E2K-X4MF1 2M

Cylindrical Proximity Sensor


Capacitive type, Unshielded, M12 x 1 mm, DC Three-wires models, Sensing distance 4 mm, Operation mode NO, PNP voltage-current output, Pre-wired models (2 m)

Sensing head size M12
Type Cylinder type
Capacitive type
Sensing distance 4 mm ±10%
Setting distance 0 to 2.8 mm
Operation mode NO

Item list of E2K-X

  • Ratings/Performance
Sensing head sizeM12
TypeCylinder type
Capacitive type
Sensing distance4 mm ±10%
Setting distance0 to 2.8 mm
Differential distance4% to 20% of sensing distance
Sensing objectConductor and dielectrics
Standard sensing objectWith grounded metal 50 x 50 x 1 mm
Response frequency100 Hz (Average value)
Power sourceDC Three-wires models
Power supply voltage12 to 24 VDC
Operating voltage range10 to 30 VDC
Current consumption15 mA max.
Control output (Output type)PNP
Control output (Switching capacity)200 mA
Control output (Residual voltage)2 V (Load current 200 mA with cable length of 2 m)
IndicatorDetection indicator (red)
Operation modeNO
Protective circuitOutput short-cut protection, Output reverse polarity protection, Reverse polarity protection, Surge suppressor
Ambient temperatureOperating: -25 to 70 ℃
Storage: -25 to 70 ℃
(no icing)
Ambient humidityOperating: 35 to 95% RH
Storage: 35 to 95% RH
(no condensation)
Temperature influence±20% max. of sensing distance in temperature range of -25 to +70 ℃
(As the basis for sensing distance of 23 ℃)
Voltage influence±2% max. of sensing distance in rated voltage range ±20%.
(As the basis for sensing distance at standard power voltage)
Insulation resistanceBetween charged parts and the case: 50 MΩ min. at 500 VDC
Dielectric strengthBetween charged parts and the case: 1,000 VAC 50/60 Hz for 1 min
Vibration resistance10 to 55 Hz, 1.5-mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistance500 m/s**2, 3 times each in X, Y, and Z directions
Degree of protectionIEC: IP66
Company standard: Oil-proof
Connection methodPre-wired models
(Cable length: 2 m)
Weight (Packed state)approx. 65 g
MaterialCase: Heat-resistant ABS resin
Sensing surface: Heat-resistant ABS resin
Clamping nuts: Polyacetal
AccessoriesInstruction manual
  • Dimensions

  • Output circuit

  • Sensing range

  • Sensing distance vs. size and material of sensing object


Cylindrical Proximity Sensor


about this Product