Latest change over switche Tenders | Government change over switche Tenders

CTN :45379134

10 Jun, 2026 NA

Arakandanallur - Tamil Nadu

Tender For for electrical and communication engineering department lab equipments are required as per new syllabus - upgradation of labarotariesece department, 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., single phase induction motor1 hp, 230 v ac, 1500 rpm with loading arrangement 1 no.voltmeter: (0 300) v ac, 96 96 mm with input terminals 1 no.ammeter: (0 10) a ac, 96 96 mm with input terminals 1 no.wattmeter: 2 kw, 96 96 mm with input terminals 1 no.power factor meter: 96 96 mm with input terminals 1 no.auto transformer: 0 300 v, 1 variac 1 no.mcb: 2-pole, 40 a / 230 v ac 1 no.digital rpm indicator with proximity sensor 1 no.aluminium brake drum: 230 mm diameter 1 no.spring balance: (0 25) kg 02 nos.circuit diagram printed on front panel with instruments and connecting terminals.motor and loading arrangement mounted on rigidchannel frame with anti-vibration mounting pads, m12 1.5 bolt & nut, 85 mm dia 4 nos.mild steel powder-coated electrical panel tablesetup., auto transformerinput: 230 240 v ac, 50 hz.output: variable (0 270) v ac.rating: 1 kva.insulation class: class f / class h.construction: copper winding with carbon brush arrangement.mounting: bench-top / panel type.protection: suitable fuse / overload protection., dth trainer kitpower supply: 200 v to 240 v ac, 50 hz. dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m. controls: channel selection. volume control. fault simulation: five built-in simulated faults for troubleshooting experiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption. pcb size: 15" 12" with multicolour section-wise block diagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna. additional features: dth subscription connection with doordarshanfree channels., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection.sim card interface: supports gsm sim cards compatible with 2g / 3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication, and communication functions. compatible with standard 6-pin / 8-pin sim card sockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embedded system interfacing.sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control. supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at command support. iso/iec 7816 smart card communication support. sim communication command monitoring facility. hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/r

CTN :45364650

16 Jun, 2026 4.59 Crore

Noida - Uttar Pradesh

Tender For supply of spare parts for automatic fare collection system (afc) - tom/efo/tr/ag reader, tom/efo monitor, tom/efo power adopter, receipt printer, receipt printerpower adopter, tom/efo qr printer, pa system, qr scanner, mouse, pdu(passenger display unit), cash drawer lock, tom/efo key board, tom/efo hdd 512 gb ssd, tom/efo hub, tom/efo feig reader power cable, tom/efo feig reader communication cable, tr display, tr mother board, gv 7 mother board, gv 7 processor, sensor cable, flat cable, ag flaps normal gate, ag flaps hybrid gate, concession lamp, ag buzzer, ag smps, ag mother board /pcm board, ag display driver board, gate dc motor, gate end display (ged), emitter/reciever sensor, usb cable, mib board, afc station computer hard disk 1 tb sata, proximity sensor, network rack fan, network switches 24 port, mcb 32 amp, mcb 16 amp, mcb 8 amp, lan cable cat 6 (in meteres), afc sc server, afc sc monitor, afc sc computer printer, afc gate qr scanner glass, construction of chamber for 100mm sluices valve, construction of chamber for 100mm sluices valve

CTN :45346462

11 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of equipments for eee department - 3 phase capacitor bank :* 3-phase capacitor bank * rating: 2 kvar * voltage: 440 v ac * frequency: 50 hz * heavy duty self-healing capacitor units * powder coated ms enclosure * compact panel mounted/floor mounted construction * proper ventilation arrangement to be provided * capacitor duty contactor/switch to be provided * fuse/mcb protection to be provided * discharge resistors to be provided for safety * proper earthing arrangement provided, 3 phase auto transformer starter :* 3-phase variable autotransformer * input: 415 v * output: 0 470 v ac (continuous) * current: 15 a * copper wound, carbon brush type * heavy duty toroidal/core construction * mounted in powder coated ms/crca enclosure * front panel mounted voltage control knob with scale indication * proper insulated terminals provided * floor/bench mounted type suitable for laboratory use * input/output terminal arrangement provided * mcb/fuse protection provided * proper earthing terminal provided * ventilation arrangement for heat dissipation, linear variable differential transformer measurement trainer :* input supply : 230 v ac, 50 hz * type : linear variable differential transformer (lvdt) trainer kit * lvdt stroke length : 25 mm * lcd display provided * digital voltmeter provided for output measurement * potentiometer provided for calibration and adjustment * signal conditioning circuit inbuilt * zero adjustment and calibration facility provided * test points provided for waveform/signal observation * clearly labeled circuit diagram on front panel * proper insulated terminals and safety sockets provided, plc trainer kit :* plc make :allen-bradley / delta electronics / siemens or equivalent* digital inputs : 8 20 nos.* digital outputs : 6 12 nos. (led / relay type indication)* communication port : rs232 / usb / ethernet (if available)* programming method : ladder logic programming* toggle switches for digital input simulation* led indicators for output status indication* analog potentiometers for analog input experiments* proximity sensor interface provided* relay output interface provided* input supply : 230 v ac, 50 hz* built-in regulated 24 v dc power supply* ladder diagram programming software to be provided* compatible programming software license to be provided* suitable for basic plc programming and automation experiments, conveyor arrangement with siren :* input supply : 12 v dc / 24 v dc / 230 v ac, 50 hz* control mode : manual / automatic operation using plc* conveyor arrangement with geared dc motor provided* proximity sensor provided for object detection* start and stop push buttons provided* audio siren indication provided* plc based control and sequencing operation provided* mini conveyor setup suitable for laboratory demonstration* geared dc motor driven conveyor mechanism* smooth belt movement with roller arrangement, digital storage oscilloscope (dso) :* bandwidth: 50 - 100 mhz. * sampling rate: 1gs/s. * channels: 2 (minimum) * power supply: 100v 240v ac, 50-60 hz * automatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc., * horizontal scale: 5 ns/div 50 s/div or equivalent * vertical resolution: 8 bits (2 channels simultaneously) vertical sensitivity: 1 mv/div 10 v/div (at input) * waveform math: +, -, x , , invert, fft etc., * waveform storage: 16 waveforms or equivalent communication interface: usb host, usb interface. * 7-inch color display or equivalent * input impedance - 1 m 2%, // 20 pf 2 passive probes (1x/10x), on/off control of lamp using solid state relay kit:* 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 statu

CTN :45346460

04 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For supply of eee lab items dept use - 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 mounted suitable for laboratory operation all winding terminals shall be brought out to insulated terminals and enclosed within a protective outer cover for safe laboratory operation , dc stepper motor driver 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 driver kit with servo motorinput voltage 12 - 24v, dc, 5a, 10-60rpminput 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 loadrating: 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 induction motor with load arrangement 5hp ,230v, 1400 rpmsingle phase, 2hp,230v,1440 rpm with dol starter loading arrangement and electrical workbench mechanical rope with aluminum brake drum loading with adjustable wheels - 2 no s 0-50 kg spring balance - 2 no s electrical panel board with workbench -cupboard with door. panel board- with proper internal wiring& terminals insulated necessary symbols of motor and starter, fuse, supply indicators to be provided and printed on panel board -digital rpm indicator with proximity sensor to be provided -required number of digital ammeter , three phase synchronous motor with electrical workbench 3-phase synchronous motor with electrical workbench and loading arrangement , rating: 5 hp voltage: 440 v ac, 50 hz speed: 1500 rpm (synchronous speed), induction start using damper winding, suitable starter panel, dc supply (0 220 v dc adjustable (variable dc control) within the panel),and necessary workbench electrical panel board with workbench -cupboard with door. panel board- with proper internal wiring& terminals insulated necessary symbols of motor , starter, exciter, fuse, supply indicators to be provided and printed on panel board -digital rpm indicator with proximity sensor to be provided -required number of digital ammeters and voltmeters for motor to be provided on panel board. , synchronizing panelthree phase, 415v, 15a synchronizi

CTN :45326597

10 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For supply of equipment for plc lab in eee department - list of equipment, plc tranier kitfor basic laboratory use allen-bradley\ delta plc, siemens or equivalant,(,8-20 digital inputs, 6-12 digital outputs (led/relay indicators). toggle switches, analog pots, proximity sensors, and rs232/usb communication.power supply: built-in 24v dc / 230v ac.software: ladder diagram programming software, dol starter interfacing kit 415v ac (3-phase), 5hp, 15 - 25a, star delta starter interfacing kit415v ac (3-phase), 5hp, 15 - 25a, conveyor arrangement with siren12v dc, 24v dc, or 230v ac. manual / auto,conveyor, proximity sensor, start/ stop push buttons, siren,geared dc motor, plc based counting of moving objects on two conveyorstwo numbers of feed conveyors,fwd/ rev logic ,promity sensors - 2 nos, start & stop buttons, display unit, 3 floor lift interfacing modelthree stage( gnd + 2 floors), start & stop atevery stage, over load limit control

CTN :45319014

15 Jun, 2026 NA

Khammam-T - Telangana

Tender For supply of pneumatically operated right angle valve model rpv 75 hhv part no vl13002rpv75f , pneumatically operated right angle valve model rpv 25 hhv part no vl13000rpv25f , microvac gauge control unit model mvg 414 without sensor and cable hhv part no hhvtmvg414 , high pressure pirani gauge head model hps 2 for model mvg 414 without cable hhv part no hhvthpsmv , penning gauge head model png 3 for model mvg 414 without cable hhv part no hhvtpng3mv , pirani gauge cable 15mtr long model hps 2 suitable for mvg 414 hhv part no hhvtcapi , penning gauge cable 15 mtr long model png 3 suitable for mvg 414 hhv part no hhvtcapenn , proximity switches with clamp hhv part no hhhvtpc , quartz glasses 6 mm th x 38 mm dia for pyrometer view port hhv part no hhvtt6mm , solenoid valve g25 with plunger coil 24v hhv part no hhvtg2524v , pneumatic cylinder direct mounting with read switch type sme 2 stroke length 200 mm model dgs 25 250 ppv hhv part no hhvdgs25 , pneumatically operated right angle valve model rpv 50 hhv part no hhvt rpv 50 , set of o ring for rpv 25 hhv part no hhv set 25 , set of o ring for rpv 50 hhv part no hhv set 50 , set of o ring for rpv 75 hhv part no hhv set 75 , set of o ring for thermocouple hhv part no hhvt o ring , solenoid valve sdhl0714 x 24dc hydraulic system hhv part no hhv sdhl0714 , solenoid valve sdhl0631by2 x 24dc hydraulic system hhv part no hhv sdhl0631

Central Government/Public Sector

CTN :45094170

16 May, 2026 NA

Bhopal - Madhya Pradesh

Tender For supply of spare parts-impact machines-50 items - bevel gear for machine model pnc-4 m1 o/a- 200/13/868 3pn008343a, bevel gear (crankshaft) for machine model pnc-4 m1 o/a-200/13/868 3pn008344a, mataflax coupling for machine model pnc-4 m1 , o/a-200/13/868 dbz163 4pn-004068a, taper fit coupling, spline shaft to mataflax for machinemodel pnc-4 m1 , o/a- 200/13/868 - spline shaft 3pn-004031awith tapered sleevv 3pn-004032, toothed coupling , spline shaft to bevel gear for machine model pnc 4m1 o/a 200/13/868 -radial shaft 3pn 008403bwith bush 4pn-125029, linear bearing complete (set of cage, housing &rollers) for slide for machine model pnc-4 m1 -o/a 200/13/868, cam box assembly fitted with proximity switches, htdtiming belt, htd driven pulley with flange - 2 nos. for machine model pnc-4 m1 , o/a- 200/13/868, clutch plate with liners, for machine model- pnc-4 m1o/a- 200/13/868, brake plate with liners for machine model- pnc-4 m1 o/a- 200/13/868 - 3pn-004031a/3pn-004032, spline shaft with taper sleev for for machine model pnc-4 m1 -o/a 200/13/868 3pn-004031a/3pn-004032, connecting rod-rear ,jointless, matl- c-45, forged steel, complete intermediate shaft unit- indexing mechanism, pinion shaft assembly, for intermediate shaft unit, sensor cum micro switch for reverse setting/turnover, oil seal 70 x 90 x10 for machine model pnc-12.5 -o/a 200-06-606, bevel gear for machine model pnc-12.5 o/a- 200-06-606, bevel gear (crank shaft) for machine model pnc-12.5, cam box assembly fitted with 03 nos. proximity switches, flat belt ntb extremultus lg-20 -2110 x30 endless, clutch plate with liners for machine model- pnc-12.5, brake plate with liners for machine model- pnc-12.5 -o/a, connecting rod (rear), jointless matl c-45 forged, spindle for main gear z4 for indexing, linear bearing complete (set of cage, housing & rollers, spline shaft with taper sleev for machine model pnc-12.5, mataflax coupling for machine model pnc-12.5 o/a 200-09, taper fit coupling, spline shaft to mataflax for machine, toothed coupling, spline shaft to bevel gear, rocker arm for machine model pnc-12.5 o/a- 200-09-703, adaptor shaft for machine model pnc-12.5 o/a- 200-09-703, complete intermediate shaft unit- indexing mechanism, pinion shaft assembly consisitng of- worm shaft - 1 no, sensor cum micro switch for reverse setting/turnover, ball(adjusting) screw (connecting front connecting, connecting rod-rear jointless matl- c-45 forged, spindle for main gear z4 for indexing for machine, crank shaft for machine model pnc-12.5 o/a 200-92-878, cam box assembly fitted with 03 nos. proximity switches, complete intermediate shaft unit- indexing mechanism, pinion shaft assembly, for intermediate shaft unit, sensor cum micro switch for reverse setting/turnover, bevel gear for ameteep model pnc-12.5, o/a no. 200.92.878, bevel gear (crank shaft) ameteep model pnc-12.5, o/a no, clutch plate with liners for machine model- pnc-12.5, brake plate with liners for machine model- pnc-12.5 -, spline shaft with taper sleev for machine model pnc-12.5, mataflax coupling for machine model pnc-12.5, taper fit coupling, spline shaft to mataflax, toothed coupling, spline shaft to bevel gear, rocker arm for machine model pnc-12.5 o/a- 200.92.878

Central Government/Public Sector

CTN :43097832

25 Apr, 2026 13.06 Lacs

Mumbai - Maharashtra

Tender For bid to ras supply of procurement of streeing gear spares : :--proximity sensor patt no m12npn , temperature sensor patt no 04365b , temperature gauges patt no 555304 , level switches patt no vmt-04-f40gn-pg7 , pressure switches patt no w012209-280025 , pressure transmitter 0 to 300psi patt no 100-15001136

Central Government/Public Sector

CTN :44545836

25 Apr, 2026 NA

Raipur - Chhattisgarh

Tender For corrigendum : procurement of proximity switches for st-4 wagon tippler area at ntpcunchahar.

Central Government / Public Sector

CTN :44925755

28 Apr, 2026 NA

Jagatsinghapur - Odisha

Tender For tender for supply of metrix makes vibration probes transmitters and switches - proximity probe , mx8030060050301005 , metrix transmitter , mx2034 , vibration swtch , pn5550943060 , extension cable , pnmx80310800105 , vibration transmitter , range 0254 mms , vibration swtch , pn5550943060 , vib transmitter , st5484e152173200

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