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Tender For supply of pantograph selector switch for e-70 brake system provided locomotives as per ftrtil part no. 025011000 . [ 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 supply of indicating lamp part no me4543 or equivalent , ammeter part no mes4701 or equivalent , voltmeter part no mes4702 or equivalent , ammeter selector switch part no mes4703 or equivalent , voltmeter selector switch part no mes4704 or equivalent , copper busbars main horizontal for field switch part no mdn8789 or equivalent , copper busbars incoming for field switch part no mdn8790 or equivalent , copper busbars outgoing for field switch part no mdn8791 or equivalent , heavy duty epoxy resin cast potential transformer draw out type ratio 6point6 kv 110 v part no med2125 or equivalent , auxiliary switch 8 noplus8 nc part no me4542 or equivalent
Tender For supply of general servicing of 1.5 or 2.0 tr wac or sac units , sitc of 1.5 tr resiprocating type compressor , sitc of 2 tr resiprocating type compressor , sitc of 1.5 tr rotary type compressor , charging of refrigerant gas for 1.5 tr wac or split ac , charging of refrigerant gas for 2.0 tr wac or split ac , replacement and reparing of thermostate , replacement and reparing of starting capacitor 80 to 100 or 120 mfd , replacement and reparing of running capacitor 36 or 40 mfd , replacement and reparing of relay for wac or split ac , replacement and reparing of wiring kit for wac unit , replacement and reparing of selector switch for wac unit , rewinding of condensor or blower motor for ac unit incuding replacement of bush , replacement and reparing of blower fan motor capacitor 4 or 6 mfd , repairing of pcb for wac or split remote control unit , replacement of faulty or irrepairable pcb for 1.5tr split ac unit , sitc of blower fan motor for 1.5 or 2 tr window or split ac , supplying, installation of condensor or blower fan blade , top up or additional charging of r-22 or 32 gas , supplying and drawing of 3x2.5 sq. mm frls pvc copper single core cable , supplying and drawing of 6x2.5 sq. mm frls pvc copper single core cable , supplying and fixing of 20mm medium class pvc conduit , supplying and fixing of 25mm medium class pvc conduit , supplying and fixing dp sheet steel enclosure with 25 or 32amps 240 volts c curve dp mcb , supplying and fixing of 5 a to 32 a rating, 240 or 415 v, 10 ka, c curve, spn mcb , supplying and fixing of 3x2.5 sq. mm pvc frls round sheathed multi core bright annealed bare copper cable , dismentalling of existing 1.5 or 2.0 tr capacity window or split ac units , transportation of existing 1.5 or 2.0 tr capacity window or split ac units , itc of 1.5 or 2.0 tr capacity split ac units , pdg and fixing of 1 by 4 inch dia copper refrigerant piping , pdg and fixing of 5 by 8 inch dia copper refrigerant piping , providing and fixing 12 mm thick particle board , supplying and fixing suitable size ms stand for split type ac outdoor unit
Tender For tender for supply of breaker chaning handle for meditron make 11kv , 200a-100a/5-5a vcb switches , insulators complete set for unitized s/ s for meditron make 11kv , 200a100a/5-5a , vcb switches , support insulator for isolator mv5610 / for meditron make 11kv , 200a100a/5-5a , vcb switches , trip coil me4537 / for meditron make 11kv , 200a-100a/5-5a vcb switches. , closing coil me4538 / for meditron make 11kv , 200a-100a/5-5a vcb switches , auxilliary switch 6no +6nc for meditron make 11kv , 200a-100a/5-5a vcb switches , indicating lamp me4543 / for meditron make 11kv , 200a-100a/5-5a vcb switches , push button with contact block for meditron make 11kv , 200a-100a/5-5a vcb switches , trip neutral close switch for meditron make 11kv , 200a-100a/5-5a vcb switches , heavy duty epoxy resin cast potential tr for meditron make 11kv , 200a100a/5-5a vcb switches , single phase rectifier/ power pack 110 vo mer5340 / for meditron make 11kv , 200a-100a/5-5a vcb switches , ammeter selector switch mes4703 / for meditron make 11kv , 200a100a/5-5a vcb switches , voltmeter selector switch mes4704 / for meditron make 11kv , 200a100a/5-5a vcb switches , complete manually operated mechanism mev4222 for meditron make 11kv , 200a 100a/5-5a vcb switches
Tender For bid to ras repait of mt vehicals -dual brake valve , clutch booster pipe connector , insulation tape , checking of entire loom finding out the problems, loom reparing with necessary components with labour chrages , mechanical labour charges for the removal of old items and fitment with new spares parts , clutch plate , pressure plate , release bearing , water pupmp assy , anabond paste , clutch booster assy , rotary switch , overhauling of fuel feed pump , benjo union , fuel pipe line cleaning, fuel filter cleaning and mechanical labour charges for fitment of new spares parts , gear lever end , gear box top selector shaft adjustment and mechanical labour charges for fitment of new spare parts , lathe work of gear box top , gear box removal, stripping, rectification of top gear sloppage with necessary spare parts, resaaembling and refting with labour charges , clutch pipe connector , cannibilzation of clutch pipe from class v veh and mechanical labour chrages , air dryer assy
Tender For supply of electrical items - led 18 or 20 watt batten 4 feet , 9 watt led bulb , t-8 tubelight side holder , t-8 tubelight side holder -industrial , 6 ampere 5 pin socket , 63 ampere hrc fuse base 415 v , digital ampere meter panel mounting , digital volt meter panel mounting , mcb 3pole 63 ampere , mcb 4 pole 63 ampere , 12 x 12 inch led panel light 18 or 20 watt , ding- dong bell 240 volt ac , mccb 3 pole 250 ampere , mccb 4 pole 100 ampere , mccb 4 pole 63 ampere , led flood light 100 watt , driver for 100 watt led flood light , 33 kv d o fuse barrel assembly with fuse10 amp , 33 kv d o fuse element 10 amp , 1 sqmm single core multistrand copper wire frlsh , 1 point 5 sqmm single core multistrand copper wire frlsh , 2 point 5 sqmm single core multistrand copper wire frlsh , automatic power factor controller 8 step with led display , led driver 40 watt , mcb single pole 10 ampere , mcb single pole 6 ampere , mcb mounting channel -rail , 24x24 inch led panel light 36 or 40 watt , 12x12 inch led surface light 18 or 20 watt , 3 pole 6 way selector switch , holder for 2 pin pl led light lamp , holder for 4 pin pl led light lamp , 16 amp switch socket combined , 16 ampere 3 pin top , 6 ampere 3 pin top , 6 ampere piano type switch , 6 ampere 2 way , bell switch