POWER CONTACTOR 4 POLE 200AMP, 750 VAC, COIL VOLTAGE 415 VAC, 2NO + 2NC AUX. CONTACTS, WITH SURGE SUPPRESSOR, AS PER SERIAL NO 57, AND ITEM NO K- 01, OF BILL OF MATERIAL OF RDSO SPEC NO RDSO/ PE/ SPEC/ AC/ 0184- 2015 USED FOR FEEDER CONTACTOR NET 1, NET 2, AND CONFIRMING TO RDSO SPEC NO RDSO/ PE/ SPEC/ AC/ 0184- 2015 REV. 0, SUITABLE FOR LHB TYPE AC COACHES SWITCHBOARD CABINET [ K- 01 ] specn: RDSO/ PE/ SPEC/ AC/ 0184- 2015