Product Model

WTB9M4-3P1111

Manufacturer

sick

Key Features

1Best-in-class performance: The WTB9-3P1111 features advanced optics with PinPoint LED for precise detection and background suppression.
2Robust housing: Built with VISTAL™ technology, the sensor is housed in a high-strength fiberglass-reinforced plastic for durability.
3Versatile mounting: Offers variable mounting options with slotted holes for M3 or M4 screws, ensuring easy installation in various applications.
4Wide sensing range: Detects objects from 20 mm to 350 mm, providing flexibility in different scanning distances.
5Reliable operation: Designed with continuous threshold adaptation and interference pulse suppression for clear material object detection.

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)	12.2 mm x 50 mm x 23.6 mm	Housing design (light emission)	Rectangular
Mounting hole	M4	Sensing range max.	20 mm ... 500 mm
Sensing range	20 mm ... 250 mm	Type of light	Infrared light
Light source	LED	Light spot size (distance)	Ø 20 mm (250 mm)
Wave length	850 nm	Adjustment	Potentiometer, 5 turns
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	A9)#!#B10)#!#C11)	Protection class	III
Weight	80 g	Housing material	Plastic, VISTAL®
Optics material	Plastic, PMMA	Enclosure rating	IP66#!#IP67#!#IP69K
Ambient operating temperature	–40 °C ... +60 °C	Ambient temperature, storage	–40 °C ... +75 °C
UL File No.	NRKH.E181493

Specifications may be subject to change without notice