WL12-3P2451

Product ID:54092
Updated: 2026/7/8
sick WL12-3P2451

Key Features

  • 1High accuracy with a 2m sensing range.
  • 2Rugged metal housing for harsh environment resistance.
  • 3Quick and easy setup with highly visible PinPoint LED light.
  • 4High immunity to ambient light and crosstalk for fewer false readings.
  • 5Easy installation using SICK accessories for reduced downtime.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
Without reflector minimum distance (autocollimation/coaxial optics)
Sensing range max.
0 m ... 2 m
Sensing range
0 m ... 1.3 m
Polarisation filters
Yes
Emitted beam_Light source
LED2)
Emitted beam_Type of light
Visible red light
Emitted beam_Light spot size (distance)
Ø 2 mm (90 mm)
Key LED figures_Wave length
640 nm
Adjustment
Potentiometer, 5 turns
Angle of dispersion
Approx. 5°
Special applications
Detecting small objects
Items supplied
2 x clamps BEF-KH-W12, incl. screws
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
30 mA
Protection class
III
Digital output_Type
PNP
Digital output_Switching mode
Light/dark switching
Digital output_Signal voltage PNP HIGH/LOW
> Uv - 2,5 V / ca. 0 V
Digital output_Output current Imax.
≤ 100 mA
Digital output_Response time
≤ 330 µs4)
Digital output_Switching frequency
1,500 Hz5)
Output function
Complementary
Circuit protection
A6)#!#C7)#!#D8)
Special feature
Focused optics
Housing
Rectangular
Dimensions (W x H x D)
15.6 mm x 48.5 mm x 42 mm
Connection
Male connector M12, 4-pin
Material_Housing
Metal
Material_Front screen
Plastic, PMMA
Weight
120 g

Specifications may be subject to change without notice

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