WTB12-3N1231

Product ID:57982
Updated: 2026/7/7
sick WTB12-3N1231

Key Features

  • 1Precise Object Detection: Detects objects with high accuracy over a 20-350mm range.
  • 2Background Suppression: Enhances detection by suppressing background reflections.
  • 3NPN Output: Provides reliable NPN switching output for various applications.
  • 4Durable Housing: Constructed with a robust metal housing rated IP66 for harsh environments.
  • 5Fast Response Time: Responds quickly with a response time of ≤330µs and a switching frequency of 1500Hz.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Sensing range max.
20 mm ... 350 mm
Sensing range
20 mm ... 350 mm
Emitted beam_Light source
LED2)
Emitted beam_Type of light
Visible red light
Emitted beam_Light spot size (distance)
Ø 6 mm (200 mm)
Key LED figures_Wave length
640 nm
Adjustment
Potentiometer, 5 turns
Items supplied
2 x clamps BEF-KH-W12, incl. screws
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
45 mA
Protection class
III
Digital output_Type
NPN
Digital output_Switching mode
Light/dark switching
Digital output_Signal voltage NPN HIGH/LOW
Approx. VS / < 2.5 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)
Housing
Rectangular
Dimensions (W x H x D)
15.6 mm x 48.5 mm x 42 mm
Connection
Cable, 4-wire, 5 m
Connection detail_Conductor size
0.25 mm²
Connection detail_Length of cable (L)
5 m1)
Material_Housing
Metal
Material_Front screen
Plastic, PMMA
Material_Cable
Plastic, PVC
Weight
280 g

Specifications may be subject to change without notice

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