WL45-R650: High-Specification Retro-Reflective Photoelectric Sensor by SICK

sick WL45-R650

Selling Points

1Up to 45 meters for reliable detection in various industrial environments.
2Withstands flying particles and debris ingress, ensuring durability in harsh conditions.
3Easy adjustment via potentiometer for precise sensitivity control.
4Selectable light/dark switching mode for flexible operation.
5Operates up to +55°C, with optional cooling plates for up to 140°C.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric retro-reflective sensor	Functional principle detail	With minimum distance to reflector (dual lens system)
Dimensions (W x H x D)	60 mm x 105 mm x 105 mm	Housing design (light emission)	Rectangular
Sensing range max.	1 m ... 55 m	Sensing range	1 m ... 45 m
Type of light	Visible red light	Light source	LED
Light spot size (distance)	Ø 230 mm (16 m)	Adjustment	Potentiometer
Supply voltage UB	20 V AC/DC ... 250 V AC/DC	Power consumption	≤ 6 VA
Switching output	Relay, electrically isolated	Output function	Change-over contacts
Switching mode	Light/dark switching	Switching mode selector	Selectable via time delay selector switch
Switching current (switching voltage)	4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 120 V DC#!#UL: 4 A @ 250 V AC, general purpose / 2 A @ 250 V AC, pilot duty	Response time	≤ 20 ms
Switching frequency	10 Hz	Time functions	Switch-on delay#!#Off delay#!#ON and OFF delay
Delay time	Adjustable via time delay selector switch, 0.5 s ... 12 s	Connection type	Connector Hirschmann, 6-pin
Circuit protection	A4)#!#C5)	Protection class	I
Weight	800 g	Polarisation filter	✔
Front screen heating	✔	Housing material	Metal
Enclosure rating	IP65	Ambient operating temperature	–25 °C ... +55 °C
Ambient temperature, storage	–40 °C ... +70 °C	UL File No.	NRKH.E181493 & NRKH7.E181493

Specifications may be subject to change without notice