Product Model

WTB250-2N2431

Manufacturer

sick

Key Features

1The WTB250-2N2431 features a compact rectangular housing, measuring 20 mm x 65 mm x 43.9 mm, ideal for space-constrained applications.
2With a maximum sensing range of 100 mm to 300 mm, this sensor is versatile for various detection tasks.
3Designed to last, the WTB250-2N2431 has an average service life of 100,000 hours at +25 °C, ensuring reliability in demanding environments.
4The sensor includes a potentiometer for adjusting the sensing distance, allowing for precise tuning to specific detection needs.
5Equipped with an IP67 rating, this sensor is resistant to dust and water ingress, making it suitable for harsh industrial conditions.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric proximity sensor	Functional principle detail	Background suppression
Dimensions (W x H x D)	20 mm x 65 mm x 43.9 mm	Housing design (light emission)	Rectangular
Sensing range max.	100 mm ... 300 mm	Sensing range	100 mm ... 300 mm
Focus	Approx. 3°	Type of light	Visible red light
Light source	LED	Light spot size (distance)	Ø 30 mm (300 mm)
Angle of dispersion	Approx. 3°	Adjustment	Potentiometer, 2 turns#!#Potentiometer, 2 rotations
Supply voltage UB	10 V DC ... 30 V DC	Ripple	< 5 V
Current consumption	35 mA	Switching output	NPN
Switching mode	Light/dark switching	Switching mode selector	Selectable via L/D control cable
Output current Imax.	≤ 100 mA	Response time	≤ 3 ms
Switching frequency	160 Hz	Connection type	Male connector M12, 4-pin
Circuit protection	A7)#!#B8)#!#C9)#!#D10)	Protection class	III
Weight	40 g	Housing material	Plastic, ABS
Optics material	Plastic, PMMA	Enclosure rating	IP67
Items supplied	BEF-W250 mounting bracket	Electromagnetic compatibility (EMC)	EN 60947-5-2
Ambient operating temperature	–25 °C ... +55 °C	Ambient temperature, storage	–40 °C ... +70 °C
UL File No.	NRKH2.E300503 & NRKH8.E300503

Specifications may be subject to change without notice