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Photoelectric safety switches for use in extreme application conditions



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


 





 

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