Complete repairing and rewinding of 93.3kw,120hp marathon make 1470rpm 550volt pump motor of nakrakonda kumardihi b colliery under bankola area

Design manufacturing supply and commissioning of latest technology lt acb 415 volt ac circuit breakers

Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

(1) complete repairing and rewinding of 02(two) nos. c.g. make 20hp s50volt, 2900rpm auxiliary fan motor and (2) complete repairing and rewinding of bharat bijlee make 12.5hp 550volt 950rpm motor of kumardihi a colliery under bankola area.

Growler,set of rowel punch 8, 10 mm,autotransformer 250v, 0 to 300 v,10a,solid state solar based single phase energy meter, bidirectional, 5 to 30 amps, 240 volts,three phase kwh meter analog 25a, 415 v a. c,three phase kwh meter digital 25a, 415 v a. c,wiring board on stand 3 meter x 1 meter with 0.5 meter projection on the top,limit switch, liver operated 2a 500v, 2 contacts,cut out relays 16a, 440v,under voltage relay 360v to 440v,earth electrode primary electrode 2100x28x3.25mm,earth electrode secondary cu strip 20x5mm,bus bar with brackets 1 mtr each,solar panels 250 wp,solar panels 15 wp,solar charge controller with manual switch, day lighting 6v,5 a,dc power supply 250v dc, 25 amp,automatic reverse forward er,soft er 1 ph,field regulator 0 to 1000 ohmic, 2 amps,d.c. shunt motor 3 h.p 250 v with 3 point er and speed regulator, laboratory type,immersion heater 1500 watt, 240v,ac table fan 68 watt, 230 v,dmx controller,rewinding machine,demonstration table 2.5 x 1.25 x 0.75 m,blackboard wit

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

(a) rewinding repairing of one 50 kva 550 415 volt lighting transformer (b) one 200 amps 550 volt a y make acb switch of kumardihi b unit of nakrakonda kumardihi b colliery under bankola area(retender)

Repairing and overhauling of a) gec make 550 v 440 v 600 amps ocb b) kilburn make 600 amps 550 volt ocb c) kilburn make 400 amps 550 volt acb d) abc make 400 amps 550 volt acb at nakrakonda kuamrdihi b colliery under bankola area.

A. repairing and overhauling of 400 amps 550 volt abc make acb switch(sl no flp acb 4824 and b. complete repairing and rewinding of 400amps essb make welding machine at cm project of nakrakonda kumardihi b colliery under bankola area.

Complete repairing and rewinding of 75hp ,550 volt ,740rpm slip ring motor of c and e pit unit under nakrakonda kumardihi b colliery under bankola area.