Product Model

WTB9M4L-3P1161

In Stock
Last updated: 2025/4/20
sick WTB9M4L-3P1161

Selling Points

  • 1High Precision Detection: Detects small objects with high accuracy using visible red light.
  • 2Robust Design: Equipped with a rugged VISTAL housing for strong mechanical resistance.
  • 3Background Suppression: Enhances detection by suppressing background interference.
  • 4Versatile Sensing Range: Operates within a sensing range of 25 mm to 300 mm.
  • 5Easy Adjustment: Features a potentiometer for easy adjustment of the sensor's sensitivity.
Product Details
WTB9M4L-3P1161
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)
12.2 mm x 50 mm x 23.6 mm
Housing design (light emission)
Rectangular
Mounting hole
M4
Sensing range max.
25 mm ... 300 mm
Sensing range
25 mm ... 300 mm
Type of light
Visible red light
Light source
Laser
Light spot size (distance)
Ø 1 mm (170 mm)
Wave length
650 nm
Laser class
1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
Adjustment
Potentiometer, 5 turns
Special applications
Detecting small objects
Supply voltage UB
10 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
30 mA
Switching output
PNP
Output function
Complementary
Switching mode
Light/dark switching
Output current Imax.
≤ 100 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
0.14 mm²
Circuit protection
A8)#!#B9)#!#C10)
Protection class
III
Weight
80 g
Housing material
Plastic, VISTAL®
Optics material
Plastic, PMMA
Enclosure rating
IP66#!#IP67#!#IP69K
Ambient operating temperature
–10 °C ... +50 °C
Ambient operating temperature extended
–30 °C ... +55 °C
Ambient temperature, storage
–30 °C ... +70 °C
UL File No.
NRKH.E181493

Specifications may be subject to change without notice