supply of siemens make sirius relay, mlfb: 3sk1111-2ab30 , siemens make sirius relay, mlfb: 3sk1111-2ab30 [ warranty period: 12 months after th e date of delivery ] ] , siemens make digital monitoring relay mlfb:3ug5642-1cw30 (successor & one to one repl acement of siemens make relay with mlfb: 3ug4622-1aw30) [ warranty period: 12 months after the da te of delivery ] ] , siemens make plug -in relay, 4co contacts mlfb:lzx:pt570024 [ warranty period: 12 mo nths after the date of delivery ] ] , siemens make thermistor motor protection relay, mlfb: 3rn2000-1aa30 (successor & one t o one replacement of mlfb: 3rn1000-1ab00) [ warranty period: 12 months after the date of delivery ] ]