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Tender For supply of bakelite sheet cover suitable for ht fuses area of sbc panel in lhb ac coaches. th e cover should be of size 18 x 11 x 7 inch (lxbxh). the bakelite sheet should be fire retardant and low smo ke type. the sheet should be of minimum 4 mm thickness. make brand-tata or similar [ warranty period: 30 months after the date of delivery ]
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
Tender For procurement of spares for annual maintenance contract of chep-i - lpg gas refilling, oxygen gas refilling, mobil oil 600 xp 220, pvc insulation tope, repair cooling water pumps 3.5 /3 hp( monoset pump), champion gasket 0.5mm/1mm/1.5mm( 06 kg each.), hrc fuses 2a/4a/6a/10/16a (08 each), nitrogen gas refilling ( working pressure 200 bar), proportional valve ( moog make)(repair), rtds as per sample, crc 226 (400 ml), governor hydraulic hose pipe 22mm dia 4 feet length for opu with end fittings and clamps( indo- makkisson 2at-im-8 hi-impulse din en853)
Tender For installation of 11 kv type ht fuses and meter cubicle stand -by ct at jackwell, kembal wtp and pinjarapole ibps of bidargud plant of kabini water supply project of mysuru city corporation.
Tender For supply of anemometer unit u sonic solid state,fuse 5ooma,fuse holder,mfcr fuse kit,miu fuse kit,miu fuses 5aa s set of 10,miu main processor pcb,multi function colour repeater,sea water temperature sensor
Tender For bid to ras repair of mt vehicals - clutch plate and pressure plate , release bearing , water pump assy , water pump belt adjuster , fan belt , gear shifting lever , gear box top lathe work , flywheel bolt , lock washer , propellar shaft bolt , clutch booster , clutch booster union , power steering container , power steering main pipe , power steering return pipe , hose clamp , pump injector bolt, nut bolt, washer and lock nut , clutch master cylinder , clutch pedal bolt , gear lever end long , gear lever end small , door catch , door lock , self starter overhauling by rewinding the armature assy, field coil repair and repalcement of carbon brushes , alternator overhaul , brake shoe liner rear , flywheel facing , hand brake assy with union, pipe and adaptor , windscreen glass , windscreen beading , windscreen glass fitting charges , brake booster front overhauling , brake bosster rear overhauling , gear box mounting bolt , radiator top , air compressotr main pipe , headlight relay , air horn 12v , reverse light switch , electrician labour charges for repairing all broken electrical wires, replacement of fuses and bulbs , mechanical labour charges for the removal of gear box assy, stripping, replacement of pressure plate , pa microphone mm60 , pa mixer amplifier , pa horn speaker , rotating drum light 24v , wiper motoe assy , air horn assy , horn relay pin type , penal switch , door channel , door handle with screws , door regulator , wiper blade , electrical wire red, yellow and blue , insulation tape , wire flexible sleeve , bulb 24v 41w , pto pump assy , union adaptor , mechanical labour charges for the removal of old items and fitment with new spares parts , brake light switch , electrical wire 4mm , repair of gearbox assym stripping, repair of no 2 gear slippage with necessary spare parts , ananod , clutch housing removal, repair with necessary parts and refitting , battery master switch , gear lever kit , nut bolt, washer, split pin and cotton waste , electician labour charges for reparing all broken electrical wires, replacement of fuses and bulbs