Latest electronic interlocking repair Tenders | Government electronic interlocking repair Tenders

Central Government/Public Sector

CTN :43563047

02 Feb, 2026 NA

Bokaro - Jharkhand

Tender For corrigendum : supply of lp3 breaker spares 84177 -switch position indicator disconnection , signalling relay,type mr11 , tube fixed resistor,pt fri.rfwst 400x65 , interlocking coil 220v dc,pt naf.magnet , counter contact,pt cad mx 1000 12 t12_02 , contact heat circuit breaker , sliding bulkhead left,pt cad m11 1000 02 , sliding bulkhead right,pt cad m11 1000 0 , tulip support assembly,pt jor.tulpe3150a , tulip support plate top,pt cad m11 1002 , tulip support plate bottom,pt cad m11 10

Central Government/Public Sector

CTN :43790690

02 Mar, 2026 NA

Hubli - Karnataka

Tender For swr-ubl div:-provision of aspiration type fire alarm system for relay rooms of electronic interlocking stations at 40 locations over ubl div

Central Government/Public Sector

CTN :43756120

25 Feb, 2026 NA

Prayagraj - Uttar Pradesh

Tender For supply of q-series twin neutral line relay, style qnn1, 6f-2b, 24v dc, complete with plug board (base plate), connectors and retaining clips etc. and conforming to brs-960, irs:s-34 & s-23. the interlocking code for this unit shall be acdek. [ warranty period: 30 months after the date of delivery ]

Central Government And Public Sector

CTN :43744888

06 Feb, 2026 NA

Nagpur - Maharashtra

Tender For supply of relay dc non-ac immunized, plug in type style qn1 neutral line 24 v dc 8f 8b contacts front & back contacts metal to carbon complete with plug board retaining clip and connectors conforming to brs: 930,irs: s: 34 & irs: s: 23 (as applicable) the interlocking code for this unit shall be abcdf.

Central Government/Public Sector

CTN :43729261

13 Feb, 2026 NA

Katni - Madhya Pradesh

Tender For corrigendum : supply of h.v. over load relay(qlm) with mechanical interlocking arrangement

State Government

CTN :43473703

12 Feb, 2026 NA

Kheda - Gujarat

Tender For corrigendum : supply of siemens make contactor for wtps,gsecl. - power contactor 3tf 2no-2nc 110v 110a (make: siemens - 3tf50020af0), 3tf5202-0af0 170a power contactor make:- siemens 110vac coil voltage with 2no+2nc, 3tf5302-0af0 205a power contactor make:- siemens 110vac coil voltage with 2no+2nc, power contactor 3tf 110v 32a (make: siemens - 3tf34000af0), power contactor type:3tf47 72-0af0,capacity 70 amp, auxilary contact 2no+2nc,coil voltage: 110v ac of siemens make., sicop power contactor type-3tf-32-00-oafo, coil voltage 110 v ac , 16 amp siemens make, contact kit : 3 ty7 530 - oya, make sie for 3tf53/3ty7530-oya - 9.00nos, siemens make sicop contactor kit [set of 6 fixed and 3 moving contact] type- 3ty7510-0ya suitable for contactor 3tf51, 140amp., 3tf52/53 power contactor ac coil 110vac 3ty7523-0af0, siemespare coil 110v for 3tf50 ty-3ty75030afo, base plate and interlocking mechnism for 3tf53 power contactor 3tx7526-1ya0, base plate and interlocking mechnism for 3tf51 power contactor 3tx7506-1ya1, auxiliary contact block type:3tx4010-4a :1 nc, auxiliary contact block type:3tx4010-4a :1 no, auxiliary contact block type:3ty7561-1ka008k, auxiliary contact block type:3ty7561-1ka008k, siemens make bi-metal overload relay range 0.25 to 0.4a cat. no.:-3ua5000-0e, bimetal overload relay range:-0.63-1 a type:-3ua5000-0j make:-siemens, siemens make bi-metal overload relay range 1 to 1.6a cat. no.:-3ua5000-1a, siemens make bi-metal overload relay range 1.6 to 2.5a cat. no.:-3ua5000-1c, sicop bimetal overload relays type- 3ua50-00-1e range 2.5-4.0 amp contactor mounting of siemens make, sicop bimetal overload relays with spp feature type- 3ua50-00-1g, range: 4-6.3 amp,, siemens make, sicop bimetal overload relay, range : 6.3 - 10.0 amp, type :3ua52 00-1j, siemens make overload relay, type- 3ua55 00-2a, range 10-16a, bimetal relay,make-siemens,range-16.0-25.0 amp type-3ua55 00-2c, bimetal over load relay 3ua58002ezi siemens make 25.0 - 40.0a range, sicop bimetal overload relays type -3ua58-00-2tz1, range 40-57 amp, contactor mounting of siemens make, bimetal relay,make-siemens,range-57.0 -70.0 amp type-3ua58 00-2vz1, bimetal overload relay 70-95a make:-siemens ref no:- 3ua5800-2vz, siemens make bi-metal overload relay range 85 to 105a reference no. 3ua5830-5c, sicop bimetal overload relays type- 3ua62-30-5b, range 115-180 amp, independent mounting of siemens make, bi-metalic overload relay, range 20-32a, 3ua55 00-2d, sicop bimetal overload relay, ct operated independent mounting type-3ua62-30-5c ,range 160-250 amp., sicop bimetal overload relay,contactor mounting type- 3ua50-oo-1k , range 8.0-12.5 amp for 3tf30/31, bimetal overload relay 10-14.5a make:-siemens ref no:- 3ua5000-2s., sicop bimetal overload relay type 3ua5800 - 2fz2 range 32 to 50 amp., sicop bimetal overload relays with spp feature type- 3ua52-00-2b, range: 12.5-20 amp,, sicop bimetal overload relay, contactor mounting type- 3ua55-oo-2q , range 25-36 amp for 3tf44/45, power contactor type:3tf51 02-0af0,capacity 140 amp,auxilary contact 2no+2nc,coil voltage: 110v ac of siemens make., 3tf5502-0af0 300a power contactor make:-siemens 110vac coil voltage with 2no+2nc, 3tf5302-0ap0 200a power contactor make:- siemens 230vac coil voltage with 2no+2nc, 3tf4772-0ap0 70a power contactor make:- siemens 230vac coil voltage with 2no+2nc, siemens make power contactor sicop 3tf order code: 3tf3010-0ap0, 3tf3400-0ap0 32a power contactor make:-siemens 230vac coil voltage, 3tf3200-0ap0 16a power contactor make:-siemens 230vac coil voltage, siemens make ac contactor, model: 3th30 ac aux voltage: 230v ac,50 hz, main contacts: 2 no + 2 nc model no.: 3th30220ap0, 3th3031-0ap0 10 contactor relay make:-siemens 230vac coil voltage 3no+1nc, 3th3040-0ap0 10 contactor relay make:-siemens 230vac coil voltage 4no, auxiliary contactor siemens make aux.contacts-2no+2nc,operating coil 110v ac, 3th30220afo, power contactor, make- siemens, model no. 3tf3200-obm4, ie-ac3-16 amp, 3 pole, coil voltage:22

Central Government/Public Sector

CTN :43547636

02 Feb, 2026 NA

Kutch - Gujarat

Tender For corrigendum : supply of 400kv and below rating isolators for pgcil hvdc khavda and nagpur - hvdc khavda-supply-isolator-400kv,2000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 1-es,individual pole motor operated,electrically ganged as per ts , hvdc khavda-supply-isolator-400kv,2000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 2-es,individual pole motor operated,electrically ganged as per ts , hvdc khavda-supply-isolator-400kv,63ka for 1s,3- ph,free standing earth switches,motor operated,electrically ganged without insulator and structure but with mom box and accessories , hvdc khavda-supply-isolator-72.5kv,1250a,3-ph,hdb type isolator with 1-es,mechanically ganged manual operated along with mom box and other accessories as per ts , hvdc khavda-supplyisolator-72.5kv,1250a,25ka for 3s,3-ph,hdb type isolator without earth switch,mechanically ganged motor operated along with mom box and other accessories as per ts , hvdc khavda-sparesisolator-400kv,2000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 1-es,along with operating mechanism and other accessories as per ts , hvdc khavda-spares-isolator-400kv,2000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 2-es,along with operating mechanism and other accessories as per ts , hvdc khavda-spares-isolator420kv,2000a,copper contact fingers for female and male contacts , hvdc khavda-spares-isolator400kv,3150a,63ka for 1s,hdb type isolator-open or close contactor assembly,timers,key interlock , hvdc khavda-spares-isolator-420kv,push button , hvdc khavda-spares-isolator-400kv,limit switch and aux. switch , hvdc khavda-spares-isolator420kv,rotor housing bearing assembly , hvdc khavda-spares-isolator-400kv,2000a,63ka for 1s,hdb type isolator-terminal pads , hvdc khavda-sparesisolator-400kv,motor with gear assembly and bevel gear assembly , hvdc khavda-spares-isolator420kv,corona shielding ring , hvdc khavda-sparesisolator-400kv,hinge pin , hvdc khavda-sparesisolator-400kv,support bearing , hvdc khavdaspares-isolator-420kv,2000a,isolator arms with finger contacts and current carrying assembly , hvdc khavda-spares-isolator-400kv,interlocking coil with resistor , hvdc khavda-spares-isolator400kv,operating mechanism box for earth switch , hvdc khavda-spares-isolator-400kv,earth blade for earth switch , hvdc khavda-spares-isolator400kv,earth switch fixed contact assembly , hvdc khavda-spares-isolator-400kv,auxiliary contact assembly , hvdc khavda-spares-isolator-400kv,set of contactors,relay,limit switch,control switches,solenoid etc , hvdc khavda-sparesisolator-400kv,63ka for 1s,free standing earth switches-one complete pole along with operating mechanism and other accessories as per ts , hvdc khavda-services-isolator-400kv,supervision of erection testing and commissioning including alignment check of hdb type isolator and earthswitch , hvdc khavda-services-isolator400kv,supervision of erection testing and commissioning including alignment check of 3-ph free standing earth switch , hvdc khavda-servicesisolator-72.5kv,supervision of erection testing and commissioning including alignment check of hdb type isolator and earthswitch , hvdc nagpursupply-isolator-400kv,4000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 1-es,individual pole motor operated,electrically ganged as per ts , hvdc nagpur-supply-isolator-400kv,3150a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 1-es,individual pole motor operated,electrically ganged as per ts , hvdc nagpur-supply-isolator-400kv,2000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operated,electrically ganged with 1-es,individual pole motor operated,electrically ganged as per ts , hvdc nagpur-supply-isolator-400kv,4000a,63ka for 1s,3-ph,hdb type isolator individual pole motor operate

Central Government/Public Sector

CTN :43632576

13 Feb, 2026 NA

Danapur - Bihar

Tender For corrigendum : schedule-a:-provision of air conditioning in s&t relay rooms at 50 nos. of locations/stn in balance stations under danapur division and schedule-b:- electrical/g works related to replacement of existing signaling gears (pi) with electronic interlocking system at bkg, & kwo stations in dste/pnbe section under dnr div.

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