procurement of spares of ece make , ocb 3 . 3kv , 400amps , from oem , ammeter selector switch , pt . no . srp136ma , voltmeter collector switch , part no . srp135vs , ammeter ( ratio 400/200/5a ) , part no . spl 40-6 ) , wiring kit , part no . ek805888 , indicating lamp holder ( part no . k160 ) , copper connection ( r phase ) , part no . ek804052 , copper connection ( y phase ) , part no . ek804053 , copper connection ( b phase ) , part no . ek804054 , epoxy resin cast current transformer doublew core double ratio 15va , cl . 1 , 5p-10 , ratio400/200/5a part no . ct/5/300 , numerical idmt relay with 3 phase over current , earth fault protection with instantaneous tripping complete with fault display and recording system & self supervision facility , part no . ek-p154 , epoxy resin cast potential transformer3 . 3kv/110v 3 phase complete with h . t . fuse , part no . et/0800/2 , volt meter 3 . 3kv/110v , part no . spl 10-6 , barrier for spout , part no . pf240