SICK WTB250-2N1141 Proximity Sensor - Reliable Object Detection

Selling Points

1Reliable Object Detection: Detects objects with high accuracy in challenging ambient light conditions.
2Background Suppression: Reduces false triggers by suppressing background reflections.
3Adjustable Sensing Range: Adjustable sensing range from 150 mm to 500 mm for versatile applications.
4Compact Design: Compact dimensions (20 mm x 65 mm x 43.9 mm) for easy integration.
5Versatile Voltage Supply: Compatible with 10-30 V DC or 24-240 V DC/AC voltage supply for increased flexibility.

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.	150 mm ... 500 mm	Sensing range	150 mm ... 500 mm
Focus	Approx. 3°	Type of light	Visible red light
Light source	LED	Light spot size (distance)	Ø 30 mm (500 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	Cable, 4-wire, 2 m
Cable material	Plastic, PVC	Conductor cross section	0.18 mm²
Cable diameter	Ø 3.8 mm	Circuit protection	A7)#!#B8)#!#C9)#!#D10)
Protection class	III	Weight	150 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