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

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

Auxiliary transformer 80va pri 500 525 550, part no. fs2004c,air breaker contactor 16amps, part no fs2003a,air break contactor 63 amps, part no fs2003e,direct acting thermal overload relay, part no fs2010a,earth leakage relay complete w.o. transf, part no fs2018,pilot relay 12v dc, part no fs2026,auxiliary contactor 2no 2nc 110v 415v 550v, part no fs2020,auxillary cantactor 3 no 1nc 110v 415v , part no fs2020a,i.s. pilot oanel instrinsically safe, part no fs2035,air break contactor 40amps upto 20hp 550v, part no fs2003c,isolator 200 amp,3.3 kv on off, part no ht100,vacuum contactor 400 amps, 3.3kv, part no ht200,bottle vaccum interrupture 400a for cont, part no ht202,auxiliary contactor 3no 1nc, 110v, part no ht208,resin cast p.t. 750va, 3.3kv 110 volt, part no ht300,resin cast p.t 300va 3.3kv 110v, 3 phase, part no ht350,resin cast moulded ct for o l relay 75 , part no ht600,resin cast moulded ct for ammeter 150 5, part no ht650,earth leakage relay unit complete witho, part no ht800,3 pole magnetic o l relay

Repairing/ rewinding of 250kva, 3.3kv/550v flp transformer of gidi c colliery.

Repairing/ rewinding of 250kva, 3.3kv/550v flp transformer of gidi c colliery

Repairing/rewinding of 250kva 3.3kv/550v transformer si. no. d1025869, make metropolitan vickers installed at tillaiya village under urimari ocp.

1.maintenance and separation of 440v power line at officer quarter and agent bungalow under 250kva. 3.3kv/440v lighting transformer of chinakuri mine-ill colliery under sodepur area.&#x0d 2.maintenance of 3.3kv/550v/440v power line at chinakuri mine-ill

For repairing of ht/lt controlling of tsu 3.3kv/550v,315kva,sl.no.021 mine line for tetulmari colliery under sijua area

Repairing n rewinding of 315kva, 3.3kv/550v tsu of amritnagar colliery.

Repairing of 500-kva, 11kv/550v hindustan make power transformer and 250-kva, 3.3kv/550v old type power transformer of parbelia colliery under sodepur area.