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Tender For three phase variac 0-480 v ac, 1 1 5-1 50a(three phase variable supply)3 phase 4 wire with digital voltmeter & ammeter for showing the load 0-440v variable power supply enclosed type manual or motor operated suitable for testing 60kva three phase transformer & other electrical equipment oil cooled suitable for floor mounting. [ warranty period: 30 months after the date of delivery ]
Tender For supply of metal rectifier/battery charger 230 volt ac/ 110 volt dc, 60 amp warranty- 30 months specification attached as an nexure 'a' [ warranty period: 30 months after the date of delivery ]
Tender For supply of auto transformer (variac) 2a open type single phase, input: 230v, ac 50hz output: 0 to 270 v make: automatic electric(ae) or ic dot or similar [ warranty period: 30 months after the date of delive ry ]
Tender For supply of ac high voltage breakdown tester,power: 230v ac, 50 hz voltage range: 0 to 5 kv ac leak age current range: 0 to 100 ma test voltage range settable by knob of variac. trip current settable by pr ess to set switch and potentiometer on ma meter. metering: 3 1/2 digit digital kv meter, ma meter accurac y: kv: 2 % of reading +/- 3 digit, ma: 1.5%+/- 2 digit resolution: 0.1kv, 0.1ma respectively programmable timer: range: 0 to 999 seconds indications: trip, hv on, hv off. alarm: buzzer alarm for hv on accessori es: 1) mains cord 2) banana to crocodile hv test probe 3) hv test probe with mx connector & hv enable s witch make: zeal , model: zmhv5a100 or equivalent of any reputed make. [ warranty period: 12 months after the date of delivery ]
Tender For corrigendum : procurement of 8nos various outdoor vcb spares suitable for various makes of vcbs 1)spring charging motor with bridge rectifier 2) spring charge motor with gearbox erl/ stelmec/cgl delco motor 3) big cam with main shaft with bearings with gunmetal material 4) closing latch assembly (system control, megawin, bhel) 5) remote/local switch 6) master trip relay 2 no &2 nc 7) alstom ratchet wheel assembly and ss pin with gun metal 8) anti-pumping & timer circuit
Tender For supply of kv meter self illuminated flush type moving coil ac voltmeter with inbuilt rectifier with metal clamp and shock proof rubber gasket to range 0-170 volts to be graph 0-30kv with suitable cali bration as 140 v showing 25 kv. size 96 x 96 mm accuracy +/- 1.5% to is : 1248/1968 or lates [ warr anty period: 30 months after the date of delivery ]