
Single-beam photoelectric safety switches from SICK offer maximum safety performance. They comprise self-testing senders and receivers or testable senders and receivers combined with an evaluation unit. They have long ranges and come in a variety of types and sizes. They comply with type 2 and/or type 4 in acc. with EN 61496, and PL c and/or PL e in acc. with EN ISO 13849. Applications include robots, processing machinery, machining centers, palletizers, high-bay warehouses and transfer lines.
Cylindrical design
L4000 Systems
Complete system that is highly reliable and offers fast response times
Type 4 (IEC 61496), PL e (EN ISO 13849), only in conjunction with UE401
Small M18 sensors with ranges up to 10 m
Compact M30 sensors with ranges up to 60 m
Enclosure rating IP 67
Temperature range from 20 C ... +55 C
Narrow evaluation device (22.5 mm) with external device monitoring and restart interlock (EDM/RES)
Fast response time of max. 30 ms
Up to 8 sensors can be cascaded
L41
Universal use up to type 4, with safe control solutions from SICK
Type 4 (IEC 61496), PL e (EN ISO 13849), only in conjunction with suitable testing device, e.g., Flexi Classic, DeviceNet Safety
Small M18 sensors with ranges up to 10 m
Compact M30 sensors with ranges up to 60 m
Enclosure rating IP 67
Temperature range from 40 C ... +55 C
L21
Cylindrical design for safety applications up to type 2
Type 2 (IEC 61496), PL c (EN ISO 13849), only in conjunction suitable testing device, e.g., Flexi Classic, DeviceNet Safety
Small M18 sensors with ranges up to 10 m
Compact M30 sensors with ranges up to 60 m
Enclosure rating IP 67
Temperature range from 40 C ... +55 C
Metal and plastic version
Radial optics (90 deflector mirror)
Straightforward diagnostics and service