Latest telephone exchange Tenders | Government telephone exchange Tenders

CTN :43252403

29 Dec, 2025 NA

Raigad - Maharashtra

Tender For supply of 1 kva static frequency converter ( input- 220v, 50hz, 1 phase, output- 115v, 400hz, 3 phase)

Central Government/Public Sector

CTN :43252547

09 Jan, 2026 NA

Kanpur - Uttar Pradesh

Tender For providing of custom bid for services - annual maintenance contract for coral make telephone exchange model iris ivdx

CTN :41502750

22 Dec, 2025 NA

Pune - Maharashtra

Tender For bid to ras bid to ras supply of static fequency converter 30 kva , power supply 28v dc , 01 kva static frequency converter

CTN :43111241

22 Dec, 2025 NA

Mumbai - Maharashtra

Tender For corrigendum : supply of supply of p and f barrier spares for dht ta : : - relay module , current driver , safety switch amplifier , switch amplifier , transmitter power supply , frequency to current converter , signal converter , voltage repeater , repeater , solenoid driver , power rail , power supply

corporations/Associations/Others

CTN :43205112

31 Dec, 2025 NA

Tuticorin - Tamil Nadu

Tender For ttps es circle em ii routine maintenance and defective fault attending works in intercom telephone exchanges in operation zone and coal handling zone in ttps site for the period from 01 04 2026 to 31 03 2027

corporations/Associations/Others

CTN :43205131

31 Dec, 2025 NA

Tuticorin - Tamil Nadu

Tender For ttps es circle em ii annual maintenance contract charges for the maintenance of 2 nos ipbx common zone telephone exchange system having 200 lines each available at ttps site camp 1 2 for the period from 01 04 2026 to 31 03 2027

Central Government/Public Sector

CTN :43246023

12 Jan, 2026 NA

Gaya - Bihar

Tender For zone no.2:-zonal works for wood work falling indiesel colony, hopper colony, loco colony, central colony,new central colony, police colony of staff quarters, artsiding and yard from old rob to end of jurisdiction of aldup & dn line lko-passenger and goods line and includingall cabins, p.way training school, tli office, up yardcolony, gaya colony, manas nagar colony, of staff quartersand service buildings viz trs training school and hostelmanas sansthan, rpf up post, rpf barrack, sub station,rcc oh tank, steel oh tank, atp school, pump house,telephone exchange, health unit and sub station etc. underaden/hq/ddu.

CTN :42995224

20 Dec, 2025 NA

Nawanshahr - Punjab

Tender For corrigendum : supply of 3 phase power measurment trainer kit , battery charger , battery for inverter , inverter , earth leakage circuit breaker, single phase , phase sequence indicator , phase sequence indicator , portable digital ammeter , portable digital energy meter , portable digital multimeter , portable digital wattmeter single phase , portable frequency meter , portable moving iron ammeter , portable standard energy meter , three phase lamp load , rs flip flop , t flip flop , multiplexer and demultiplexer trainer kit , parallel operation of alternator , dc series motor , single phase transformer , sepratly excited dc generator , tachometer , synchronous generator , portable digital earth tester , portable digital power factor meter three phase , digital power factor meter single phase , portable digital wattmeter three phase , portable lcr meter , digital flux meter , thermistor kit , lvdt trainer kit , digital clip on meter , analog megger , portable moving iron voltmeter , portable wattmeter , thermocouple trainer kit , digital breakdown voltage testers , inverse time over current relay induction type , earth leakage relay , fuse and mcb testing kit , inverse time over current static relay , display board different wires and cable , display board - different switches , digital megger , single phase power measurment kit , dol starter , electric drill kit , soldering gun kit , motor coil winding machine , dc shunt motor- shunt generator set , dc shunt motor -series generator set , dc motor alternator set , squirrel cage induction motor , slip ring induction motor , single phase capacitor start motor , three phase transformer , variac three phase , stroboscope , synchronous motor 3 phase , kirchhoffs law verification kit , portable digital power factor meter , rlc circuit trainer kit , study of self and mutual inductance measurment trainer kit , dc regulated power supplies , trainer board to study chopper , trainer board to study dual converter , trainer board to study cycloconverter , study of mosfet trainer kit , scr based lamp intensity control , 8085 microprocessor trainer kit , micrcontroller trainer kit , model cut section of refrigerator , cut section model of air conditioner , portable digital lux meter , resistance welding machine 3 phase power measurment trainer kit : 3 phase power measurment trainer kit by using ct (100-50-20-10/5a), pt(400-220/110v) and 3 phase wattmeter, battery charger : scr based automatic 12 v, ac input voltage 230 v, output dc voltage 0-12 v, 0-2 ampere rating provided with voltmeter, ammeter of suitable range, battery for inverter : tubullar lead acid battery min 180 ah, inverter : pure sine wave inverter of rating 1500 va or more, compatible with one 12 volts battery and noiseless operations. , earth leakage circuit breaker, single phase : single phase two pole 230v, 25a, 50hz, 30ma sensitivity, earth leakage circuit breaker, single phase : three phase four pole 400/415v, 25a, 50hz, 30ma sensitivity, phase sequence indicator : phase sequence indicator suitable for 50v-500v ac from 25-55hz, phase sequence indicator : rating 30 sec,500v,burden 15 va, voltage 50-500v, portable digital ammeter : 0-10 a ac, portable digital ammeter : 0-10 a dc, portable digital energy meter : 1-phase 2 wire, 240v, 5a, portable digital multimeter : 3. 5 digit, 1000v ac & dc, 0. 1 mv ac voltage //bid details2 / 72resolution, portable digital wattmeter single phase : digital wattmeter, 4. 5 digit led display, single phase, 230v, 50 hz,0-15a, portable frequency meter : digital, 4 digit led display frequency meter suitable for use on 230 v ac main supply range 20-99 hz, portable frequency meter : vibrating reed type 230 v, having 21 reed 40-60 hz. abs body, portable frequency meter : moving coil type, portable housed in phenolic moulded body with antiparallax mirror. scale and knife edge pointer, range 40-60 hz, 230 v, portable moving iron ammeter : 0-5 ampere ac ammeters portable moving iron, 150 mm unifo

Central Government And Public Sector

CTN :43217668

27 Dec, 2025 1.43 Lacs

Khorda - Odisha

Tender For providing of customized annual maintenance contract/cmc for pre-owned products - annual maintenance contract for 1x320kva de/a set (koel make) with periodical servicing at telephone exchange chandrasekhar pur, bhubaneswar; koel; annual maintenance contract (amc); monthly; no

Central Government/Public Sector

CTN :43205957

06 Jan, 2026 97.65 Lacs

South Andaman - Andaman And Nicobar Islands

Tender For providing of customized annual maintenance contract/cmc for pre-owned products - annual maintenance contract of telephone exchange; annual maintenance contract of telephone exchange; annual maintenance contract (amc); as per scope of work; no

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