Allen-Bradley 440N-G02094 Ferrogard non-contact safety interlock switch is a compact, magnetically actuated device designed to gate access to hazardous machinery. The FRS2 variant features 24V DC operation with a 4-pin M12 micro QD connector and a rectangular red ABS housing. It provides a 1 normally closed (NC) safety contact plus a 1 normally open (NO) auxiliary contact, enabling both safety interlock signaling and auxiliary monitoring. Commonly used in guarding applications on industrial equipment to ensure doors or gates remain securely interlocked during operation.
