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Tender For corrigendum : supply of lt ac and dc distrubution boards - supply distribution board 415v ac 3 phase 25ka 200a ac distribution board , supply distribution board 220v dc 160a 20ka dc distribution board , supply distribution board 48v dc 30a 20ka dc distribution board , spares distribution board 415v ac 3 phase mccb of each type used , spares distribution board 415v ac 3 phase current transformer of each type and rating , spares distribution board 415v ac 3 phase supporting insulator of each type used , spares distribution board 415v ac 3 phase indicating lamps used including assemblies of each type , spares distribution board 415v ac 3 phase fuses of all type used , spares distribution board 415v ac 3 phase control and instrument switches , spares distribution board 415v ac 3 phase contactors of each type used , spares distribution board 415v ac 3 phase indicating instruments of each type , spares distribution board 415v ac 3 phase relays 1 number of each type and rating , spares distribution board dcdb mccb of each rating type , spares distribution board indicating lamps used including assemblies of each type , spares distribution board dcdb control switch and supervision relay of each type , spares distribution board dcdb voltmeter of each type
Tender For supply of spares for mine line make starters - protection relay for motor , pt fuse, f-6.6kv- 7.2kv,3.15a , lt fuse link , 10 a , ammeter , analogue, 96 sq mm , voltmeter , digital , 72 sq mm , aux contactor w-3noplus1nc w-110v coil , lamp red 110 v ac , lamp yellow 110 v ac , lamp green 110 v ac , push button actuator with 1 no plus 1nc , aux switch with 3 no plus 3 nc , vcum cntctr asly,400a,6.6kv,85-230vac-dc , push button actuator with 1 nc , yellow push button , red push button , green push button , ptv w-lmb,f-pt fuse 500va,3p epxy,6.6 kv , circuit spout, htta bushing , under and over voltage relay , isolator , off load , copper busbar,50by6,10mtrs , delay timer electronic 0 - 30 s , vcum intrptr asmbly,7.2kv,400a,110v coil
Tender For corrigendum : tender for supply of ammeter selector switch , part no. srp136ma , voltmeter selector switch , part no. srp 135v5 , copper connection r phase , part no. ek804052 , copper connection y phase , part no. ek804053 , copper connection b phase , part no. ek804054 , power pack unit , 110v dc , part no. ek801025 , epoxy resin cast current transformer double core , double ratio , 15va , cl.1 , 5p 10 , ratio 200 100 5 5a , part no. ct 5 300 , numerical idmt relay with 3 phase over current , earth fault protection with instantaneous tripping complete with fault display and recording system & self supervision facility , part no. ek p154 , ampere meter 6 inch sq , 200 100 5a , part no. spl 40 6 , volt meter 6 inch sq , 3.3kv 100v , part no.spl 10 6 , nylon shroud , part no.pd 8498 , barrier for spout , part no. pf240 , epoxy spout , part no. ek808060 , spout fitting , part no. ek808061 , aux plug assy , part no. ek805030 , aux socket assy , part no. ek805031 , power pack unit , 110v dc , part no. ek801025 , wiring kit , part no. ek805888 , epoxy resin cast current transformer double core , double ratio , 15va , cl.1 , 5p 10 , ratio 200 100 5 5a , part no.ct 5 300 , side box for busbar , part no. ek 802295 , barrier for busbar , part no. pf220 , epoxy resin cast current transformer double core , double ratio , 15va , cl.1 , 5p 10 , ratio 100 500 5 5a , part no. ct 5 300 , shunt trip coil assy , 110v dc , part no. pd1650t , master trip relay , part no. ekvajh13 , copper connection r phase , part no. ek804052 , copper connection y phase , part no. ek804053 , copper connection b phase , part no. ek804054 , epoxy resin cast potential transformer , 3.3kv 110v , 3 phase comp with h.t.fuse , part no.et 0800 2
Tender For supply of instrument meters devices for basic electric lab bid - rheostat , dc supply , single phase dimmerstat , three phase dimmerstat , digital wattmeter , digital dc ammeter , digital ac ammeter , digital ac voltmeter , digital dc voltmeter , regulated dc supply or rectifier , contactless techometer , basic logic gates , dc motor , induction motor , starter
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 set of voltmeters consisting of 02 items for 1400 hp demu of cgl make or similar. 1-sel f illuminated dc voltmeter, 0-150 vdc to cgl pt. no. 785232041-01 no. 2-self illuminated dc voltmet er, 0-50 vdc to cgl pt. no. 783232068-01 no. [ warranty period: 30 months after the date of delive ry ]
Tender For corrigendum : supply of fluke 101 digital multimeter 6000 counts voltmeter ip40 ac/dc volt & ohm tester continuity test with , gardiner 860 mhz doul output hybrid amplifier , cable rg-6 copper coaxial cable antenna compatible (90 m sq/mm black 91 ft wire)
Tender For corrigendum : supply of self illuminated flush type moving coil voltmeter range 0-150 volts, dc, se nsitivity 1000 ohms, classified under accuracy class 1.5 percent square dialsize 96 x 96 mm with metal clamp shock proof rubber gasket as per is : 1248 / 1968 or latest. [ warra nty period: 30 months after the date of delivery ]
Tender For purchase of lab equipments for physics, chemistry, biology and computer science department for students - lab equipments, digital multimeter ut33d+ suitable for both ac and dc measurement, digital stopwatch, air bridge apparatus with out sodium vapour lamp, screw gauge, daniel cell, dimmerstat - max 270v, compass box, mercury lamp 125 w -1 full set, transfomer 6v, transfomer 9v, transfomer 12v, thermometer 100 c 100-150 c, linear ic trainer kit, quarts prism, digital ameter, voltmeter, galvanometers, standard resitance 1 ohm, standard resitance 2 ohm, digital screw gauge, agate mortar & pestle 3 , he ne laser ( 550 nm), function generator, platinum electrode, battery elliminator max 12 v, ups use for single computer, stop watch, swagelok cell, teflon beaker with lid for hydrothermal set up( max temp 200) 100ml, teflon type beaker with lid for hydrothermal set up( max temp 400) 100ml, mother board - gigabyte h610m s2h ddr4, desktop processor -intel core i7-13700k 16cores, ddr4 - 3000kingston fury beast 16gb 3200mhz, internal storage - 500 gb:3000 western digital wd blue sn 580 pci egen 4 nvme ssd, key borad, mouse, smps 1000w, graphics card, single distillation all glass water still constructed in borosilicate glass with 2 kw quatrz tube heater and distillation apparatus power supply (daps) complete with interchangeable parts capable of producing 2 litres of distilled water per hour. supplied with base stand & power cord - hsn-ng 8181 - make -nice, leishmans stain (nice, 250 ml), haemoglobinometer (mis), haemocytometer german (mis), test tube stand 15 mm 12 holes (sabarwal), spirit lamps (sabarwal), forceps 6" (sabarwal), glass droppers 6" (sabarwal), plankton counting chamber, wash bottle, powerplug extension cord