Tenders for Supply of Three Pole Power Contactor Complete, 1Kv, Control Voltage Ac 440V Plus 10 Percent / Minus 20 Percent, 50Hz, Current 630 Amp. With Aux. Contacts 4 No Plus 4Nc, As Per Sr No. 21 Of Bill Of Material Of Annexure-B Of Rcf Specification No. Edts-103, Re V-D With Amendment No.7 And Confirming To Rcf Specification No. Edts-103, Rev-D With Amendment No.7. Make Rcf Approved As Per Bom Sr. No 21.