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E2K-X4ME2 2M

Cylindrical Proximity Sensor


Proximity Sensor, Sensing distance 4 mm, DC 3-wire, NPN, NC, Pre-wired models, 2 m

Sensing head size M12
Type Cylinder type (with screw), Capacitive type, Unshielded
Power source DC Three-wires models
Sensing distance 4 mm ±10%
Setting distance 0 to 2.8 mm
Operation mode NC

Item list of E2K-X

  • Ratings/Performance
Sensing head sizeM12
TypeCylinder type (with screw), Capacitive type, Unshielded
Power sourceDC Three-wires models
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
Power supply voltage12 to 24 VDC
Operating voltage range10 to 30 VDC
Current consumption15 mA max.
Control output (Output type)NPN
Control output (Switching capacity)200 mA max.
Control output (Residual voltage)2 V max. (Load current 200 mA with cable length of 2 m)
IndicatorDetection indicator (red)
Operation modeNC
Protective circuitOutput short-cut protection
Output reverse polarity protection
Reverse polarity protection
Surge suppressor
Ambient temperature (Operating)-25 to 70 ℃
Ambient temperature (Storage)-25 to 70 ℃
Ambient humidity (Operating)35 to 95 %
Ambient humidity (Storage)35 to 95 %
Temperature influence±20% max. of sensing distance at 23 ℃ in the temperature range of −25 to 70 ℃
Voltage influence±2% max. of sensing distance at rated voltage in the rated voltage ±20% range
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 1 min
Vibration resistanceDestruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP66
Company standard: Oil-proof
Connection methodPre-wired models (2 m)
WeightPackage: Approx. 65 g
MaterialCase: Heat-resistant ABS resin
Sensing surface: Heat-resistant ABS resin
Clamping nuts: Polyacetal
AccessoriesInstruction manual
  • Dimensions


  • Output circuit

Output circuit

Timing chart

  • Mutual interference

Mutual interference

A: 80 mm min., B: 70 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

l: 20 mm min., dia. d: 50 mm min., m: 8 mm min., n: 60 mm min., G: 20 mm min., H: 30 mm min.

  • Characteristic chart

Sensing distance vs. size and material of sensing object

Sensing range


Cylindrical Proximity Sensor