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 and rewinding of transformer 3.3kv/440v of 250 kva and 100 kva transformer,&#x0d 3.3kv/440v installed at asnapani maszid mohalla and nicchala mohalla&#x0d under g.m.unit,kathara.&#x0d

Repairing and reconditioning of 400 amp 3.3kv ocb for primary control of 630 kva transformer at 4 no. colony of kathara colliery.

Repairing of 630 kva, 3.3kv/440v, lighting transformer under kathara colliery

Maintenance and repairing of 01 nos 1mva 11 kv/3.3kv power transformer and 11 kv , 400 amp gec ocb sl.- sar/ocb/01 and 3.3kv , 400a belgium make ocb sl. no.-sar/ocb/02 at 10 no main substation sarubera project under kuju area.

Repairing of (a) ocb 550v, 400a, make-reyrolle, sl.no 2rse/649 for filter-bed and (b). 3.3kv switchgear of ocb 200a, 550v, make- reyrolle swg/fb/ocb/03 at filter bed of gvp ph-ii ocp, kathara area

1) upgradation of 400 amps, 3.3kv grade becolarly make, oil circuit breaker (ocb). &#x0d 2) upgradation of 400 amps, 3.3kv grade ece make switch of barmondia colliery under salanpur area.

Repairing of 3.3kv, 400amps biecco lowery make &#x0d ocb switch type nflp, sl.no. m-1956 for controlling of &#x0d 750kva, 400volts transformer of damoda colliery.&#x0d

Repairing of 3.3kv, 100-amps, m.v. make ocb s.no. sdp/pnm/67 and 3.3kv, 400-amps, biecco lawrie make ocb secondary main controlling switch of 1-mva power transformer of sheetalpur colliery under sodepur area

Installation and commissioning of 2mva, 11kvc, 3.3kv transformer at 9.0 kathara colliery.