SIEMENS 3SK1111-2AB30-0AX0 – SIRIUS safety relay | JUAL SIEMENS 3SK1111-2AB30-0AX0 – SIRIUS safety relay basic unit Standard series relay enabling circuits 3 NO contacts plus relay signaling circuit 1 NC contact Us = 24 V AC/DC spring-loaded terminal (push-in) (with painted PCB)