Supply of relay, ac immune, plug-in-type, style qbat, aci, dc biased track relay 9 ohms, 2f-2b contacts, front and back contacts metal to carbon, complete with plug board, retaining clip and connectors conforming as per rdso/spn/84 ver 2.0 or latest if any interlocking code is abejx.

Repairing of 11kv 400a crompton greaves ocb sl. 27902g at bottom pit 11kv substation at industry colliery, adic

For maintenance of 400a, 11kv, ocb with installation of oto and eti protection with the circuitof1000kvatransformer installed at kdsii

Maintenance and reconditioning of 11kv,400a reyrolle burn make ocb si no. 827236 of ara colliery under kuju area.

Complete repairing of 11kv,400a,ece make ocb panel at wtp under govindpur area

Complete repairing and overhauling of 11kv 400a, ocb switch make gec sl no 5647 at site of kenduapool substation under kenduadih colliery.

Complete repairing and overhauling of 11kv 400a ocb switch make gec sl no - 5634 at site of kenduapool substation under kenduadih colliery.

Complete repairing of 400amp 11kv ocb with busbar biecco lowrie for primary controlling 11kv/3.3kv transformer at 07 no sub station abdkc.

Repairing of bieccolawari make, 11kv, 400a, ocb, ctr-100/5, ocb, si. no. p1986 at railway siding, laikdih of dahabari colliery.

Shifting of pump motor with electrical at 0 seam of kuya colliery under abdkc.