procurement of spares for ece make ocb 3 . 3 kv , 400amps . , please fillup gst registraion no . , earth leakage relay with current display system , part no . eat-6610c , idmt relay complete set with 2 over current & 1 earth fault/high set , part no . eat-6561 , power pack unit 110v dc , part no . bt-5999 , isolating spout assembly with nylon shroud , part no . btc-9977 , auxiliary plug and socket assembly complete set , part no . bt-4850 , copper connection complete set ( consisting of 3 pcs . in phase ) r/y/b , part no . bt-8889 , earthing bar contact , part no . bt-8810 , jaw contact assembly set , part no . bt-4050 , instrument panel wiring , part no . bt-5888 , epoxy ocb bushing , part no . bt-8195 , operating mechanism complete set , part no . bt-4911 , ece make epoxy resin cast potential transformer ratio - 3 . 3kv/110v , part no . bt-4102 , p . t . connector ( copper ) , part no . bt-7788 , bushbar connection r/y/b , part no . bt-8818 , shunt trip coil assembly , part no . 1650ts , carriage assembly complete with operating mechanism ( 400/630a ) , part no . bt-5550 , high speed tripping relay , part no . eat-6890 , under and over voltage relay , part no . eat-6591 , arc control pot ( separator ) , part no . eta-6050876 , ocb fixed contact assembly complete set ( 01 set consisting of 06 pcs . ) , part no . bt-4510c , ocb moving contact assembly complete set ( 01 set consisting of 03 pcs . ) , part no . bt-5551c