Latest electronic interlocking Tenders | Government electronic interlocking Tenders

Central Government/Public Sector

CTN :43514156

14 Jan, 2026 NA

Bilaspur - Chhattisgarh

Tender For comprehensive annual maintenance contract for siemens make electronic interlocking (ei)of mgr control room(central yard) east cabin and west cabin at mgr ntpc sipat

State Government

CTN :43473703

28 Jan, 2026 NA

Kheda - Gujarat

Tender For 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:220vdc

State Government

CTN :43458956

26 Jan, 2026 NA

Ghaziabad - Uttar Pradesh

Tender For supply of point machine and various other items as per boq attached inspection rdso rites consignee. - supply of point machine irs type 220 mm stroke clamp type as per irs s$-24/2002 (amendment 1) or latest.(inspection agency:- rdso), supply of q-series led ecr (universal type i.e.qecx-61), 4f/4b complete with plug board(base plate), connectors, retaining clips etc. and conforming to brs: 941a sts / e / relays / ac lit led signal / 09 - 2002, amdt.-1 or latest and rdso spec.no.irs: s - 34, s- 23 or latest, as applicable. the interlocking code for this unit shall be "abdhk". (inspection by rdso)., contactor unit (qbca1 type), 24 v dc, 2hf / 4b complete with plug board (base plate), connectors, retaining clips etc and conforming to brs- 943 and rdso specn. no. irs : s - 34, s- 23, s - 60 or latest, as applicable. th e interlocking code for this unit shall be "bcejk". (inspection by rdso)., q-series magnetically latched neutral line relay (ql1 type), 11f / 4b, 24v dc complete with plug board (base plate), connectors and retaining clips and con forming to brs-935a and rdso specn. no.irs : s - 34, s - 23 or latest, as applicable. the interlocking code for this unit shall be "abdeg.(inspection by rdso)., supply of basic material to construct unit maintenance free earth as per rdso specs. no. rdso/spn/197 ver. 1.0 or latest to achieve a resistance less than 1 ohm. it consist of following:(a) copper bonded steel electrode of minimum 3.0 meter long, minimum 17.0 mm dia with copper bonding thickness of minimum 250 microns and ul listed and marked = 1 no. (b) earth enhancement material supplied in sealed bags of minimum 10 kg = 3 nos. (c) copper strip of 150x25x6 mm, to terminate earth rod = 1 no. (d) copper strip of 300x25x6 mm (meeb) = 1 no. (e) copper strip of 150x25x6mm (seeb) = 1 no. (ii) supply of 35 sq. mm multi strand single core pvc insulated copper cable as per is: 694 for connecting main earth electrode to meeb in the equipment room in duplicate. (minimum 10 meter.) (iii) supply of 16 sq. mm multi strand single core pvc insulated copper cable as per is: 694 for connecting meeb to seeb and spd to meeb (minimum 10 meter.) (iv) supply of 10 sq. mm multi strand single core pvc insulated copper cable as per is: 694 for connecting various equipments to seeb (v) supply of copper lug sleeve for 3/16 cable.(inspection by consignee)., supply of master telephone with voice logging facility for electronic lc gate telephone system as per specification no: rdso/spn/tc-51/2011 revision 3.0 with amendment no. 1 or latest. (inspection by rites)., electronic lc gate slave telephone system with voice recorder as per rdso specification no. rdso/spn/ tc/51/2021 revision 1.0 (inspection agency:- consignee), supply of centralized power supply system 24 volts dc power pack with 7ah mf battery for electronic lc gate telephone system as per rdso spec:- no. rdso / spn / tc / 51 / 2011 (rev. 3.0) amdt - 1 or latest.(inspection agency:- consignee), supply of optical power meter, type-b, as per tec spec. gr / opm - 01 / 03 feb. 2005 or latest. (make & model khushicom-k280) or similar branded make. (inspection by consignee)., supply and testing of optical laser light source of make- jdsu model- ols-35 or similar branded make.(inspection agency:- rites), supply of optical laser torch of reputed make. (make & model-proskit mt-7530) or similar branded make. (inspection agency: - consignee), supply of automatic fusion splicer for single mode optical fibre cable, along with accessories as per tec spec. tec/gr/tx/osm 001/04/sep-12 or latest of make superior/fujikura or similar. consignee shall approve the supply only after successful demonstration at site. (inspection agency:- rites), supply of otdr suitable for 1310/1550nm fiber with resolution of 60 cm, dynamic range of 314/29 db with all accessories for working on single mode optical fiber as per tec spec. tec/gr/tx/otd 001/05/sep-19 or latest, of reputed make like yokogawa/zdsu/viavi or similar. consi

Central Government / Public Sector

CTN :43499956

02 Feb, 2026 NA

Guntur - Andhra Pradesh

Tender For provision of aspiration type smoke detection system at 71 nos electronic interlocking & panel interlocking stations/goomties over gnt division

Central Government/Public Sector

CTN :43399525

27 Jan, 2026 NA

Prayagraj - Uttar Pradesh

Tender For comprehensive annual maintenance contract of electronic interlocking system of "kyosan" make installed at prayagraj (pryj) station of prayagraj division for a period of three years.

Central Government And Public Sector

CTN :43463871

27 Jan, 2026 NA

Katihar - Bihar

Tender For (a) electrical general work in connection with s&t work "provision of electronic interlocking system in place of conventional panel interlocking system at radhikapur of katihar division". (b) electrical general work in connection with engg. work " at kir:- protection and improvement of water bodies in railway land which helps in recharging the aquifer and afforestation including development of green area at koshi green golf course (109 acre) under the jurisdiction of sse/works/west/kir".

Central Government/Public Sector

CTN :43463939

30 Jan, 2026 NA

Vadodara - Gujarat

Tender For signalling work such as supply, installation, testing, commissioning, modification/alteration in electronic interlocking, interlocking of lc gates including indoor and outdoor work in connection with the work of "annd-gda section: interlocking of non-interlocked lc gate no. 3, 21, 27 and 32"

Central Government/Public Sector

CTN :43463964

06 Feb, 2026 NA

Mumbai - Maharashtra

Tender For replacement of indoor & outdoor signalling gears of dativali cabin (dcc) with electronic interlocking in mumbai division of central railway.

CTN :43469256

11 Feb, 2026 NA

Bhopal - Madhya Pradesh

Tender For design, supply, installation, testing & commissioning of outdoor signal and telecommunication work from mangliyagaon to kheri section with provision of electronic interlocking in 05 stations viz mangliyagaon, pannod, semaliyachau, chapda and kheri in connection with new single broad guage rail line between indore to budni in the state of madhya pradesh, india

Central Government/Public Sector

CTN :43447644

29 Jan, 2026 NA

Ajmer - Rajasthan

Tender For aden/ranapratap nagar sub division:-renovation of bathroom block & treatment of roof leakage in hostel no. 2, 3, 6 and 7 at zrti udaipur and provision of s&t rooms in connection with provision of electronic interlocking in place of panel interlocking along with msdac at ghosunda station of ajmer division alongwith associated electrical works.

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