bids are invited for isolator 400 amp,3.3 kv on off , isolator fixed contact set , vaccum contactor 400amp, 6.6kv grade , vaccum contactor rectifier (bridge) , vacuum contactor closing coil 110v dc , vacuum contactor holding coil 110v dc , auxilliary switch f/vcum cntctr 2no+2nc , auxiliary contactor 3no+1nc 110v ac , ht control fuse 3.3kv, 2amp , resin cast moulded cbct 6.6kv , resin cast moulded ct for o/l relay 150/5 , resin cast moulded ct for ammeter 150/5 , dmc moulded 6.6kv insulator f/i/c,t/g,o/g&fuse , earth leakage relay unit withouttransformer 0.75 to 3a , ct operated thermaloverload relay , power hrc fuse 6.6kv , brass cablegland complt with cast-iron clamp,stud , isolatorhandle on/off with axel bush , isolator limit switch, single phase preventor(cop-20) pfr make ,undervoltage relay , pilot realy 12dc , contactortriple pole 12 amps ac3 , metal oxide varister mov510/20 f/vcum cntc , resin cast potentialtransfomer 300va 3.3kv/110v, 3 phaseboq title spares for ht dol starter total quantity : 72