The L21 single-beam photoelectric safety switch comprises a sender and a receiver. The correct function of the L21 switch can be checked with the aid of the test input on the sender. In connection with a suitable evaluation unit, e.g. UE410 Flexi, DeviceNet safety products, performance levels up to PL c in accordance with EN ISO 13849-1 can be achieved.

Colour LEDs provide in-situ information on operational status
Suitable for outdoor applications
Metal housing, IP67 rated
Inputs/outputs compliant with EN 61131
Large scanning ranges
Small design/construction (stock nos. 701-9250 & 701-9269 have a M18 body, stock nos. 701-9253 & 701-9256 have a M30 body)
Connection: M12 plug
Radial optics (90° deflector mirror)
Simple diagnostics and service
Type 2 (EN 61496), SILCL1 (IEC 62061), SIL1 (IEC 61508), Category 2 (EN ISO 13849), PL c (EN ISO 13849)

Single Beam Safety Device