Latest power transformer scrap Tenders | Government power transformer scrap Tenders

State Government

CTN :39565718

10 Mar, 2025 1.51 Lacs

Udhampur - Jammu And Kashmir

Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v

Central Government/Public Sector

CTN :39606436

20 Mar, 2025 NA

Raigarh - Chhattisgarh

Tender For supply of supply - battery charger - 220v, 100a float cum boost charger complete in all respects , supply - battery charger - 48v, 100a float cum boost charger complete in all respects , spares - battery charger - 220v dc, set of electronic cards or modules , spares - battery charger - 220v dc, set of auxiliary relays , spares - battery charger - 220v dc, set of fuse links and glass fuses , spares - battery charger - 220v dc, 3 phase rectifier bridge complete assembly , spares - battery charger - 220v dc, rectifier transformer , spares - battery charger - 220v dc, control transformers , spares - battery charger - 48v dc, set of electronic cards or modules , spares - battery charger - 48v dc, set of auxiliary relays , spares - battery charger - 48v dc, set of fuse links and glass fuses , spares - battery charger - 48v dc, 3 phase rectifier bridge complete assembly , spares - battery charger - 48v dc, rectifier transformer , spares - battery charger - 48v dc, control transformers , services - supervision of installation, testing and commissioning of 220v, 100a float cum boost charger , services - supervision of installation, testing and commissioning of 48v, 100a float cum boost charger

Central Government / Public Sector

CTN :39619606

28 Mar, 2025 NA

Vijayawada - Andhra Pradesh

Tender For supply of set of spares for welding machine : (1)mcb; description:32a 3pole c-curve, 415v, with breaking capacity 6 ka similar to make chint nb1-3-32c ; quantity: 150 no's; (2), secondary diodes ; description:forward current (per leg if=150a, per device if=300a), with vr-200v similar to make sir ectifier srud30040ctd3 ; quantity:50 no's; (3),fuse(5a) ; description:glass fuse 5a/30mm ; quantit y:40no's; (4),bridge rectifier; description:100a,1600v three phase bridge rectifier similar to make m ds 100-16 ; quantity:20no's; (5),3 pin socket machine ; description:female socket with square type mounting base of dimension (25.23mmx25.23mm) and outercircular dia for connecting 15.07mm on the base with threading similar present in mogoro make; quantity:10 no's ; (6),3 pin socket torch; d escription:male socket of round type outer circular dia 19.75mm with threading type to fix to female socket similar present in mogoro make ;quantity: 10no's; (7)10 pin socket ; description:male socket of round type outer circular dia 23.04mm with threading type to fix to female socket similar present i n mogoro make; quantity:10 no's (8),igbt ; description:ic(nom)=100a,ic=160a(25 degree centi), v ces=1200v, similar to make semikron skm100gb12t4; quantity:50 no's; (9)output connector; desc ription :connector lug type flat output connector suitable for 400a welding plant with round insulatio n suitable for ador-fontech,mogoro and aimweld machines; quantity:250 no's ; (10), output connecto rs ; description: welding cable plug connectors. male connectors with current 200a-400a applicable cable standard section 70-95mm square suitable for diffusion and kemppi; quantity:50no's (11), out put connectors ; description: welding cable plug connectors. female connectors with current 200a- 400a applicable cable standard section 70-95mm square suitable for diffusion and kemppi ; quantit y:50no's [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :39619000

22 Mar, 2025 NA

Ahmedabad - Gujarat

Tender For supply of startek rectifier inverter based(igtb) double bridge type welding set 240v,single phase br and:-startek as per attached specification. [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :38656693

17 Mar, 2025 NA

Visakhapatnam - Andhra Pradesh

Tender For corrigendum : supply of 70 amp diode bridge rectifier

CTN :39530109

11 Mar, 2025 2.01 Lacs

Chatra - Jharkhand

Tender For providing and fixing bridge rectifier, module single diode, speed monitor and ceramic porcelain busbar support with related spares at different location under chp-cpp/ppr.

corporations/Associations/Others

CTN :39408373

18 Mar, 2025 4.00 Crore

Ajmer - Rajasthan

Tender For corrigendum : supply of spare parts of vcbs - shunt closing coil with plunger assembly [aux volt: 110v dc], series & shunt trip coils with plunger assembly & mounting bracket [4 coils = 1 set), shunt trip coil with plunger assembly [aux voltage: 110 v dc], fuse hrc link 10 a, hrc fuse base 32 a, spur gear big, spur gear small, pole assambly (barrier, vacuum interrupter & upper-lower bus bar), epoxy barrier, vacuum interrupter, roof bushing, roof bushing with copper stem & assembly, wiring of trolley, operating mechanism, (spring charged store energy), spring charging motor mechanism,, ammeter selector switch, breaker auxiliary switch [contact: 6 no+ 6 nc] ,, breaker auxiliary switch [contact: 8 no+ 8 nc] ,, voltmeter [type: analog, size: 96x96 sq.mm] (range: 0-15 kv), ammeter (96x96 sq.mm) range: 0-100-200-400/5a, test terminal block rear connection, relay test terminal block, breaker control switch, trivector meter (tvm), ac ht static meter suitable for 3 ph 4 wire unbalanced load [ct ratio: 100-200-400/5a ptr: 11 kv/110 volt], numerical relay 3 o/c & 1 e/f, make _____, current transformer [ratio: 400-200-100/5-5a, stc: 16 ka protection core:5p/15 va, metering core: 0.5s/15 va], indoor single phase resin cast potential transformer, ratio: 11 kv/110 volt, burden: 100 va,, pt primary fuse [ rating: 11kv, 3.15 amp,, jaw contact / disconnecting contact [ ratio: 630 amp & above], charging link with assembly for bb1-3, epoxy post insulator, wiring of trolley , type:rb1-3, power factor meter, shunt trip coil with plunger assembly, aux voltage: 110 vdc, bridge rectifier, power pack 100watt ,110vdc, upper terminal-l type, middle terminal-l type, earthing bus bar l type [50x6 mm copper], copper flexible bus bar, pt jumper, middle terminal-pad, top terminal pad, limit switch/micro switch, toggle switch, door switch, 32 pin plug socket, push button-black shroud, local-remote switch, terminal connector, indication lamp, antipumping relay, heater, thermostate, labour charges per breaker for inspection & fixing of required spare parts to put defective breaker in operating condition

Central Government/Public Sector

CTN :39498684

10 Mar, 2025 11.73 Lacs

Sidhi - Madhya Pradesh

Tender For supply of spare parts of auto transformer starter - vaccum contactor 400amp, 6.6kv grade , isolator630a, 6.6kv on-off earth , contactor tp.12 amps ac3duty fitted wit , metal oxide vrstr mov 510, 20 fvcum cntc , diode by255 for vacuum contactor ,vacuum contactor rectifier bridge , vacuumcontactor closing coil 110v dc , vacuumcontactor holding coil 110v dc , p.t 50va ,pri 0 to110v, sec 0 to 8 to 12v , resin cast p.t 200va, voltage6.6kv,110v, 3 ph , earth leakage relay30ma,3a,withtime delay , ammeter selector switch , voltmeter selector wsitch , push button withelement for start, sto , lamp holder with lamp on,off, trip , timer electronics 3sec to 3min, on delay ,relay overvoltage and undervoltage , auxiliaryswitch for vacuum contactor 2n , auxiliarycontactor 3no , plus 1nc, 110v , epoxy mouldd 2core ct ratio 125, 200, 5plus5 , ct oprted , ct sec 5a,motor prtectn relay , ammeter, 96 sq mm ,voltmeter 96 sqmm , local rmte slctr swtch 1pole2way wo off , toggle switch f led lamp and spaceheater

CTN :39497964

20 Mar, 2025 NA

Hyderabad-T - Telangana

Tender For supply of lithium backup battery 3v p.no 6fc5247 oaai8 0aa0 , 1600mah 3.6v aa nimh battery , battery 6v model br 2 by 3agct4a , battery 6v model br agcf2w , battery 9v rechargable , battery 12v 7ah , ups 1.5kva , charger for 9v battery , digital multimeter model 117 true rms , multimeter probes in paires , vacuum cleaner 1200w 2ltr , soldering paste flux 15g , lead guage 18 50g , lead guage 22 50g , soldering iron 35w 230v , soldering station with 10bits model 878d , 4 x 4 inch fans 230vac , 6 x 6 inch fans 230vac , wire cutter , wire stripper model 84 475 , cutting plier 8inch , nose plier model 1420 6 , line tester model 813 , tester 200mm long model 818 , mcb 6a 230vac , mcb 2a 230vac , mcb 3 pole 16a 440vac , mcb 4 pole mcb 16a 440vac , mcb 3 pole mcb 32a 440vac , mcb 4 pole mcb 32a 440vac , cupper lugs type pin size 10sq mm , cupper lugs type pin size 16sq mm , limit switch spe 62 10a 380vac , limit switch 5000v 10a , emergency push switch for siemens controller , shrink sleeves 2mm , shrink sleeves 3mm , shrink sleeves 5mm , shrink sleeves 10mm , card reader model ts rdf8k2 , relay model 2c by o mcc 12d 5 , relay model 2c by o mcc 240a 5a , bridge rectifier 1 phase model 3510 , 3 phase contactor model lc1d09 , 3 phase magnetic contactor model src3631 5 1 , 3 phase overlod relay 1.9 3.6a model rca3737 1c , electrical bross holder , electrical bed switches , 2 feet tube light 230vac 18w , cnc machine lamp set length 2feet 230vac 10w water proof , cfl 11w 230v 2pin lamp , cfl 9w 230v 2pin lamp , cfl 7w 230v 2pin lamp , cfl 36w 230v 4pin lamp 1feet length , cfl 36w 230v 4pin lamp 2feet length , spot light lamps 12vdc 24w 2pin , led machine lamp set water proof 24vdc 18w , flood lamp 15w 230vac , cnc machine lamp flexible stand led 9w 230vac spot light water proof , 2 core wire 1.5 sq mm 90meter bundle , flexible pvc pipe black dia 0.5inch 20metrer bundle , flexible pvc pipe black dia 0.75inch 20metrer bundle , flexible pvc pipe black dia 1inch 20metrer bundle , flexible pvc pipe black dia 1.5inch 20metrer bundle , flexible pvc pipe black dia 2inch 20metrer bundle , cable glands 2.5 sq mm , cable glands 4 sq mm , cable glands 6 sq mm , cable glands 10 sq mm , insulation tapes 10m lenth red , insulation tapes 10m lenth yellow , insulation tapes 10m lenth blue , insulation tapes 10m lenth green , insulation tapes 10m lenth black , usb 3.0 sata iii hard drive adaptet cable 2.5 inch , ide to sata adapter conver laptop 44 pin male ide pata hdd hard disk drive ssd to a serial ata port

CTN :39484626

24 Mar, 2025 72.00 Lacs

Jodhpur - Rajasthan

Tender For electronics lab items - semiconductor & power semiconductor device trainer, rectifier, filter, zener regulator experiment trainer, power semiconductor trainer, power electronics trainer, digital multimeter 3 digit) ,4000 counts, 50mhz economy digital storage oscilloscope, pcm,dpcm / adpcm modulator and demodulator trainer, delta, adaptive delta, sigma delta, cvsd modulator & demodulator, ask, fsk, psk, qpsk bpsk modulator & demodulator, frequency modulation & demodulation techniques, am / fm radio receiver trainer, pam-ppm-pwm and line coding techniques, microwave test bench (klystron based), advanced microwave test bench (gunn based), antenna training setup (big version) antenna training system, cdma modulation / demodulation trainer, fiber optics cable trainer, 50mhz economy digital storage oscilloscope, digital multimeter 3 digit) ,4000 counts, local area network (lan) trainer kit, digital logic gates trainer, half/full adder, subtractor, alu trainer, flip flop, counters & shift register trainer, multiplexer, decoder & encoder, digital trainer, 8051/89c51 microcontroller development and training platform, arm micro controller development platform, dc/ac bridge trainer, calibration of voltmeter and ammeter trainer, calibration of wattmeter using phantom loading, lcr meter (digital), displacement sensing transducers trainer, temperature sensing transducers trainer, strain gauge transducer trainer, 50mhz economy digital storage oscilloscope, operational amplifier circuit trainer, analog to digital and digital to analog trainer, experimentation with astable and monostable multivibrator, understanding and experimentation with digital ics, digital multimeter 3 digit) ,4000 counts, lrc meter, tong tester, pcb prototype machine, voltmeter, ammeter, ammeter, dc/ac bridge trainer, dc slide wire potentiometer, cromptpn potentiometer, single phase energy meter, q-meter meter, 50mhz economy digital storage oscilloscope, displacement sensing transducers trainer, advanced microwave test bench (gunn based), fiber optics cable trainer, cdma trainer kit, plc trainer kit, control system trainer kit

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