OMRON E2A3 lineup

last update: January 10, 2014

DC 3-wire Models

Size	Type	Sen- sing dis- tance	Con- nection	Body mate- rial	Thread length	Out- put	Operation mode: NO	Operation mode: NC
M8	Shielded	3.0 mm	Pre-wired	Stain- less steel *	27 (40) mm	PNP	E2A3-S08KS03-WP-B1 2M	E2A3-S08KS03-WP-B2 2M
						NPN	E2A3-S08KS03-WP-C1 2M	E2A3-S08KS03-WP-C2 2M
			M12 connector		27 (44) mm	PNP	E2A3-S08KS03-M1-B1	E2A3-S08KS03-M1-B2
						NPN	E2A3-S08KS03-M1-C1	E2A3-S08KS03-M1-C2
			M8 connector (3-pin)		27 (40) mm	PNP	E2A3-S08KS03-M5-B1	E2A3-S08KS03-M5-B2
						NPN	E2A3-S08KS03-M5-C1	E2A3-S08KS03-M5-C2
M12	Shielded	6.0 mm	Pre-wired	Brass	34 (50) mm	PNP	E2A3-M12KS06-WP-B1 2M	E2A3-M12KS06-WP-B2 2M
						NPN	E2A3-M12KS06-WP-C1 2M	E2A3-M12KS06-WP-C2 2M
			M12 connector		34 (49) mm	PNP	E2A3-M12KS06-M1-B1	E2A3-M12KS06-M1-B2
						NPN	E2A3-M12KS06-M1-C1	E2A3-M12KS06-M1-C2
M18	Shielded	11.0 mm	Pre-wired	Brass	39 (60) mm	PNP	E2A3-M18KS11-WP-B1 2M	E2A3-M18KS11-WP-B2 2M
						NPN	E2A3-M18KS11-WP-C1 2M	E2A3-M18KS11-WP-C2 2M
			M12 connector		39 (54) mm	PNP	E2A3-M18KS11-M1-B1	E2A3-M18KS11-M1-B2
						NPN	E2A3-M18KS11-M1-C1	E2A3-M18KS11-M1-C2
M30	Shielded	20.0 mm	Pre-wired	Brass	44 (65) mm	PNP	E2A3-M30KS20-WP-B1 2M	E2A3-M30KS20-WP-B2 2M
						NPN	E2A3-M30KS20-WP-C1 2M	E2A3-M30KS20-WP-C2 2M
			M12 connector		44 (59) mm	PNP	E2A3-M30KS20-M1-B1	E2A3-M30KS20-M1-B2
						NPN	E2A3-M30KS20-M1-C1	E2A3-M30KS20-M1-C2

Note: Material specifications for stainless steel housing case: 1.4305 (W.-No.), SUS303 (AISI), 2346 (SS).

last update: January 10, 2014

OMRON E2A3 catalog

• Catalog

English

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
E2A3 Data Sheet	D102-E1-01A [284KB]	Jun 20, 200820080620	E2A3 Data Sheet

OMRON E2A3 dimension

last update: January 10, 2014

Pre-wired Models

E2A3-S08KS03-WP-[][]

E2A3-M18KS11-WP-[][]

E2A3-M12KS06-WP-[][]

E2A3-M30KS20-WP-[][]

M12 Connector Models

E2A3-S08KS03-M1-[][]

E2A3-M18KS11-M1-[][]

E2A3-M12KS06-M1-[][]

E2A3-M30KS20-M1-[][]

M8 Connector Models

E2A3-S08KS03-M5-[][]

Mounting Hole Cutout Dimensions

last update: January 10, 2014

OMRON E2A3 specification

last update: January 10, 2014

DC 3-wire Models

Size		M8	M12	M18	M30
Type		Shielded	Shielded	Shielded	Shielded
Item		E2A3-S08KS03 -[][]-B[] E2A3-S08KS03 -[][]-C[]	E2A3-M12KS06 -[][]-B[] E2A3-M12KS06 -[][]-C[]	E2A3-M18KS11 -[][]-B[] E2A3-M18KS11 -[][]-C[]	E2A3-M30KS20 -[][]-B[] E2A3-M30KS20 -[][]-C[]
Sensing distance		3 mm ± 10%	6 mm ± 10%	11 mm ± 10%	20 mm ± 10%
Setting distance	Ambient temp. of -25 to 70°C	0 to 2.1 mm	0 to 4.2 mm	0 to 7.7 mm	0 to 14 mm
	Ambient temp. of -10 to 60°C	0 to 2.4 mm	0 to 4.8 mm	0 to 8.8 mm	0 to 16 mm
Differential travel		20% max. of sensing distance
Target		Ferrous metal (The sensing distance decreases with non-ferrous metal.)
Standard sensing object		9 × 9 × 1 mm	18 × 18 × 1 mm	33 × 33 × 1 mm	60 × 60 × 1 mm
Response frequency *1		700 Hz	350 Hz	250 Hz	80 Hz
Power supply voltage (operating voltage range)		12 to 24 VDC. Ripple (p-p): 10% max. (10 to 32 VDC)
Current consumption		10 mA max.
Output type		-B models: PNP open collector -C models: NPN open collector
Control output	Load current	200 mA max. (32 VDC max.)
	Residual voltage	2 V max. (under load current of 200 mA with cable length of 2 m)
Indicator		Operation indicator (Yellow LED)
Operation mode		-B1/-C1 models: NO -B2/-C2 models: NC For details, refer to the timing charts.
Protection circuits		Power source circuit reverse polarity protection, Surge suppressor, Short- circuit protection	Output reverse polarity protection, Power source circuit reverse polarity protection, Surge suppressor, Short-circuit protection
Ambient air temperature		Operating: -25°C to 70°C, Storage: -25°C to 70°C
Temperature influence		±20% max. of sensing distance at 23°C within temperature range of -25°C to 70°C -10% max. to +20% of sensing distance at 23°C within temperature range of -10°C to 60°C
Ambient humidity		Operating: 35% to 95%, Storage: 35% to 95%
Voltage influence		±1% max. of sensing distance in rated voltage range ±15%
Insulation resistance		50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength		1,000 VAC at 50/60 Hz for 1 min between current-carrying parts and case
Vibration resistance		10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance		500 m/s2, 10 times each in X, Y, and Z directions	1,000 m/s2, 10 times each in X, Y and Z directions
Standards and listings *2		IP67 under IEC 60529 EMC under EN60947-5-2
Connection method		-WP models: Pre-wired Models (4-mm dia. PVC cable with length of 2 m) -M1 models: M12 4-pin Connector Models -M5 models: M8 3-pin Connector Models
Weight (packed state)	Pre-wired Models	Approx. 65 g	Approx. 85 g	Approx. 160 g	Approx. 280 g
	Connector Models	M12 Connector Models: Approx. 20 g	Approx. 35 g	Approx. 70 g	Approx. 200 g
Material	Case	Stainless steel	Brass-nickel plated
	Sensing surface	PBT
	Cable	PVC
	Clamping nut	Stainless steel	Brass-nickel plated

*1. The response frequency is an average value. Measurement conditions are as follows: standard sensing object, a
       distance of twice the standard sensing object length between sensing objects, and a set distance of half the sensing
       distance.
*2. For USA and CANADA : use class 2 circuit only.

last update: January 10, 2014

• NO. E2A3
• TYPE:Proximity Sensors Cylindrical Copyright Statement
• DATE:2021-06-08
• Associated products:
  E2A Cylindrical Proximity Sensor/Features E2S Super-compact Proximity Sensor/Features