Custom bid for services - work of supply and fixing of 36kv vacuum interrupter chambers

Erection of poles and surge arrestor in weighbridge for safety of human life and machinery parts from lightning at weighbridge under phularitand amp colliery barora.

Repairing and rewinding of 1mva transformer 11kv 3.3kv of amritnagar colliery

Repairing of 40hp haulage motor 02 nos and 3.3kv 100amp acb of jambad colliery

Maintenance/overhauling of 03 nos of 11kv/3.3kv transformers at ningha colliery, satgram-sripur area

Flameproof transwitch unit (flp tsu) 315kva, 3.3kv/550v (or 525v),flameproof switch board panel comprising of seven flameproof 3.3kv, 400a vcb,flameproof switch board panel comprising of four flameproof 3.3kv, 400a vcb,flameproof vacuum circuit breaker 3.3kv, 400a,flameproof air circuit breaker 400a, 550v,flameproof air circuit breaker 200a, 550v,flameproof air circuit breaker 100a, 550v

3 pole vacuum contactor, rated current 630 amp, size- s14 part no-3tf6844-0cq7, make-seimens

Repairing of 3.3kv, 500kw, 1492rpm,sl.no.3ff330666-1 marathon make squirrel cage induction motor of steel chord belt at shyamsundarpur colliery under bankola area.

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Supply and fitting of pin bush coupling with bolt and bush in pv 300 ventilation fan of khottadih colliery