Product Model

WTB2S-2N1151S26

In Stock
Last updated: 2025/4/20
sick WTB2S-2N1151S26

Selling Points

  • 1Compact Design: Miniature size (7.7 mm x 27.5 mm x 13.5 mm) for easy integration.
  • 2High Sensitivity: Preset sensing range of 70 mm with 6% reflectivity for precise object detection.
  • 3Long Service Life: Average service life of 100,000 hours at +25°C ambient temperature.
  • 4Fast Response Time: Response time of less than 0.5 ms for quick switching.
  • 5Robust Construction: IP67 rating ensures protection against dust and water, making it suitable for harsh environments.
Product Details
WTB2S-2N1151S26
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)
7.7 mm x 27.5 mm x 13.5 mm
Housing design (light emission)
Rectangular
Sensing range max.
1 mm ... 150 mm
Sensing range
70 mm
Type of light
Visible red light
Light source
PinPoint LED
Light spot size (distance)
Ø 3.5 mm (50 mm)
Wave length
640 nm
Adjustment
Potentiometer, 3 turns
Special applications
Detecting small objects
Special features
Sensing range preset to 70 mm based on objects to be sensed with 6 % reflectivity
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
20 mA
Switching output
NPN
Switching mode
Light/dark switching
Output current Imax.
≤ 50 mA
Response time
< 0.5 ms
Switching frequency
1,000 Hz
Connection type
Cable, 4-wire, 2 m
Cable material
Plastic, PVC
Conductor cross section
0.09 mm²
Cable diameter
Ø 3 mm
Circuit protection
A7)#!#B8)#!#D9)
Special device
Housing material
Plastic, ABS/PC
Optics material
Plastic, PMMA
Enclosure rating
IP67
Ambient operating temperature
–25 °C ... +50 °C
Ambient temperature, storage
–40 °C ... +75 °C
UL File No.
NRKH.E181493

Specifications may be subject to change without notice