Omron Proximity Sensors. Cylindrical. E2A

Cylindrical Proximity Sensor
E2A

Safe Mounting with Greater Sensing Distance

Item

Size 		Sensing
distance		 Conne-
ction		 Body
material		 Thread
length
(overall
length)		 Output
confi-
guration		 Operation mode NO Operation mode NC
M8 Shiel-
ded		 2.0 mm Pre-
wired		 Stainless
steel		 27 (40) PNP E2A-S08KS02-WP-B1 2M E2A-S08KS02-WP-B2 2M
NPN E2A-S08KS02-WP-C1 2M E2A-S08KS02-WP-C2 2M
49 (62) PNP E2A-S08LS02-WP-B1 2M E2A-S08LS02-WP-B2 2M
NPN E2A-S08LS02-WP-C1 2M E2A-S08LS02-WP-C2 2M
M12
conne-
ctor		 Stainless
steel		 27 (43) PNP E2A-S08KS02-M1-B1 E2A-S08KS02-M1-B2
NPN E2A-S08KS02-M1-C1 E2A-S08KS02-M1-C2
49 (65) PNP E2A-S08LS02-M1-B1 E2A-S08LS02-M1-B2
NPN E2A-S08LS02-M1-C1 E2A-S08LS02-M1-C2
Brass 27 (43) PNP E2A-M08KS02-M1-B1 E2A-M08KS02-M1-B2
NPN E2A-M08KS02-M1-C1 E2A-M08KS02-M1-C2
49 (65) PNP E2A-M08LS02-M1-B1 E2A-M08LS02-M1-B2
NPN E2A-M08LS02-M1-C1 E2A-M08LS02-M1-C2
M8
conne-
ctor
(3-pin)		 Stainless
steel		 27 (39) PNP E2A-S08KS02-M5-B1 E2A-S08KS02-M5-B2
NPN E2A-S08KS02-M5-C1 E2A-S08KS02-M5-C2
49 (61) PNP E2A-S08LS02-M5-B1 E2A-S08LS02-M5-B2
NPN E2A-S08LS02-M5-C1 E2A-S08LS02-M5-C2
Non-
shiel-
ded		 4.0 mm Pre-
wired		 Stainless
steel		 27 (40) PNP E2A-S08KN04-WP-B1 2M E2A-S08KN04-WP-B2 2M
NPN E2A-S08KN04-WP-C1 2M E2A-S08KN04-WP-C2 2M
49 (62) PNP E2A-S08LN04-WP-B1 2M E2A-S08LN04-WP-B2 2M
NPN E2A-S08LN04-WP-C1 2M E2A-S08LN04-WP-C2 2M
M12
conne-
ctor		 Stainless
steel		 27 (43) PNP E2A-S08KN04-M1-B1 E2A-S08KN04-M1-B2
NPN E2A-S08KN04-M1-C1 E2A-S08KN04-M1-C2
49 (65) PNP E2A-S08LN04-M1-B1 E2A-S08LN04-M1-B2
NPN E2A-S08LN04-M1-C1 E2A-S08LN04-M1-C2
Brass 27 (43) PNP E2A-M08KN04-M1-B1 E2A-M08KN04-M1-B2
NPN E2A-M08KN04-M1-C1 E2A-M08KN04-M1-C2
49 (65) PNP E2A-M08LN04-M1-B1 E2A-M08LN04-M1-B2
NPN E2A-M08LN04-M1-C1 E2A-M08LN04-M1-C2
M8
conne-
ctor
(3-pin)		 Stainless
steel		 27 (39) PNP E2A-S08KN04-M5-B1 E2A-S08KN04-M5-B2
NPN E2A-S08KN04-M5-C1 E2A-S08KN04-M5-C2
49 (61) PNP E2A-S08LN04-M5-B1 E2A-S08LN04-M5-B2
NPN E2A-S08LN04-M5-C1 E2A-S08LN04-M5-C2
M12 Shiel-
ded		 4.0 mm Pre-
wired		 Brass 34 (50) PNP E2A-M12KS04-WP-B1 2M E2A-M12KS04-WP-B2 2M
NPN E2A-M12KS04-WP-C1 2M E2A-M12KS04-WP-C2 2M
56 (72) PNP E2A-M12LS04-WP-B1 2M E2A-M12LS04-WP-B2 2M
NPN E2A-M12LS04-WP-C1 2M E2A-M12LS04-WP-C2 2M
M12
conne-
ctor		 Brass 34 (48) PNP E2A-M12KS04-M1-B1 E2A-M12KS04-M1-B2
NPN E2A-M12KS04-M1-C1 E2A-M12KS04-M1-C2
56 (70) PNP E2A-M12LS04-M1-B1 E2A-M12LS04-M1-B2
NPN E2A-M12LS04-M1-C1 E2A-M12LS04-M1-C2
Non-
shiel-
ded		 8.0 mm Pre-
wired		 Brass 34 (50) PNP E2A-M12KN08-WP-B1 2M E2A-M12KN08-WP-B2 2M
NPN E2A-M12KN08-WP-C1 2M E2A-M12KN08-WP-C2 2M
56 (72) PNP E2A-M12LN08-WP-B1 2M E2A-M12LN08-WP-B2 2M
NPN E2A-M12LN08-WP-C1 2M E2A-M12LN08-WP-C2 2M
M12
conne-
ctor		 Brass 34 (48) PNP E2A-M12KN08-M1-B1 E2A-M12KN08-M1-B2
NPN E2A-M12KN08-M1-C1 E2A-M12KN08-M1-C2
56 (70) PNP E2A-M12LN08-M1-B1 E2A-M12LN08-M1-B2
NPN E2A-M12LN08-M1-C1 E2A-M12LN08-M1-C2
M18 Shiel-
ded		 8.0 mm Pre-
wired		 Brass 39 (59) PNP E2A-M18KS08-WP-B1 2M E2A-M18KS08-WP-B2 2M
NPN E2A-M18KS08-WP-C1 2M E2A-M18KS08-WP-C2 2M
61 (81) PNP E2A-M18LS08-WP-B1 2M E2A-M18LS08-WP-B2 2M
NPN E2A-M18LS08-WP-C1 2M E2A-M18LS08-WP-C2 2M
M12
conne-
ctor		 Brass 39 (53) PNP E2A-M18KS08-M1-B1 E2A-M18KS08-M1-B2
NPN E2A-M18KS08-M1-C1 E2A-M18KS08-M1-C2
61 (75) PNP E2A-M18LS08-M1-B1 E2A-M18LS08-M1-B2
NPN E2A-M18LS08-M1-C1 E2A-M18LS08-M1-C2
Non-
shiel-
ded		 16.0 mm Pre-
wired		 Brass 39 (59) PNP E2A-M18KN16-WP-B1 2M E2A-M18KN16-WP-B2 2M
NPN E2A-M18KN16-WP-C1 2M E2A-M18KN16-WP-C2 2M
61 (81) PNP E2A-M18LN16-WP-B1 2M E2A-M18LN16-WP-B2 2M
NPN E2A-M18LN16-WP-C1 2M E2A-M18LN16-WP-C2 2M
M12
conne-
ctor		 Brass 39 (53) PNP E2A-M18KN16-M1-B1 E2A-M18KN16-M1-B2
NPN E2A-M18KN16-M1-C1 E2A-M18KN16-M1-C2
61 (75) PNP E2A-M18LN16-M1-B1 E2A-M18LN16-M1-B2
NPN E2A-M18LN16-M1-C1 E2A-M18LN16-M1-C2
M30 Shiel-
ded		 15.0 mm Pre-
wired		 Brass 44 (64) PNP E2A-M30KS15-WP-B1 2M E2A-M30KS15-WP-B2 2M
NPN E2A-M30KS15-WP-C1 2M E2A-M30KS15-WP-C2 2M
66 (86) PNP E2A-M30LS15-WP-B1 2M E2A-M30LS15-WP-B2 2M
NPN E2A-M30LS15-WP-C1 2M E2A-M30LS15-WP-C2 2M
M12
conne-
ctor		 Brass 44 (58) PNP E2A-M30KS15-M1-B1 E2A-M30KS15-M1-B2
NPN E2A-M30KS15-M1-C1 E2A-M30KS15-M1-C2
66 (80) PNP E2A-M30LS15-M1-B1 E2A-M30LS15-M1-B2
NPN E2A-M30LS15-M1-C1 E2A-M30LS15-M1-C2
Non-
shiel-
ded		 20.0 mm Pre-
wired		 Brass 44 (64)
(See
note.)		 PNP E2A-M30KN20-WP-B1 2M E2A-M30KN20-WP-B2 2M
NPN E2A-M30KN20-WP-C1 2M E2A-M30KN20-WP-C2 2M
30.0 mm 66 (86) PNP E2A-M30LN30-WP-B1 2M E2A-M30LN30-WP-B2 2M
NPN E2A-M30LN30-WP-C1 2M E2A-M30LN30-WP-C2 2M
20.0 mm M12
conne-
ctor		 Brass 44 (58)
(See
note.)		 PNP E2A-M30KN20-M1-B1 E2A-M30KN20-M1-B2
NPN E2A-M30KN20-M1-C1 E2A-M30KN20-M1-C2
30.0 mm 66 (80) PNP E2A-M30LN30-M1-B1 E2A-M30LN30-M1-B2
NPN E2A-M30LN30-M1-C1 E2A-M30LN30-M1-C2
Note: M30 non-shielded Models with double sensing distance and short barrels cannot be mounted due to the necessary
separation distance from the surrounding metal. Standard sensing models are thus available.

DC 3-wire Models

Size M8 M12
Type Shielded Non-shielded Shielded Non-shielded
E2A-M08[]S02-M1-B1/B2/C1/C2
E2A-S08[]S02-[][]-B1/B2/C1/C2		 E2A-M08[]N04-M1-B1/B2/C1/C2
E2A-S08[]N04-[][]-B1/B2/C1/C2		 E2A-M12[]S04-[][]-B1/B2/C1/C2 E2A-M12[]N08-[][]-B1/B2/C1/C2
Sensing distance 2 mm ± 10% 4 mm ± 10% 4 mm ± 10% 8 mm ± 10%
Setting distance 0 to 1.6 mm 0 to 3.2 mm 0 to 3.2 mm 0 to 6.4 mm
Differential travel 10% max. of sensing distance
Target Ferrous metal (The sensing distance decreases with non-ferrous metal.)
Standard target
(mild steel ST37)		 8×8×1 mm 12×12×1 mm 12×12×1 mm 24×24×1 mm
Response frequency
*1		 1,500 Hz 1,000 Hz 1,000 Hz 800 Hz
Power supply voltage
(operating voltage range)		 12 to 24 VDC. Ripple (p-p): 10% max. (10 to 32 VDC)
Current consumption
(DC 3-wire)		 10 mA max.
Output type -B models: PNP open collector
-C models: NPN open collector
Control
output		 Load
current
*2		 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
(with sensing object
approaching)		 -B1/-C1 models: NO
-B2/-C2 models: NC
For details, refer to Data Sheet.
Protection circuit 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: -40°C to 70°C, Storage: -40°C to 85°C (with no icing or condensation)
Temperature influence
*2		 ±10% max. of sensing distance at 23°C within temperature range of -25°C to 70°C
±15% max. of sensing distance at 23°C within temperature range of -40°C to 70°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 carry parts and case
Dielectric strength 1,000 VAC at 50/60 Hz for 1 min between current carry 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
Standard and listings
*3		 IEC60529: IP67, Degree of protection
EN60947-5-2: EMC
Connection method -WP models: Pre-wired models (Standard length: 2 m)
-M1 models: M12 4-pin connector models
-M5 models: M8 3-pin connector models
Weight
(packa-
ged)		 Pre-wired
model		 Approx. 65 g Approx. 85 g
M12
connector
model		 M12 connector models: Approx. 20 g
M8 connector models: Approx. 15 g 		Approx. 35 g
Material Case Stainless steel or brass-nickel plated Brass-nickel plated
Sensing
surface		 PBT
Cable PVC
Clamping
nut		 Brass-nickel plated
*1. The response frequency is an average value. Measurement conditions are as follows: standard target, a distance of
twice the standard target distance between targets, and a setting distance of half the sensing distance.
*2. When using any model at an ambient temperature between −40°C and −25°C and a power voltage between 30 and
32 VDC, use a load current of 100 mA max.,
*3. For USA and CANADA : use class 2 circuit only.

Size 		M18 M30
Type Shielded Non-shielded Shielded Non-shielded Non-shielded
E2A-M18[]S08-[][]-B1/B2/C1/C2 E2A-M18[]N16-[][]-B1/B2/C1/C2 E2A-M30[]S15-[][]-B1/B2/C1/C2 E2A-M30KN20-[][]-B1/B2/C1/C2 E2A-M30LN30-[][]-B1/B2/C1/C2
Sensing distance 8 mm±10% 16 mm±10% 15 mm±10% 20 mm±10% 30 mm±10%
Setting distance 0 to 6.4 mm 0 to 12.8 mm 0 to 12 mm 0 to 16 mm 0 to 24 mm
Differential travel 10% max. of sensing distance
Target Ferrous metal (The sensing distance decreases with non-ferrous metal.)
Standard target
(mild steel ST37)		 24×24×1 mm 48×48×1 mm 45×45×1 mm 60×60×1 mm 90×90×1 mm
Response frequency
*1		 500 Hz 400 Hz 250 Hz 100 Hz 100 Hz
Power supply voltage
(operating voltage range)		 12 to 24 VDC. Ripple (p-p): 10% max. (10 to 32 VDC)
Current consumption
(DC 3-wire)		 10 mA max.
Output type -B models: PNP open collector
-C models: NPN open collector
Control
output		 Load
current
*2		 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
(with sensing object
approaching)		 -B1/-C1 models: NO
-B2/-C2 models: NC
For details, refer to Data Sheet.
Protection circuit Output reverse polarity protection, Power source circuit reverse polarity protection, Surge suppressor, Short-circuit protection
Ambient air
temperature		 Operating: -40°C to 70°C, Storage: -40°C to 85°C (with no icing or condensation)
Temperature influence
*2		 ±10% max. of sensing distance at 23°C within temperature range of -25°C to 70°C
±15% max. of sensing distance at 23°C within temperature range of -40°C to 70°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 carry parts and case
Dielectric strength 1,000 VAC at 50/60 Hz for 1 min between current carry 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 1,000 m/s2, 10 times each in X, Y and Z directions
Standard and listings
*3		 IEC60529: IP67, Degree of protection
EN60947-5-2: EMC
Connection method -WP models: Pre-wired models (Standard length: 2 m)
-M1 models: M12 4-pin connector models
-M5 models: M8 3-pin connector models
Weight
(packa-
ged)		 Pre-wired
model		 Approx. 160 g Approx. 280 g Approx. 280 g Approx. 370 g
M12
connector
model		 Approx. 70 g Approx. 200 g Approx. 200 g Approx. 260 g
Material Case Brass-nickel plated
Sensing
surface		 PBT
Cable PVC
Clamping
nut		 Brass-nickel plated
*1. The response frequency is an average value. Measurement conditions are as follows: standard target, a distance of
twice the standard target distance between targets, and a setting distance of half the sensing distance.
*2. When using any model at an ambient temperature between -40°C and -25°C and a power voltage between 30 and
32 VDC, use a load current of 100 mA max.
*3. For USA and CANADA : use class 2 circuit only.

Pre-wired Models (Shielded)

E2A Dimensions 1 Pre-wired Models (Shielded)_Dim

Pre-wired Models (Non-shielded)

E2A Dimensions 2 Pre-wired Models (Non-shielded)_Dim

　

E2A-S08KS02-WP-[][]

E2A Dimensions 4 E2A-S08KS02-WP-[][]_Dim

E2A-S08KN04-WP-[][]

E2A Dimensions 5 E2A-S08KN04-WP-[][]_Dim

　

E2A-M12KS04-WP-[][]

E2A Dimensions 7 E2A-M12KS04-WP-[][]_Dim

E2A-M12KN08-WP-[][]

E2A Dimensions 8 E2A-M12KN08-WP-[][]_Dim

　

E2A-M18KS08-WP-[][]

E2A Dimensions 10 E2A-M18KS08-WP-[][]_Dim

E2A-M18KN16-WP-[][]

E2A Dimensions 11 E2A-M18KN16-WP-[][]_Dim

　

E2A-M30KS15-WP-[][]

E2A Dimensions 13 E2A-M30KS15-WP-[][]_Dim

E2A-M30KN20-WP-[][]

E2A Dimensions 14 E2A-M30KN20-WP-[][]_Dim

　

E2A-S08LS02-WP-[][]

E2A Dimensions 16 E2A-S08LS02-WP-[][]_Dim
E2A Dimensions 17 E2A-S08LN04-WP-[][]_Dim

　

E2A-M12LS04-WP-[][]

E2A Dimensions 19 E2A-M12LS04-WP-[][]_Dim

E2A-M12LN08-WP-[][]

E2A Dimensions 20 E2A-M12LN08-WP-[][]_Dim

　

E2A-M18LS08-WP-[][]

E2A Dimensions 22 E2A-M18LS08-WP-[][]_Dim

E2A-M18LN16-WP-[][]

E2A Dimensions 23 E2A-M18LN16-WP-[][]_Dim

　

E2A-M30LS15-WP-[][]

E2A Dimensions 25 E2A-M30LS15-WP-[][]_Dim

E2A-M30LN30-WP-[][]

E2A Dimensions 26 E2A-M30LN30-WP-[][]_Dim

　

Mounting Hole Cutout Dimensions

E2A Dimensions 28 Mounting Hole Cutout Dimensions_Dim

　

M12 Connector Models (Shielded)

E2A Dimensions 30 M12 Connector Models (Shielded)_Dim

M12 Connector Models (Non-shielded)

E2A Dimensions 31 M12 Connector Models (Non-shielded)_Dim

　

E2A-S08KS02-M1-[][]
E2A-M08KS02-M1-[][]

E2A Dimensions 33 E2A-S08KS02-M1-[][]_Dim

E2A-S08KN04-M1-[][]
E2A-M08KN04-M1-[][]

E2A Dimensions 34 E2A-S08KN04-M1-[][]_Dim

　

E2A-M12KS04-M1-[][]

E2A Dimensions 36 E2A-M12KS04-M1-[][]_Dim

E2A-M12KN08-M1-[][]

E2A Dimensions 37 E2A-M12KN08-M1-[][]_Dim

　

E2A-M18KS08-M1-[][]

E2A Dimensions 39 E2A-M18KS08-M1-[][]_Dim

E2A-M18KN16-M1-[][]

E2A Dimensions 40 E2A-M18KN16-M1-[][]_Dim

　

E2A-M30KS15-M1-[][]

E2A Dimensions 42 E2A-M30KS15-M1-[][]_Dim

E2A-M30KN20-M1-[][]

E2A Dimensions 43 E2A-M30KN20-M1-[][]_Dim

　

E2A-S08LS02-M1-[][]
E2A-M08LS02-M1-[][]

E2A Dimensions 45 E2A-S08LS02-M1-[][]_Dim

E2A-S08LN04-M1-[][]
E2A-M08LN04-M1-[][]

E2A Dimensions 46 E2A-S08LN04-M1-[][]_Dim

　

E2A-M12LS04-M1-[][]

E2A Dimensions 48 E2A-M12LS04-M1-[][]_Dim

E2A-M12LN08-M1-[][]

E2A Dimensions 49 E2A-M12LN08-M1-[][]_Dim

　

E2A-M18LS08-M1-[][]

E2A Dimensions 51 E2A-M18LS08-M1-[][]_Dim

E2A-M18LN16-M1-[][]

E2A Dimensions 52 E2A-M18LN16-M1-[][]_Dim

　

E2A-M30LS15-M1-[][]

E2A Dimensions 54 E2A-M30LS15-M1-[][]_Dim

E2A-M30LN30-M1-[][]

E2A Dimensions 55 E2A-M30LN30-M1-[][]_Dim

　

M8 Connector Models (Shielded)

E2A Dimensions 57 M8 Connector Models (Shielded)_Dim

M8 Connector Models (Non-shielded)

E2A Dimensions 58 M8 Connector Models (Non-shielded)_Dim

　

E2A-S08KS02-M5-[][]

E2A Dimensions 60 E2A-S08KS02-M5-[][]_Dim

E2A-S08KN04-M5-[][]

E2A Dimensions 61 E2A-S08KN04-M5-[][]_Dim

　

E2A-S08LS02-M5-[][]

E2A Dimensions 63 E2A-S08LS02-M5-[][]_Dim

E2A-S08LN04-M5-[][]

E2A Dimensions 64 E2A-S08LN04-M5-[][]_Dim