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 701-9250 ; ; 701-9269 701-9269 have a M18 body, stock nos
; 701-9253 701-9253 ; ; 701-9256 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）
