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E2S-Q25 2M

Super-compact Proximity Sensor


Compact Square Type Proximity Sensor, Sensing surface: Front, Sensing distance: 2.5 mm, DC 3-wire, PNP, NO, 2 m

Sensing head size 8 mm x 8 mm x 23 mm
Type Square type, Unshielded
Power source DC Three-wires models
Sensing distance 2.5 mm ±15%
Setting distance 0 to 1.9 mm
Operation mode NO

Item list of E2S

  • Ratings/Performance
Sensing head size8 mm x 8 mm x 23 mm
TypeSquare type, Unshielded
Power sourceDC Three-wires models
Sensing distance2.5 mm ±15%
Setting distance0 to 1.9 mm
Differential distance10% max. of sensing distance
Sensing objectFerrous metal (Sensitivity lowers with non-ferrous metals.)
Standard sensing objectIron 15 x 15 x 1 mm
Response frequency1 kHz (Average value)
Power supply voltage12 to 24 VDC ripple (p-p) 10% max.
Operating voltage range10 to 30 VDC
Current consumptionat 24 VDC, no load: 13 mA max.
Control output (Output type)PNP open collector
Control output (Switching capacity)50 mA max. (30 VDC max.)
IndicatorOperation indicator (orange)
Operation modeNO
Protective circuitPower supply reverse polarity protection
Surge suppressor
Ambient temperature (Operating)-25 to 70 ℃
Ambient temperature (Storage)-40 to 85 ℃
Ambient humidity (Operating)35 to 90 %
Ambient humidity (Storage)35 to 95 %
Temperature influence±15% max. of sensing distance at 23 ℃ in the temperature range of −25 to 70 ℃
Voltage influence±2.5% max. of sensing distance at rated voltage in the rated voltage ±10% 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: IP67
Connection methodPre-wired models (2 m)
MaterialCase: Polyarylate
AccessoriesMounting Bracket
  • Dimensions


  • Output circuit

Output circuit

Timing chart

  • Mutual interference

Mutual interference

A: 75 mm min., B: 25 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

A: 15 mm min., B: 10 mm min., C: 3 mm min.

  • Characteristic chart

Sensing distance vs. size and material of sensing object

Sensing range


Super-compact Proximity Sensor