Product Model

WTB4S-3F2161

In Stock
Last updated: 2025/4/23
sick WTB4S-3F2161

Selling Points

  • 1High Accuracy: Detects objects with pin-point LED light, ensuring precise detection even at distances up to 150 mm.
  • 2Versatile Applications: Suitable for a wide range of industrial applications, including detecting small objects and complex backgrounds.
  • 3Reliable Performance: Operates within a broad temperature range (-40 °C to +60 °C) and has a long service life of 100,000 hours.
  • 4Easy Installation: Features a teach-in button and potentiometer for easy adjustment of operating distance.
  • 5Durable Design: Encased in IP66 and IP67 rated housing for protection against dust and water, ensuring long-lasting performance.
Product Details
WTB4S-3F2161
sick

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Sensing range max.
4 mm ... 180 mm
Sensing range
10 mm ... 180 mm
Emitted beam_Light source
PinPoint LED2)
Emitted beam_Type of light
Visible red light
Emitted beam_Light spot size (distance)
Ø 6.5 mm (150 mm)
Key LED figures_Wave length
650 nm
Adjustment
Potentiometer, 5 turns
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
20 mA
Protection class
III
Digital output_Type
PNP
Digital output_Switching mode
Dark switching
Digital output_Output current Imax.
≤ 100 mA
Digital output_Response time
< 0.5 ms4)
Digital output_Switching frequency
1,000 Hz5)
Circuit protection
A6)#!#C7)#!#D8)
Housing
Rectangular
Design detail
Slim
Dimensions (W x H x D)
12.2 mm x 41.8 mm x 17.3 mm
Connection
Connector M8, 3-pin
Material_Housing
Plastic, ABS
Material_Front screen
Plastic, PMMA
Weight
30 g

Specifications may be subject to change without notice