procurement of spares of ece make 11 kv, 400amps, hop-5 model ht switch hop-5 model at new kenda colliery of kenda area, ecl from oem or their authorized dealer / agent. , shunt trip coil assembly 110v dc, pd1650t , power pack unit, 110v dc, ek 804052 , copper connection ( r phase ) , ek 804052 , copper connection ( y phase ) , ek 804053 , copper connection ( b phase ) , ek 804054 , fixed contact assly, ek803331 , moving contact assly, ek803284 , epoxy spout, ek808060 , spout fitting, ek 808061 , earth leakage relay 0.3 to 1.8 amps aux. supply 110 v with cbct, ekjrc172. , wiring kit, ek805888 , numerical idmt relay with 3 phase over current, earth fault protection with instantaneous tripping complete with fault display and recording system & self-supervision facility ( with relay box ) , ek-p154