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Tender For supply of twin beam led head light round type, conforming to rdso specification no. rdso/2017/el/spec/0134 rev-2 suitable for conventional locomotive/emu (round) mounting arrangement as per rdso sketch skel-5042 alt-0. makes/brands: as per rdso approved vendor list. (rdso item code: 3100109) [ warranty period: 30 months after the date of delivery ] ]
Tender For purchase of tanche - lab equipments for eee and ece department - purchase - lab equipments for eee department electronics lab, single phase to single phase cyclo converter kit single-phase bridge cycloconverter power devices: scr/triac based input supply: 230 v ac, 50 hz step-down isolation transformer 230 v / 12 v output: 12 15 v ac, frequency: 0 25 hz (adjustable),firing angle control circuit and frequency control circuit to be provided built-in resistive load, terminals to be brought on ms panel with necessary symbols and circuits, pwm based step down dc chopper using mosfet/igbt kitpwm based step-down dc chopper (buck converter) power device : power mosfet / igbt based switching circuit input supply : 24 v dc to 110 v dc or derived from 230 v ac mains through rectifier unit output voltage :(0 to vin) variable dc output current : up to 5 a dc maximum with suitable load resistor (r load) pwm duty cycle control provided pwm generation and control circuit inbuilt gate driver circuit provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kittype : single phase pwm inverter trainer power device : mosfet / igbt based inverter circuit input supply : 12 24 v dc output voltage : 30 v rms ac output phase : single phase output frequency : 0 50 hz variable output power : 100 w single pulse pwm operation sinusoidal pwm (spwm) operation variable frequency control pwm generation and firing control circuit inbuilt gate driver circuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kittype : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status, speed control of ac motor using vfd drive module with ac motortype : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz output : three phase variable voltage and variable frequency ac output 1 hpthree phase squirrel cage induction motor415 v ac 50 hz &1440 rpm control technique : pwm / spwm based control frequency range : 0 50 hz variable digital display for frequency and operating parameters start / stop and forward / reverse control, acceleration and deceleration control facility powder coated ms control panel tabletop / floor mounted laboratory type setup clearly labelled circuit diagram and control switches proper insulated terminals and earthing arrangement, purchase - lab equipments for eee department electrical machines lab, three phase transformertype: three phase transformer, rating: 3 kva input voltage: 415 v ac, 3-phase, output voltage: 230 v ac, 3-phase frequency: 50 hz winding material: copper wound insulation class: class b or higher duty: continuous duty suitable for laboratory usebench/floor, dc stepper motor drive kit with stepper motorinput supply : 230 v ac, 50 hz stepper motor : permanent magnet / hybrid type with suitable driver circuits. motor operating voltage : 12 24 v dc variable speed control forward and reverse direction control full step and half step operation manual / automatic pulse generation facility built-in regulated dc power supply led indication for phase sequence and status test points provided for waveform observation start / stop control switches to be provided overload and short circuit protection to be provided mounted on compact powder coated cabinet with printed circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection., dc servo motor drive kit with servo motorinput supply : 230 v ac, 50 hz servo motor type : dc servo motor with feedback arrangement motor operating voltage : 12 24 v dc controller type : microcontroller based servo drive contr
Tender For supply, installation and commissioning of led based head code display board in demu coaches as per rdso specification. rdso/pe/spec/emu/0065. (rev.03) and it should be work with existing papis system. technical specifications attached in annexure _1 [ warranty period: 30 months after the date of delivery ] ]
Tender For purchase of lab equipments for eee dept - purchase of lab equipments for eee dept, single phase transformer.itemcode:b002 single phase transformer,rating: 1 kva, 50 hz, input: 230 v acoutput: 115 v ac,type: air-cooled, single-phase step-down transformer properly insulated input and output terminals brought out for safe operation)., acidity test kit itemcode:b005specifications:ethyl alcohol sodium carbonate solution universal indicator solution laboratory-grade test tubes droppers colour comparison chart for test result comparison chemicals supplied in labelled containers with safety instructions suitable for laboratory educational and testing applications, dc stepper motor drive kit with stepper motoritemcode:b010specifications:stepper motor : permanent magnet / hybrid type with suitable driver circuits. motor operating voltage : 12 24 v dc variable speed control forward and reverse direction control full step and half step operation manual / automatic pulse generation facility built-in regulated dc power supply led indication for phase sequence and status test points provided for waveform observation start / stop control switches to be provided overload and short circuit protection to be provided mounted on compact powder coated cabinet withprinted circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection, dc servo motor drive kit with servo motor itemcode:b011specifications:input supply : 230 v ac, 50 hz servo motor type : dc servo motor with feedback arrangement motor operating voltage : 12 24 v dc controller type : microcontroller based servo drive controller speed control : variable speed control to be provided position control : angular position control facility to be provided direction control : forward and reverse operation feedback device : encoder / potentiometer based feedback system built-in regulated dc power supply led indications for power and status test points to be provided for signal observation and analysis start / stop control switches provided overload and short circuit protection to be provided mounted on powder coated cabinet with printed circuit diagram proper insulated terminals and interconnecting leads to be provided, three phase resistive load itemcode:b013specifications:rating: 5.25 kw supply: 415 v ac, 3-phase, 50 hz total number of load steps: 6 main switch to be provided approximate dimensions: 18 18 22 inches (l b h) comprising special cement-insulated electrical load resistors mounted on powder-coated ms panel/enclosure individual on/off rotary switches for load selection mounted on rubber wheels/casters for portability suitable for laboratory load testing applications proper insulation, ventilation, and earthing arrangement to be provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kit itemcode:b028specifications:type : single phase pwm inverter trainer power device : mosfet / igbt based inverter circuit input supply : 12 24 v dc output voltage : 30 v rms ac output phase : single phase output frequency : 0 50 hz variable output power : 100 w single pulse pwm operation sinusoidal pwm (spwm) operation variable frequency control pwm generation and firing control circuit inbuilt gate drivercircuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kit itemcode:b029specifications:type : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status, speed control of ac motor using vfd drive module with ac motor itemcode:b030specifications:type : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz o
Tender For auction sale of depot miscellaneous scrap - scrap light weight elctrical accessories/domestic electrical appliances such as cfl, led bulb, electrical fittings, switch, socket junction box, speedy box, rgr, condencer, capacitor, electric house meter, jtb, rotatory switch, fuse, pressure gauge,fl fitting, power switch/socket, ceilling rose, electronic regulators, different types of mcb, lcb and its boxes, change-over, tube light, led tube light, led street light fitting, led tube light fittings, main switch, d.p switch, integrated circuit plates, switches, d.p box, all types of button/angle holder, pendent holder, train light fitting, birth light, head light, fitting, solar pannels, coach pannel board, lighting board, small battery/mobile charger, adaptor, hand loud speaker, disconnecting and earthing device with/without negligible nf attachememnt in different sort and sizes and other various known/unknown items which comes under electrical accessories/appliances. inculiding also some broken, rusted and poor condition items. not fit for railway use. location: - beside godown no-98/13 lbpl, dbaw, gst-18%, tcs -1% , hsn code-72044900 , allocation-20714208
Tender For supply of electrical items - dr. beck epoxy gel coat red(with hardner 100ml), dr. beck thinner (usage for epoxy gel coat red) thinner coad 221, beljium makecrc contact cleaner, 500ml, 2.26electro., wd40 rust removal aerosol spray,420ml, steel grip make 3/4inch pvc insulation tape roll (6.5metres long)red, yellow, blue, green, black each 30 nos., 1 inch fibere glass tape roll,5metres, anabond bearing reatainer grade 412, anchor make: 5a,5 pin socket, anchor make 16a,combined switch and socket, anchor make: 32a,combined switch and socket, crompton make 20w 4ft, led tube light fitting, 230v, aster make 36w led street light fitting, aster make 72w led street light fitting, 36w led drive for street light fitting,output volt 48v dc, 900ma, make finolex/polycab: 2c x 1.5 sq.mm copper multi strand flexible cable, make finolex/polycab: 3c x 2.5 sq.mm copper multi strand flexible cable, make:elmex, high current terminal block bolt nut conector size:50sq mm, dowells make aluminium cable lugs16 sq.mm - 8mm, 25 sq.mm - 8mm, 35 sq.mm - 8mm, 50 sq.mm - 10mm, 70 sq.mm - 12mm, 95 sq.mm - 12mm, 150 sq.mm - 12mm, 185 sq.mm - 12mm, 240 sq.mm - 16mm, dowells make copper socket heavy duty25 sq.mm - 6mm, 50 sq.mm - 10mm, 2.5 sq.mm -round type, 1.5 sq.mm -fork type, 1.5 sq.mm -pin type, fibre glass copper wire multi core(tin coated2.5 sqmm, 4 sqmm, 25 sqmm, 4 mm fibre glass sleeve, 1mtr length, 6 mm fibre glass sleeve, 1mtr length, 8 mm fibre glass sleeve, 1mtr length, 10 mm fibre glass sleeve, 1mtr length, 12 mm fibre glass sleeve, 1mtr length, teknic make push button dia-22.5mmmetalic series mushroom stayput button red, press to lock,(head 40mm) cat no:2aml4, green colour, cat no: 2af3, red colour, cat no: 2af4, push button elementno element green, ordering code: s1, no element red, ordering code: s2, remote push button station with push button and element(1no+1nc ), teknic make - pilot lights with integral led dia-22.5 mmpilot lights with integral led 110v ac, collur red, ordering code: 3plbr4l110ac, pilot lights with integral led 110v ac, collur yallow, ordering code: 3plbr8l110ac, pilot lights with integral led 110v ac, collur blue, ordering code: 3plbr6l110ac, pilot lights with integral led 110v dc, collur red, ordering code: 3plbr4l110dc, pilot lights with integral led 110v dc, collur green, ordering code: 3plbr3l110dc, pilot lights with integral led 110v dc, collur orange, ordering code: 3plbr5l110dc, pilot lights with integral led 110v dc, collur blue ordering code: 3plbr6l110dc