SICK WTB12-3P1111 Photoelectric Proximity Sensor

Selling Points

1Precise Background Suppression: Advanced technology ensures reliable detection of challenging objects.
2High Immunity to Ambient Light: Reduces false readings and downtime with high immunity to ambient light and optical reflections.
3Visible Status LEDs: Simplifies sensing distance adjustments and reduces installation time with highly visible status LEDs.
4Rugged Metal Housing: Withstands high-pressure cleaners and cleaning agents, reducing downtime and extending sensor life.
5Complementary Outputs: Reduces inventory and procurement costs with complementary outputs in one housing.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric proximity sensor	Functional principle detail	Background suppression
Sensing range max.	20 mm ... 600 mm	Sensing range	20 mm ... 600 mm
Emitted beam_Light source	LED2)	Emitted beam_Type of light	Infrared light
Emitted beam_Light spot size (distance)	15 mm x 15 mm (200 mm)	Key LED figures_Wave length	850 nm
Adjustment	Potentiometer, 5 turns	Items supplied	2 x clamps BEF-KH-W12, incl. screws
Supply voltage UB	10 V DC ... 30 V DC	Ripple	< 5 V
Current consumption	55 mA	Protection class	III
Digital output_Type	PNP	Digital output_Switching mode	Light/dark switching
Digital output_Signal voltage PNP HIGH/LOW	> Uv - 2,5 V / ca. 0 V	Digital output_Output current Imax.	≤ 100 mA
Digital output_Response time	≤ 330 µs4)	Digital output_Switching frequency	1,500 Hz5)
Output function	Complementary	Circuit protection	A6)#!#C7)#!#D8)
Housing	Rectangular	Dimensions (W x H x D)	15.6 mm x 48.5 mm x 42 mm
Connection	Cable, 4-wire, 2 m	Connection detail_Conductor size	0.25 mm²
Connection detail_Length of cable (L)	2 m1)	Material_Housing	Metal
Material_Front screen	Plastic, PMMA	Material_Cable	Plastic, PVC
Weight	200 g

Specifications may be subject to change without notice