Sick WTB11-2P2431 Diffuse reflection light scanner Light transmitter: LED light scanner with background

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Delivered between 5.3.2026 and 19.3.2026
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Product details

The WTB11-2P2431 reflection light switch from Sick is a highly advanced motion detector based on the principle of reflection. It is equipped with an LED light emitter and provides a reliable solution for detecting objects within a defined area. The light switch is designed for applications where precise control of lighting conditions is required. With a maximum switching distance of up to 350 mm and the ability to choose between light and dark switching, this sensor is versatile. The background suppression minimizes unwanted disturbances, enhancing the efficiency and accuracy of the sensor. The WTB11-2P2431 is also robustly constructed and offers a high protection rating, making it suitable for use in demanding environments.

  • Switching output: PNP for flexible integration into existing systems
  • Adjustable sensitivity via potentiometer
  • Robust design with IP67 and IP69K protection ratings
  • 4-pin M12 connector for easy connection options.

Key specifications

type of sensor
Optical
Item number
30116029

General information

Manufacturer
Sick
Category
Motion sensors
Manufacturer no.
1041376
Release date
25.4.2023

Material

Material group
Plastic
Material
ABS, Plastic

Motion sensor properties

type of sensor
Optical
Protection type (IP code)
IP69K

Power supply

Power supply
Electrical connection

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Items per sales unit
1x

Product dimensions

Length
4.20 cm
Height
4.85 cm
Weight
120 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Motion sensors» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Sick
    Not enough data
  • 1.eufy
    0 %
  • 1.Renkforce
    0 %
  • 3.Maclean
    0.3 %
  • 3.Ring
    0.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Sick
    Not enough data
  • 1.Aqara
    0 days
  • 1.Goobay
    0 days
  • 1.Pentatech
    0 days
  • 1.Philips Hue
    0 days

Return rate

How often is a product of this brand in the «Motion sensors» category returned?

Source: Digitec Galaxus
  • Sick
    Not enough data
  • 1.Maclean
    0 %
  • 2.Homematic IP
    0.5 %
  • 2.Renkforce
    0.5 %
  • 4.Shelly
    0.7 %
Source: Digitec Galaxus