Latest radio relay Tenders | Government radio relay Tenders

Central Government/Public Sector

CTN :45560752

13 Jul, 2026 NA

Gondal - Gujarat

Tender For supply of ssbpac(digital) for single line as per rdso specification no.rdso/spn/175/2005 ver.-1, along with station master block panel along with dtmf based electronic block bell & block telephone equipment as per specification no rdso/spn/191/2005(ver. 0), microprocessor lighting & surge protection devices for power line 24 dc class-c, lighting & surge protection devices for data line class-d,ekt for shunt key as per drg. no. sa-22601/alt.4 & irs: s-21/2001 and associated data cable including wired relay rack without relays. (required relays for this item will be supplied by railways) [ warranty period: 30 months after the date of delivery ] ]

corporations/Associations/Others

CTN :45426229

17 Jun, 2026 33.63 Lacs

Ghaziabad - Uttar Pradesh

Tender For corrigendum : for work/supply of protection (relay, ct/pt, control pannal, vaccume intrupter, breaker coil, isolator... etc at various site under business plan scheme 2026-27 in the area of ee(tech) 33kv ghaziabad 1. under the jurisdiction of se eudc 1 gzb - 12/2026-27/eudc-i/gzb for work/supply of protection (relay, ct/pt, control pannal, vaccume intrupter, breaker coil, isolator... etc at various site under business plan scheme 2026-27 in the area of ee(tech) 33kv opration & maintenance ghaziabad. under the jurisdiction of se, eudc-i, ghaziabad.

CTN :45527755

03 Jul, 2026 4.45 Crore

Visakhapatnam - Andhra Pradesh

Tender For tender for supply of linear position indicator , oil seal kit mechanical seal for xrvn-127r4-165-26 , motor protection relay for sw pump starter , smps 24vdc 6.2 amp telemecanique abl1rem24062 , core for filter drier , shock mounts for 2 x 4 tr refrigeration plant for nopv class , capacity contorl piston spring , soft starter , annual inspection kit , thermostatic expansion valve size-1-4inch x 1-2inch flare , liquid line solenoid valve cool rooms , under voltage relay 3 ph minilec vct-d2 , mcb 3 pole 2 amp 440 vac hager nc302n , overhaul kit , rubber bellows for cw pump suction , no element siemens 3tx4 010-2a , push buttons set 1 each typ for lcp of 2x2.1 tr ref plant , mechanical seal , timer eapl-ge etm 0010046 2nc , fan with motor for ac unit for dairy room for 2x2.1 tr ref p , mc mccb ge 100a s-140a with aux contact 2no-2nc , selector switch kaycee 02 pole on/off with 1 no contact , fan with motor for ac unit for meat room for 2x2.1 tr ref pl , set of bearings for 1.5 kw motor for 2 x 2.1 tr ref plants , fan with motor for ac unit deep freez for 2x2.1 tr ref plant , fan with motor for ac unit for veg room for 2x2.1 tr ref pla , solenoid valve danfoss evrs3-24 vdc coil , indication lamps set 1 each ty for lcp of 2x2.1tr ref plant , valve globe type 5-1-8inch ods , motor 15kw2 p ip56 sq cage induction 380v 50hz ci f b5 , vibration eliminator 3-4inch ods , valve ball type 2-5-8inch ods , cartidge for indufil duplex oil filter idgl-2-226 for 144 tr , rubber expansion joint 125 nb with flanges , set gaskets for evaporator for 144 tr ac plant , shaft seal placement kit part no.kxs204 , comp howden open screw xrvn201-1.45-2.6 with lpi r134 2950r , unloading piston , rhb/lht spacer , vibration eliminator for suction line , air cooling unit for dairy room , safety valve , thermostatic expansion valve gfe-1zp charge 1-4inch x 1-2inch flar , valve plate assembly part no-08436 , valve angle type 1-2inch ntp m x 1-2inch flare , kit for power contactor for compressor stater , hrc fuse link ge ns4 4a with nh type fuse base , control transformer tape wound 415 v/110 v 150 va , set gaskets part no 08072 , oil separator danfoss oub 4 for 2 x 2.1 tr refrigeration pla , thermostatic exp. valve gfe-1.1-2jc charge 1-4inch x 1-2inch flare , filter drier sporlan c485g 5-8inch ods , set of v belts , safety valve 1-2inch npt m set pressure 12.5 kg-cm2 r134a , pres transmitter danfoss mbs 3100-2211-1ac04 range 0-16 bar , aux contactor ge rl4 rd022td 2 no - 2nc coil -24v dc , coil for power contactor for sw pump stater , kit for power contactor for sw pump stater , power contactor ge 0 32a 415 v ac 3 pole , rear bearing part no 08157 for model- fx5bi , vibration eliminator 1-1-8inch ods , valve hand shut off type 1-4inch flare , set of bearing for fx-f5 bi compressor , set piston dia 70 part no 08035 , thermostatic exp valve gfe-1-2jc charge 1-4inch x 1-2inch flare , setcrankshaft part no 08056 , temp transmitter mbt 5560-0000-0200-10-415 range - 50-150 c , set shut-off valve nw32 part no-08082 , valve angle type 1-4inch ntp m x 1-4inch flare , valve check type 5-8inch ods , set of gaskets for condenser for 2 x 2.1 tr ref plant , set capacity regulator 24 v dc , set connecting rod part no 08307 , front bearing part no 08164 for model- fx5bi , filer drier core , impeller part no 120 for celv 65-250 , soft starter ge astat type-qc1ndp 160 kw , mc mccb ge 100a s 400a with aux contact 2no-2nc , mc mccb ge 100a s 400a with aux contact 2no-2nc , semi conductor fuses ge - feraaz 200a 6.611 rd30-xx0315 , flow meter for seawater system

CTN :45089790

20 Jun, 2026 9.08 Lacs

Bahraich - Uttar Pradesh

Tender For corrigendum : protection relay and other associates works under etd, bahraich

CTN :45541202

23 Jun, 2026 NA

Chennai - Tamil Nadu

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

CTN :45544556

06 Jul, 2026 NA

Belur - Karnataka

Tender For supply of microprocessor based numerical integrated feeder protection module comprising dpr, ocr, wpc, ptff & auto reclosure relay for 25 kv ac single phase 50 hz traction substation as per rdso specn. no. ti/spc/psi/protct/6072 (rev.1) with a&c slip no. 1. or latest, str: ti/str/002 (revision-4) [ warranty period: 30 months after the date of delivery ] ]

CTN :45525967

23 Jun, 2026 NA

Rohtak - Haryana

Tender For discount on spare of siemens l and t make - all type of contactors make- siemens, contactor accessories, switch disconnectors fuse units, sds, on-load change over switches and hrc fuse , mccb s 3vt, mccb s 3vl, bimetal overload relays, motor protection circuit breakers, motor starters, all type of spare kit & coil, mcb, indicator, push button, air circuit breaker (acb), air circuit breaker accessories., push button element teknic, power contactors & control contactors, thermal o/l relay mnx type 9-40 make- l & t, power contactors & control contactors, thermal o/l relay mnx type 45 & above , starters, ml contactors and ml relays, mmoo, mmo1 make- l & t, spares of items 1 (a), (b) & (c), switches fn interior, fn switches in ss enclosers & fuses, spares of items 2 (a), spares of items 2 (b), mccbs dh series dh100 & dh125, mccb s dm series, dl series, mccb s du, dth, etc, spares of item air circuit breakers manually fixed type, acb s mdo & edo type, air circuit breaker manually fixed type, mdo & edo type.

CTN :45512795

22 Jun, 2026 2.42 Crore

Visakhapatnam - Andhra Pradesh

Tender For tender for supply of seal oil output , accumulator , press switch clutch oil , press gauge clutch , differential pressure device , motor indicating lamp , gasket , pressure switch , temp transmitter pt100 , main pump , temperature transmeter , circlip external f55 , ferrule id 10 steel , set of gaskets for condenser for 144tr acplant for p17 class , kit for power contactor of 160 kw soft starter , motor 22 kw 2 p ip56 sq cage induction 415v 50hz ci f b5 , lamp 380v ac red for lcpb siemens , push button with lamp green 1no - 1nc , catridge for indufil duplex oil filter model idgl-2-226 , pump shaft part no. 2200 for celv 65-250 , soft starter ge astat type qc1ndp 160 kw , mc mccb ge 100a s 400a with aux contact 2no-2nc , mc mccb ge 100a s 400a with aux contact 2no-2nc , semi conductor fuses ge - feraaz 200a 6.611 rd30-xx0315 , main power contactor ge 25a 415v ac 3p power contactor , main power contactor ge 25a 415v ac 3p power contactor , indicating lamp green leb type 110v ac , mcb ge 2 pole 6a 110v ac , emergency push button red 1no-1nc , start push button green 1no-1nc , start push button green 1no-1nc , mc mccb ge 3pole 200a 415v ac s-2ka mc401 , star contactor 415v ac with 1no-1nc coil voltage 110v ac , star contactor 415v ac with 1no-1nc coil voltage 110v ac , delta contactor 415v ac with 1no-1nc coil voltage 110v ac , delta contactor 415v ac with 1no-1nc coil voltage 110v ac , motor protection relay ge- multiline lm 10 , set of indication lamps one of each type for lcp , timer eapl ge etm0010046 1 no- 1 nc , aux contactor ge rl4rd022 td 4no-4nc coil 24v dc , aux contact ge rl4rd040td 5no coil 24v dc , aux contact ge rl4rd040td 8no coil 24v dc , mcb 16a dp siemens , mcb 20a dp siemens , mcb 2a siemens , lamp green 24v dc , lamp amber 24v dc , stay push button epb 1110020 2no 1nc , bridge rectifier ems0011132 25a , contractor ge rl4rd040td 4no coil 24v dc , push button with lamp green 1no - 1nc , indication lamp amber , indication lamp green , indication lamp red , adjustable spanner 12inch , insulated screw driver 3inch , connectors 1-4inch mpt x 1-4inch sae , flare nut 1-4inch , torch light of 2 cells , copper tube 1-4inch x 2mtr , charging adopter 3-4inch fpt x 1-4inch sae , connector 1-8inch mpt x1-4inch sae , gauge adopter 1-8inch fptx1-4inch sae , insulation tape , flexible gas charging line , tong tester , solenoid valve danfoss evra25-24 v dc coil , bridge rectifier usha 25a , annual inspection kit part no. kx127-2 , shaft seal replacement kit part no. kxgs127 , capacity control sub assembly part no.xr16289-0 , microswitch part no. g57057 part of overhaul kit , actuator piston part no.xr12042-2 , end cover - rh side , charging valve , valve needle type 1-4inch npt(m) x 1-4inch ferrule , flexible connection for discharge line , shock mounts for ac plant , bearing cover fixing bolt part no.0036 , temperature switch danfoss rt107 70 to 150 deg c , water line pressure gauges , magnetic level switch for 82.5 tr ac plant for snf class , magnetic level gauge for 82.5 tr ac plant for snf class , transformer 500va 380-24 240v instrans , lamp siemens led green 24v dc , push button siemens e-22 1 no-1 nc green , push button siemens e-22 1 no-1 nc red , semi conductor fuses , temperature indicator 0 to 100 , star bearing kit , metaflex coupling for 65tr , human machine interface hmi-display , thermostatic expansion valve for liquid injection , inspection kit for xrvn-127r4-165-26 , refrigerant suction filter , capacity contorl piston spring , motor replacement gasket & o-ring set , safety valve part no. 07940 , filter element for duplex oil filter , gasket set for condenser

CTN :45419589

15 Jun, 2026 NA

Bathinda - Punjab

Tender For bid to ras supply of isolator switch , change over switch , head lamp lh , relay solid state , switch push , field coil auxiliary , armature assy , insul bush , booster agb 1900and3000 , 4 way system protection valve , element air cleaner , cover assy clutch , disc clutch , cartridge oil filter , air filter , air filter element , assy oil filter , assy fuel filter , water separator , bulb 12h7 55w head lamp , wiper blade rear 330 m s , wiper blade front 600 driver m s bcs , wiper blade co driver , rubber hosecrackcaseto oil cooler , assy kit lined shoe rear

Central Government/Public Sector

CTN :43630461

17 Jun, 2026 NA

Bhopal - Madhya Pradesh

Tender For bid to ras corrigendum : supply of e4953135 for numerical relays and other accessories items packages for dvc koderma d d -e4953135 numerical relays 01-sg4940187187-numerical o_slash_c and e_slash_f relay for dc_slash_dd_slash_de as per annexure-a it-001 _50_slash_51_slash_50n_slash_51n_slash_25_ , 02sg4940187195-numerical o_slash_c and e_slash_f relay for db _slash_ deog as per annexure-a it-002 _50_slash_51_slash_50n_slash_51n_ , 03-sg4940187209numerical motor protection relay for da_slash_daf as per annexure-a it-003 _99_. , 04-sg4940187217numerical motor differential relay for daf as per annexure-a it-004 _87m_ , 05-sg4940187225-numerical trafo differential relay for dbf as per annexure-a it-005 _87t_slash_50_slash_50n_slash_51_slash_51n_ , 06sg4940187233-numerical ref_slash_sef prot relay for dc as per annexure-a it-006 _64r_slash_51ns_ , 07sg4940187551-metrosil as per ann-a it-007 , 08sg4940187624-stabilizing resistor _0-4kohms_ as per ann-a it-008 , 09-sg4940187713-layer 2 ethernet switches _16cu_plus_4fo_ as per ann-a it-009 , 10sg4940187721-layer 3 ethernet switches _16fo_plus_8cu_ as per ann-a it-010 , 11-sg4940187730human machine interface _hmi_as per ann-a it-011 , 12-sg4940187799-relay parameterization device as per ann-a it-012 , 13-sg4940187802-a4 size colour laser report printing device as per ann-a it-013 , 14sg4940187853-un-interrupted power supply as per ann-a it-014 , 15-sg4940187861-cat-6 or better cable as per ann-a it-015 uom-meter , 16-sg4940187870optical fibre cable _single-mode_ as per ann-a it-016 uom-meter , 17-sg4940187888-serial to ethernet port converter as per ann-a it-017 , 18-sg4940167003numerical o_slash_c and e_slash_f relay for dc_slash_dd_slash_de as per annexure-a it-001 _50_slash_51_slash_50n_slash_51n_slash_25_ , 19sg4940167011-numerical o_slash_c and e_slash_f relay for db _slash_ deog as per annexure-a it-002 _50_slash_51_slash_50n_slash_51n_ , 20-sg4940167020numerical motor protection relay for da_slash_daf as per annexure-a it-003 _99_ , 21-sg4940167194numerical motor differential relay for daf as per annexure-a it-004 _87m_ , 22-sg4940167046-numerical trafo differential relay for dbf as per annexure-a it-005 _87t_slash_50_slash_50n_slash_51_slash_51n_ , 23sg4940167054-numerical ref_slash_sef prot relay for dc as per annexure-a it-006 _64r_slash_51ns_ , 24sg4940167062-metrosil as per ann-a it-007 , 25sg4940167070-stabilizing resistor _0-4kohms_ as per ann-a it-008 , 26-sg4940167089-layer 2 ethernet switches _16cu_plus_4fo_ as per ann-a it-009 , 27sg4940167097-layer 3 ethernet switches _16fo_plus_8cu_ as per ann-a it-010 , 28-sg4940167100human machine interface _hmi_as per ann-a it-011 , 29-sg4940167119-relay parameterization device as per ann-a it-012 , 30-sg4940167127-a4 size colour laser report printing device as per ann-a it-013 , 31sg4940167135-un-interrupted power supply as per ann-a it-014 , 32-sg4940167178-cat-6 or better cable as per ann-a it-015 uom-meter , 33-sg4940167186optical fibre cable _single-mode_ as per ann-a it-016 uom-meter //bid details2 / 34

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