Weidmuller SAFESERIES SIL3 Safety Relays offer a 24VDC voltage rating, 6A continuous current rating, and test inputs for testing the relay contacts. These relays are designed for “energized” and “de-energized to safe” functions, have an “approved safety function”, and all-pole switch-off is possible. Weidmuller SAFESERIES SIL3 Safety Relays have an externally accessible fuse and are suitable for timing functions, sensor isolation, and signal adaption.