Omron E2AX DATASHEET
Cylindrical Inductive Sensor for Explosive Environments
E2AX
• ATEX certification Group II category 3D
(94/9/EG Appendix VIII)
• Typically for explosive areas zone 22 with
non leading dust construction based on EN50014
and EN50281-1-1/2
Ordering Information
Thread
length
(overall
length)
34 (48)
56 (70)
34 (48)
56 (70)
39 (53)
61 (75)
39 (53)
61 (75)
44 (58)
66 (80)
44 (58)
(See
note.)
*1
Output
confi-
guration
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP E2AX-M30KS15-M1-B1 E2AX-M30KS15-M1-B2
NPN E2AX-M30KS15-M1-C1 E2AX-M30KS15-M1-C2
PNP E2AX-M30LS15-M1-B1 E2AX-M30LS15-M1-B2
NPN E2AX-M30LS15-M1-C1 E2AX-M30LS15-M1-C2
PNP E2AX-M30KN20-M1-B1 E2AX-M30KN20-M1-B2
NPN E2AX-M30KN20-M1-C1 E2AX-M30KN20-M1-C2
PNP E2AX-M30LN30-M1-B1 E2AX-M30LN30-M1-B2
NPN E2AX-M30LN30-M1-C1 E2AX-M30LN30-M1-C2
Operation mode NO Operation mode NC Operation mode NO + NC
E2AX-M12KS04-M1-B1 E2AX-M12KS04-M1-B2 E2AX-M12KS04-M1-B3
E2AX-M12KS04-M1-C1 E2AX-M12KS04-M1-C2 E2AX-M12KS04-M1-C3
E2AX-M12LS04-M1-B1 E2AX-M12LS04-M1-B2 E2AX-M12LS04-M1-B3
E2AX-M12LS04-M1-C1 E2AX-M12LS04-M1-C2 E2AX-M12LS04-M1-C3
E2AX-M12KN08-M1-B1 E2AX-M12KN08-M1-B2 E2AX-M12KN08-M1-B3
E2AX-M12KN08-M1-C1 E2AX-M12KN08-M1-C2 E2AX-M12KN08-M1-C3
E2AX-M12LN08-M1-B1 E2AX-M12LN08-M1-B2 E2AX-M12LN08-M1-B3
E2AX-M12LN08-M1-C1 E2AX-M12LN08-M1-C2 E2AX-M12LN08-M1-C3
E2AX-M18KS08-M1-B1 E2AX-M18KS08-M1-B2 E2AX-M18KS08-M1-B3
E2AX-M18KS08-M1-C1 E2AX-M18KS08-M1-C2 E2AX-M18KS08-M1-C3
E2AX-M18LS08-M1-B1 E2AX-M18LS08-M1-B2 E2AX-M18LS08-M1-B3
E2AX-M18LS08-M1-C1 E2AX-M18LS08-M1-C2 E2AX-M18LS08-M1-C3
E2AX-M18KN16-M1-B1 E2AX-M18KN16-M1-B2 E2AX-M18KN16-M1-B3
E2AX-M18KN16-M1-C1 E2AX-M18KN16-M1-C2 E2AX-M18KN16-M1-C3
E2AX-M18LN16-M1-B1 E2AX-M18LN16-M1-B2 E2AX-M18LN16-M1-B3
E2AX-M18LN16-M1-C1 E2AX-M18LN16-M1-C2 E2AX-M18LN16-M1-C3
DC 3-wire models (NO + NC: DC 4-wire)
M12
M18
M30
Size
Sensing
distance
Shiel-
4.0 mm
ded
Nonshiel-
8.0 mm
ded
Shiel-
8.0 mm
ded
Nonshiel-
16.0 mm
ded
Shiel-
15.0 mm
ded
20.0 mm
Nonshielded
30.0 mm 66 ( 80)
Connec-
tion
M12
connector
M12
connector
M12
connector
M12
connector
M12
connector
M12
connector
Body
material
*2
Brass
*2
Brass
*2
Brass
*2
Brass
*2
Brass
*2
Brass
E2AX
E2AX-M30KS15-M1-B3
E2AX-M30KS15-M1-C3
E2AX-M30LS15-M1-B3
E2AX-M30LS15-M1-C3
E2AX-M30KN20-M1-B3
E2AX-M30KN20-M1-C3
E2AX-M30LN30-M1-B3
E2AX-M30LN30-M1-C3
*1. Please contact your OMRON representative for DC 2-wire models.
*2. Stainless steel models are also available. Please contact your OMRON representative.
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.
D-9E2AX
Connectivity
The E2A sensors are available with the following connectors:
Connector models
Standard connectors: M12 -M1
Model Number Legend
E2A@-@@@@@-@-@@-@@
2 3 4 5 6 7 8 9 10 111 12
Example: E2A-M12LS04-M1-B1 Standard, M12, long barrel, shielded, Sn=4 mm, M12 connector, PNP-NO
1. Basic name
2. Sensing technology
3. Housing shape and material
4. Housing size
5. Barrel length
6. Shield
7. Sensing distance
E2A-S08KN04-WP-B1 5M Standard, M8 stainless steel, short barrel, non-shielded, Sn=4 mm, pre-wired PVC cable, PNP-NO,
E2A
Blank: Standard double distance
3: Triple distance
U: Mobile usage
X: Explosion hazarduous environments
M: Cylindrical, metric threaded, brass
S: Cylindrical, metric threaded, stainless steel
08: 8 mm
12: 12 mm
18: 18 mm
30: 30 mm
K: Standard length
L: Long body
S: Shielded
N: Non-shielded
Numeral: Sensing distance: e.g. 02=2 mm, 16=16 mm
cable length=5 m
8. Kind of connection
M1: M12 connector (4 pin) *
M3: M8 connector (4 pin)
M5: M8 connector (3 pin)
9. Power source and output
B: DC, 3-wire, PNP open collector
C: DC, 3-wire, NPN open collector
D: DC, 2-wire
E: DC, 3-wire, NPN voltage output
F: DC, 3-wire, PNP voltage output
10.Operation mode
1: Normally open (NO)
2: Normally closed (NC)
3: Antivalent (NO+NC)
11.Specials (e.g., cable material, oscillating frequency)
12.Cable length
Blank: Connector type
Numeral: Cable length
Note: *In case of DC 2-wire models the M12 connector identifier is '-M1G'
D-10 Inductive Sensors
Specifications
DC 3-wire Models / DC 4-wire (NO+NC)
Size M12
Typ e Shielded Non-shielded
E2AX-M12@S04-@@-B
E2AX-M12@S04-@@-C
Item
Sensing distance 4 mm ± 10% 8 mm ± 10%
Setting distance 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) 12×12×1 mm 24×24×1 mm
Response frequency (See note 1.) 1,000 Hz 800 Hz
Power supply voltage
(operating voltage range)
Current consumption (DC 3-wire) 10 mA max.
Output type
Control
output
Indicator Operation indicator (Yellow LED)
Operation mode
(with sensing object approaching)
Protection circuit
Ambient air temperature Operating: −40°C to 70°C, Storage: −40°C to 85°C (with no icing or condensation)
Temperature influence (See note 2.)
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
Standard and listings (See note 3.)
Connection method Please see chapter ’Connectivity’ for details on M12 connectors.
Weight
(packaged)
Material
Note 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.
Load current
(See note 2.)
Residual voltage 2 V max. (under load current of 200 mA with cable length of 2 m)
Connector model Approx. 35 g
Case Brass-nickel plated or stainless steel
Sensing surface PBT
Clamping nut Brass-nickel plated for brass models stainless steel for steel models
12 to 24 VDC. Ripple (p-p): 10% max.
(10 to 32 VDC)
-B models: PNP open collector
-C models: NPN open collector
200 mA max. (32 VDC max.)
-B1/-C1 models: NO
-B2/-C2 models: NC
-B3/ -C3 models: NO+NC
For details, refer to the timing charts.
Output reverse polarity protection, Power source circuit reverse polarity protection, Surge suppressor,
Short-circuit protection
±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
1,000 m/s
IP65
EMC after EN60947-5-2
ATEX after EN50014
E2AX-S12@S04-@@-B
E2AX-S12@S04-@@-C
2
, 10 times each in X, Y and Z directions
EN50281-1-1/2
@
@
@
@
E2AX-M12@N08-@@-B
E2AX-M12@N08-@@-C
E2AX-S12@N08-@@-B
E2AX-S12@N08-@@-C
@
@
@
@
E2AX
D-11E2AX
DC 3-wire Models / DC 4-wire (NO+NC)
Size M18 M30
Typ e Shielded Non-shielded Shielded Non-shielded Non-shielded
E2AX-M18@S08-M1-B@
E2AX-M18@S08-M1-C@
Item
E2AX-S18@S08-M1-B@
E2AX-S18@S08-M1-C@
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)
Response frequency
(See note 1.)
Power supply voltage
(operating voltage range)
Current consumption
(DC 3-wire)
Output type
Control
output
Load current
(See note 2.)
Residual voltage 2 V max. (under load current of 200 mA with cable length of 2 m)
24×24×1 mm 48×48×1 mm 45×45×1 mm 60×60×1 mm 90×90×1 mm
500 Hz 400 Hz 250 Hz 100 Hz 100 Hz
12 to 24 VDC. Ripple (p-p): 10% max.
(10 to 32 VDC)
10 mA max.
-B models: PNP open collector
-C models: NPN open collector
200 mA max. (32 VDC max.)
Indicator Operation indicator (Yellow LED)
Operation mode
(with sensing object
approaching)
Protection circuit
-B1/-C1 models: NO
-B2/-C2 models: NC
-B3/ -C3 models: NO+NC
For details, refer to the timing charts.
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
(See note 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
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
Standard and listings
(See note 3.)
1,000 m/s
IP65
EMC after EN60947-5-2
ATEX after EN50014
2
, 10 times each in X, Y and Z directions
EN50281-1-1/2
Connection method Please see chapter 'Connectivity' for details on M12 connectors.
Weight
(pak-
Connector model Approx. 70 g Approx. 200 g Approx. 200 g Approx. 260 g
kaged)
Case Brass-nickel plated or stainless steel
Material
Sensing surface PBT
Clamping nut brass-nickel plated for brass models stainless steel for steel models
Note 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.
E2AX-M18@N16-M1-B@
E2AX-M18@N16-M1-C@
E2AX-S18@N16-M1-B@
E2AX-S18@N16-M1-C@
E2AX-M30@S15-M1-B@
E2AX-M30@S15-M1-C@
E2AX-S30@S15-M1-B@
E2AX-S30@S15-M1-C@
E2AX-M30KN20-M1-B@
E2AX-M30KN20-M1-C@
E2AX-S30KN20-M1-B@
E2AX-S30KN20-M1-C@
°C to 70°C
E2AX-M30LN30-M1-B@
E2AX-M30LN30-M1-C@
E2AX-S30LN30-M1-B@
E2AX-S30LN30-M1-C@
D-12 Inductive Sensors
DC 2-wire Models
Size M12
Typ e Shielded Non-shielded
Item
Sensing distance 4 mm ± 10% 8 mm ± 10%
Setting distance 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 12×12×1 mm 24×24×1 mm
Response frequency (See note 1.) 1,000 Hz 800 Hz
Power supply voltage
(operating voltage range)
Leakage current 0.8 mA max.
Output type DC 2 wire type
Control
output
Indicator (see timing chart)
Operation mode
Protection circuit Surget suppressor, Short circuit protection
Ambient temperature Operating: −40°C to 70°C, Storage: −40°C to 85°C (with no icing or condensation)
Temperature influence
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
Standard and listings (See note 3.)
Connection method
Weight
(packaged)
Material
Note 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 50 mA max.
3. For USA and Canada: Use class 2 circuit only.
Load current
(See note 2.)
Residual voltage 3 V max. (under load current of 100 mA with cable length of 2 m)
Pre-wired model Approx. 85 g
Connector model Approx. 35 g
Case Brass-nickel plated or stainless steel
Sensing surface PBT
Clamping nut Brass-nickel plated for brass models stainless steel for steel models
12 to 24 VDC. Ripple (p-p): 10% max.
(10 to 32 VDC)
3 to 100 mA
NO type: Operation indicator (Yellow), Setting indicator (Red)
NC type: Operation indicator (Yellow)
-D1 models: NO
-D2 models: NC
±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
1,000 m/s
IP65
EMC after EN60947-5-2
ATEX after EN50014
Please see chapter 'Connectivity' for details on different cable materials and lenghts and M8 or M12
connectors.
E2AX-M12@S04-D
E2AX-S12@S04-D
2
, 10 times each in X, Y and Z directions
EN50281-1-1/2
@
@
E2AX-M12@N08-D
E2AX-S12@N08-D
@
@
E2AX
D-13E2AX
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