WT12L-2B551

Product ID:59131
Updated: 2026/4/3
sick WT12L-2B551

Key Features

  • 1High Accuracy Detection: Precise sensing range of 30 mm to 200 mm.
  • 2Background Suppression: Advanced technology to minimize false triggers.
  • 3Laser Light Source: Visible red light ensures clear object detection.
  • 4Durable Construction: IP67 and IP69K rated for harsh environments.
  • 5Long Service Life: Average service life of 50,000 hours at +25°C.
Product Details
WT12L-2B551
sick

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Sensing range max.
30 mm ... 200 mm
Emitted beam_Light source
Laser2)
Emitted beam_Type of light
Visible red light
Emitted beam_Light spot size (distance)
Ø 0.2 mm (100 mm)
Focus position
100 mm
Key laser figures_Laser class
13)
Key LED figures_Wave length
650 nm
Adjustment
Potentiometer
Special applications
Detecting small objects, Detection of objects moving at high speeds
Items supplied
2 x clamps BEF-KH-W12, incl. screws
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
55 mA
Protection class
III
Digital output_Type
PNP, NPN4)5)
Digital output_Switching mode
Light switching, Dark switching4)5)
Digital output_Switching mode selector
Selectable via L/D control cable
Digital output_Signal voltage PNP HIGH/LOW
Uv - < 2 V, Uv / 0 V, <= 1.5 V
Digital output_Signal voltage NPN HIGH/LOW
Uv - < 2 V, Uv / 0 V, <= 1.5 V
Digital output_Output current Imax.
≤ 100 mA
Digital output_Response time
≤ 500 µs6)
Digital output_Switching frequency
1,000 Hz7)
Circuit protection
A8)#!#C9)#!#D10)
Housing
Rectangular
Dimensions (W x H x D)
15 mm x 49 mm x 41.5 mm
Connection
Male connector M12, 5-pin
Material_Housing
Metal
Material_Front screen
Plastic, PMMA
Weight
130 g

Specifications may be subject to change without notice