Allen Bradley Guardmaster Dual-Channel Safety Switch/Interlock Safety Relay, 24V ac/dc, 8 Safety Contacts

Safety relay device with multiple supply voltages and immediate and delayed action outputs, making it particularly suitable for use with PLC's
Monitors PLC safety function, input devices and contactors
LED status indicators
Fail-safe internal monitoring
Monitored tamperproof reset facility
Dual channel input circuits
Lock-out at single detected fault

GSR equivalent: 751-1037 safety relay, 751-1030 expansion module with delayed outputs and 2 x 751-1021 expansion modules with instantaneous outputs.

EN 60204-1; EN 954-1