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E3S-LS20XE4 2M

Photoelectric Sensor with Built-in Amplifier


Convergent-reflective (wide vision field), Sensing distance White paper 50 x 75 mm: 50 to 250 mm, Light-ON/Dark-ON selectable, No-contact output, Pre-wired models, Infrared LED (950 nm)

Sensing method Convergent-reflective (wide vision field)
Sensing distance White paper 50 x 75 mm: 50 to 250 mm
Light source Infrared LED (950 nm)
Connection method Pre-wired models

Item list of E3S

  • Ratings/Performance
ShapeSquare type
Sensing methodConvergent-reflective (wide vision field)
Sensing distanceWhite paper 50 x 75 mm: 50 to 250 mm
Standard sensing objectTransparent/Opaque
Differential distance5% max. at 50 to 250 mm
Light sourceInfrared LED (950 nm)
Power supply voltage12 to 24 VDC±10% ripple (p-p) 10% max.
Current consumption40 mA max.
Control outputNo-contact output
80 mA max. (Output current 1.5 to 4 mA)
Residual voltage: 2 V max.
Operation modeLight-ON/Dark-ON selectable
Response timeOperate or reset: 1 ms max.
Sensitivity settingSensitivity adjuster
Ambient illuminanceIncandescent lamp: 3000 lux max., Sunlight: 10000 lux max.
Ambient temperature (Operating)-25 to 55℃
Ambient temperature (Storage)-40 to 70℃
Ambient humidityOperating: 35 to 85%
Storage: 35 to 95%
Insulation resistance20 MΩ min. (500 VDC megger)
Dielectric strength1000 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/s**2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP67
Connection methodPre-wired models (Cable length 2 m)
IndicatorLight indicator (red), Stability indicator (green)
MaterialCase: Zinc diecast
Lens: Polycarbonate
Mounting Bracket: Iron
  • Output circuit diagram

  • Operating range

  • Setting distance

Sensing object size vs. setting distance


Photoelectric Sensor with Built-in Amplifier