Series

• Excellent operating sensitivity.

• Excellent illumination with even surface brightness.

• Three-color models (green, orange, red; chameleon lighting) included in lineup.

Ratings

Contact Ratings

Silver Alloy Contacts (for Standard Loads)

Rated voltage (V)	Non-inductive load (A)				Inductive load (A)
	Resistive load		Lamp load		Inductive load		Motor load
	NC	NO	NC	NO	NC	NO	NC	NO
125 VAC 250 VAC	5 3		0.7 0.5		3 2		1.3 0.8
8 VDC 14 VDC 30 VDC 125 VDC 250 VDC	5 5 4 0.4 0.2		2 2 2 0.05 0.03		4 4 3 0.4 0.2		3 3 3 0.05 0.03

Note: 1. The above values are for steady-state currents.
2. Inductive load: Power factor = 0.4; time constant = 7 ms.
3. The lamp load has an inrush current of 10 times the steady-state current.
4. The motor load has an inrush current of 6 times the steady-state current.
Standard testing condition
(1) Ambient temperature: 20 ± 2°C
(2) Ambient humidity: 65 ± 5%RH
(3) Operating frequency: 20 times/min.

Gold Alloy Contacts (for Microloads)

Rated voltage (V)	0.1 A at 30 VDC (resistive load); 0.1 A at 125 VAC (resistive load)
Minimum applicable load	1 mA at 5 VDC

LED and Incandescent Lamp Ratings

LED for LED-lighted Models

Model		A3PJ/M2PJ		A3PA/M2PA
Model		Rated current		Rated current
Applied voltage	Rated voltage	Single screen	2-split screen	Single screen	2-split screen
5 VDC ±5%	5 VDC	80 mA	---	80 mA	---
12 VDC ±5%	12 VDC	40 mA	---	40 mA	---
24 VDC ±5%	24 VDC	20 mA	15 mA × 2	20 mA	13 mA × 2

LED for Chameleon Models

Applied voltage	Rated voltage	Rated current
Applied voltage	Rated voltage	Green	Red
12 VDC ± 5%	12 VDC	26 mA	20 mA
24 VDC ± 5%	24 VDC	13 mA	10 mA

Incandescent Lamp

Item		Standard lamp		Low-power lamp
Applied voltage	Rated voltage	Rated current	Model	Rated current	Model
5 VDC	6 V	200 mA	SLL-06	100 mA	SLL-06H
12 VDC	14 V	80 mA	SLL-14	40 mA	SLL-14H
24 VDC	28 V	40 mA	SLL-28	25 mA	SLL-28H

LED Lamp (for LED Lamp-lighted Models)

Type	Applied voltage	Rated voltage	Rated current	Model
DC only	5 VDC ± 5%	5 VDC	30 mA	SLL-05E[]
	12 VDC ± 5%	12 VDC	15 mA	SLL-12E[]
	24 VDC ± 5%	24 VDC	12.5 mA	SLL-24E[]

Characteristics

Operating frequency		Mechanical	120 operations/minute max. *1
Operating frequency		Electrical	30 operations/minute max.
Insulation resistance			100 MΩ min. (at 500 VDC)
Contact resistance	Standard load		40 mΩ max. (initial value)
Contact resistance	Microload		40 mΩ max. (initial value)
Dielectric strength	Between terminals of same polarity		1,000 VAC, 50/60 Hz for 1 minute *2
	Between terminals of different polarity		2,000 VAC, 50/60 Hz for 1 minute
	Between current-carrying metal part and ground		2,000 VAC, 50/60 Hz for 1 minute
	Between each terminal and non-current-carrying metal part		2,000 VAC, 50/60 Hz for 1 minute
	Between lamp terminals		1,000 VAC, 50/60 Hz for 1 minute *3
Vibration resistance		Malfunction	10 to 55 Hz, 1.5 mm double amplitude (1 ms max.)
Shock resistance		Destruction	500 m/s² max.
Shock resistance		Malfunction	200 m/s² max. (1 ms max.)
Life expectancy		Mechanical	Momentary operation models: 1,000,000 operations min. Alternate operation models: 200,000 operations min. (One operation consists of set and reset operations.)
Life expectancy		Electrical	100,000 operations min.
Weight			Approx. 30 g
Inrush current		NC	Silver contact: 10 A max.
Inrush current		NO	Silver contact: 10 A max.
Ambient operating temperature			LED-lighted models: -10°C to 40°C (with no icing or condensation) Incandescent lamp-lighted models: -10°C to 50°C (with no icing or condensation)
Ambient operating humidity			35% to 85%RH
Ambient storage temperature			-25°C to 65°C
Degree of protection			IP40
Electric shock protection class			Class II
PTI (proof tracking index)			175
Pollution degree			3 (IEC947-5-1)

*1. With alternate operation models, 60 operations/minute max. One operation cycle consists of set and reset operations.
*2. 600 VAC for microloads.
*3. With no incandescent lamp or LED lamp mounted.

Operating Characteristics

Model		A3PJ series		A3PA series		A3PT series
Operating Characteristics		Momentary operation models	Alternate operation models	Momentary operation models	Alternate operation models	Momentary operation models	Alternate operation models
Operating force	OF max.	5.88 N	6.86 N	5.88 N	6.86 N	3.92 N	4.90 N
Releasing force	RF min.	0.39 N	0.29 N	0.39 N	0.29 N	0.39 N	0.29 N
Total travel	TT	Approx. 3.5 mm	Approx. 3.5 mm	Approx. 3.5 mm	Approx. 3.5 mm	Approx. 3.5 mm	Approx. 3.5 mm
Pretravel	PT max.	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Lock travel alternate	LTA min.	---	0.5 mm	---	0.5 mm	---	0.5 mm

The Dimension shows 2-switch outputs.

A3PJ (Rectangular) Models

A3PA (Square) Models

A3PT (Round) Models

Note: The thickness of tab terminals #110 and solder terminals is 0.5 mm.

Panel Cutout

(If using a Switch Guard or Seal Cover, refer to the panel cutout diagrams on Data Sheet.)

A3PJ (Rectangular) Models

Please click image to enlarge (open in a new window).

Note: 1. n: Number of Units
2. Recommended panel thickness: 1 to 5 mm
3. Mount the panel before mounting the Switch Guard.
4. If the panel is to be finished (e.g., coated), make sure that the panel meets the specified dimensions after the
coating.

A3PA (Square) Models

Please click image to enlarge (open in a new window).

A3PT (Round) Models

Note: 1. Recommended panel thickness: 1 to 5 mm
2. If the panel is to be finished (e.g., coated), make sure that the panel meets the specified dimensions after the
coating.

Accessory Mounting Dimensions

Legend Plate

Rectangular Models
A3PJ-5201/-5202

Square Models
A3PA-5201/-5202

Extractor

A3PJ-5080

Socket-mounting Dimensions

Rectangular Models A3PJ (M2PJ)

Wire-wrap Terminal
A3PJ-4101

PCB Terminal
A3PJ-4102

Solder Terminal
A3PJ-4103

Square Models A3PA (M2PA)

Wire-wrap Terminal
A3PA-4101

PCB Terminal
A3PA-4102

Solder Terminal
A3PA-4103

Note: PCB cutout dimensions show the switch mounted to the socket with the OMRON logo facing down.

Switch and Guard Mounting Dimensions

Rectangular Models
A3PJN-5050 (Horizontal Mounting)
A3PJN-5055 (Vertical Mounting)

Square Models
A3PAN-5050 (Horizontal Mounting)
A3PAN-5055 (Vertical Mounting)

Seal Cover Mounting Dimensions

Rectangular Models
A3PJ-5060

Square Models
A3PA-5060

Note: 1. Recommended panel thickness: 1 to 5 mm
2. Unless otherwise specified, a tolerance of ± 0.4 mm applies to all dimensions.

TITLE	DOCUMENT TYPE	SIZE
A3P Series	Catalog	2869 KB

Ratings

Contact Ratings

Silver Alloy Contacts (for Standard Loads)

Gold Alloy Contacts (for Microloads)

LED and Incandescent Lamp Ratings

LED for LED-lighted Models

LED for Chameleon Models

Incandescent Lamp

LED Lamp (for LED Lamp-lighted Models)

Characteristics

Operating Characteristics

A3PJ (Rectangular) Models

A3PA (Square) Models

A3PT (Round) Models

Panel Cutout

A3PJ (Rectangular) Models

A3PA (Square) Models

A3PT (Round) Models

Accessory Mounting Dimensions

Legend Plate

Rectangular Models A3PJ-5201/-5202

Square Models A3PA-5201/-5202

Extractor

A3PJ-5080

Socket-mounting Dimensions

Rectangular Models A3PJ (M2PJ)

Wire-wrap Terminal A3PJ-4101

PCB Terminal A3PJ-4102

Solder Terminal A3PJ-4103

Square Models A3PA (M2PA)

Wire-wrap Terminal A3PA-4101

PCB Terminal A3PA-4102

Solder Terminal A3PA-4103

Switch and Guard Mounting Dimensions

Rectangular Models A3PJN-5050 (Horizontal Mounting) A3PJN-5055 (Vertical Mounting)

Square Models A3PAN-5050 (Horizontal Mounting) A3PAN-5055 (Vertical Mounting)

Seal Cover Mounting Dimensions

Rectangular Models A3PJ-5060

Square Models A3PA-5060

Rectangular Models
A3PJ-5201/-5202

Square Models
A3PA-5201/-5202

Wire-wrap Terminal
A3PJ-4101

PCB Terminal
A3PJ-4102

Solder Terminal
A3PJ-4103

Wire-wrap Terminal
A3PA-4101

PCB Terminal
A3PA-4102

Solder Terminal
A3PA-4103

Rectangular Models
A3PJN-5050 (Horizontal Mounting)
A3PJN-5055 (Vertical Mounting)

Square Models
A3PAN-5050 (Horizontal Mounting)
A3PAN-5055 (Vertical Mounting)

Rectangular Models
A3PJ-5060

Square Models
A3PA-5060