Product Model

WTB8-P2131

In Stock
Last updated: 2025/4/17
sick WTB8-P2131

Selling Points

  • 1Compact Design: 11 mm x 31 mm x 20 mm dimensions for easy integration.
  • 2Long Sensing Range: Detects objects up to 300 mm with adjustable sensitivity.
  • 3Background Suppression: Reduces false triggers by suppressing background light.
  • 4Adjustable Switching Mode: Selectable via rotary switch for light/dark switching.
  • 5High Reliability: PNP output with ≤0.5 ms response time and 1,000 Hz switching frequency.
Product Details
WTB8-P2131
sick

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Dimensions (W x H x D)
11 mm x 31 mm x 20 mm
Housing design (light emission)
Rectangular
Sensing range max.
30 mm ... 300 mm
Sensing range
40 mm ... 300 mm
Type of light
Visible red light
Light source
LED
Light spot size (distance)
Ø 20 mm (300 mm)
Wave length
650 nm
Adjustment
Potentiometer, 4 turns
Supply voltage UB
10 V DC ... 30 V DC
Ripple
± 10 %
Current consumption
30 mA
Switching output
PNP
Switching mode
Light/dark switching
Switching mode selector
Selectable via light/dark rotary switch
Signal voltage PNP HIGH/LOW
Approx. V#!#– 1.8 V / 0 V
Output current Imax.
≤ 100 mA
Response time
≤ 0.5 ms
Switching frequency
1,000 Hz
Connection type
Connector M8, 3-pin
Circuit protection
A6)#!#B7)#!#D8)
Weight
10 g
Housing material
Plastic, ABS
Optics material
Plastic, PMMA
Enclosure rating
IP67
Items supplied
Stainless steel mounting bracket (1.4301/304) BEF-W100-A
Ambient operating temperature
–25 °C ... +55 °C
Ambient temperature, storage
–40 °C ... +70 °C

Specifications may be subject to change without notice