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12Latest Unbalance relay Tenders List

Latest Unbalance relay Tenders in India – Verified Leads & Real-Time Insights by Tender18

Finding the right Unbalance relay tenders in India’s competitive e-procurement ecosystem requires more than just access—it demands accurate data, real-time monitoring, and expert analysis.

At Tender18 Infotech Private Limited, we bring deep industry experience in government procurement to help businesses identify, evaluate, and win Unbalance relay tenders efficiently. With a centralized platform aggregating 1100+ live tenders, we provide a single, trusted source for opportunities from central, state, and PSU departments.


Real-Time Unbalance relay Tender Intelligence & Monitoring

Our advanced dashboard delivers actionable insights and structured tender data, enabling you to make faster and smarter bidding decisions.

We categorize Unbalance relay tenders into:

  • Supply Tenders – BOQs and specifications sourced from GeM and PSUs
  • Service Tenders – NITs and scope of work from CPPP and state portals
  • EPC Projects – Large-scale infrastructure tenders with financial and design data

✔ This structured approach ensures complete transparency and deeper bid analysis before submission.


Comprehensive Sources of Unbalance relay Tenders

Tender18 acts as a centralized gateway by aggregating tenders from trusted and official sources:

  • Central Government Portals – CPPP, NIC, and Government e-Marketplace (GeM)
  • Railways & Transport – IREPS and Metro Rail projects
  • Power & Energy PSUs – NTPC, ONGC, NHPC, PowerGrid
  • Defense & Strategic Sectors – MES and DRDO tenders
  • State e-Procurement Portals – Gujarat, Maharashtra, Tamil Nadu, UP, and more

✔ Every listing is verified and regularly updated to maintain data accuracy and trust.


Step-by-Step Guide to Participate in Unbalance relay Tenders

1. Eligibility & Prequalification

Before bidding, ensure compliance with:

  • Financial turnover requirements (30–50% of tender value)
  • Past experience (2–3 similar projects)
  • Valid solvency certificate

2. Mandatory Documentation Checklist

Prepare the following to avoid disqualification:

  • Digital Signature Certificate (Class 3 DSC)
  • GST, PAN, MSME/Udyam registration
  • EMD (Earnest Money Deposit) or exemption proof
  • Technical bid with execution methodology

3. BOQ Analysis & Financial Bidding

The BOQ (Bill of Quantities) is the most critical component:

  • Analyze item-wise pricing
  • Ensure competitive yet sustainable quotes
  • Avoid underbidding risks (L1 pressure)

✔ Expert analysis can significantly improve your bid success ratio.


Why Tender18 is a Trusted Platform for Unbalance relay Tenders

✔ Proven Expertise in Government Procurement

We combine industry knowledge with practical bidding experience.

✔ Verified & Reliable Data

All Unbalance relay tenders are sourced from official portals and cross-checked for accuracy.

✔ Advanced Filtering Tools

Filter tenders by value, EMD, location, and category for precise targeting.

✔ Corrigendum & Update Tracking

Get instant alerts on deadline changes and specification updates.

✔ Historical Data Insights

Analyze past tender results to understand pricing trends and competition.

✔ End-to-End Bidding Support

From discovery to submission, including GeM onboarding and strategy.


Growth of Unbalance relay Sector in 2026

With the Government of India focusing on digital procurement and infrastructure expansion, the Unbalance relay sector has seen significant growth in e-tendering opportunities.

The rise of GeM-based procurement models like:

  • L1 Purchase
  • Direct Procurement
  • MSME-friendly policies

…has made it easier for startups and SMEs to participate and win contracts


Frequently Asked Questions (SEO Optimized)

How can I get daily Unbalance relay tender alerts?

You can register on Tender18 and select your preferred category. You will receive daily email alerts with all new Unbalance relay tenders.

Is EMD mandatory for all Unbalance relay tenders?

No, MSME and Udyam-registered businesses may get exemptions. Always check the NIT for specific conditions.

What is the difference between a Unbalance relay work tender and supply tender?

A supply tender involves delivering goods, while a work tender includes execution, labor, and project completion.

Can I access private Unbalance relay tenders on Tender18?

Yes, we also track major private sector and EPC tenders along with government opportunities.


Get Expert Support for Unbalance relay Tenders

Tender18 is more than a listing platform—we are your strategic partner in winning tenders.

Our services include:

  • Tender discovery & analysis
  • Documentation support
  • Bid strategy & submission
  • GeM registration & OEM onboarding

📞 Call / WhatsApp: +91 7069661818
🌐 Website: www.tender18.com

Due Date
T18 Ref No : 17429012
Location : jodhpur , rajasthan
LIVE TENDER
tender for supply of numerical type relay (over/under voltage, over current and unbalance current) for 25kv shunt capacitor bank as per rdso specification no. ti/spc/psi/protct/6072 with a&c slip no. 1 or latest., numerical integrated transformer differential protection relay as per rdso sp ecification no. ti/spc/psi/protct/6072 with latest a&c slip no.1 or latest. - warranty period: 30 mont hs after the date of delivery
Agency / Dept :
north western railway NWR
Due Date :
Nov 10, 2026 (26 days left)
Tender Value :
Refer Document
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T18 Ref No : 17175890
Location : lucknow , uttar pradesh
LIVE TENDER
tender for dol starter for 15 hp motor, dol starter for 15 hp motor, 3-phase, 440 volts, having over-load relay, range 20 to 32 amp , coil voltage : 415/440 volts, complete motor protection against overload unbalanced voltage. make-bch, l&t, abb, bentex ,similar - warranty period: 30 months after the date of delivery -quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs
Agency / Dept :
northern railway NR
Due Date :
Oct 24, 2026 (9 days left)
Tender Value :
Refer Document
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T18 Ref No : 17530884
Location : katihar , bihar
tender for supply, testing, installation and commissioning of capacitor bank protection relay incorporating over-current relay (ocr), under-current relay (ucr),unbalance current relay (ubcr), under-voltage relay (uvr)and over-voltage relay (ovr) protection functions, supply, testing, installation and commissioning of capacitor bank protection relay incorporat ing over-current relay (ocr), under-current relay (ucr),unbalance current relay (ubcr), under-voltage relay (uvr)and over-voltage relay (ovr) protection functions, suitable for 132 kv/25 kv traction sub-stati on (tss). the scope shall include all associated equipment and accessories required for safe, reliable and s atisfactory operation, including interconnecting cables, internal wiring, earthing arrangements,mounting str uctures, terminals, hardware, accessories and auxiliaries, complete in all respects, suitable for ashida make panel and fully suitable for the existing capacitor bank protection scheme and associated ct/pt arrangeme nts. the offered relay shall comply with rdso specification no. ti/spc/psi/protct/6072 or latest applicabl e specification, including all applicable amendments/corrigenda.the scope shall also include necessary prot ection settings,testing, integration with the existing protection system and commissioning at site, complete in all respects. - warranty period: 30 months after the date of delivery
Agency / Dept :
northeast frontier railway NFR
Due Date :
Oct 08, 2026
Tender Value :
Refer Document
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T18 Ref No : 17278099
Location : kanchrapara , west bengal
tender for numerical type relays for 25 kv shunt capacitor bank, numerical type relays for 25 kv shunt capacitor bank as per rdsos specification no. ti /spc/psi/protct/ 6072 with a & c slip no.1, consisting of the following inbuilt protections function suc h as :- (i) under / over voltage protection relays (ii) over current & unbalance current relay - warra nty period: 30 months after the date of delivery -quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs
Agency / Dept :
eastern railway ER
Due Date :
Oct 06, 2026
Tender Value :
Refer Document
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T18 Ref No : 16723214
Location : gandhidham , gujarat
Source : GEM Tenders
corrigendum tender for 16sq.mmx4c copper xlpe armoured cable , 10sq.mm x 4c copper xlpe armoured cable , 4sq.mm x 3c copper xlpe armoured cable , 2 pole 25amp rcbo , 4 way spn db 4 way mcb db , rcbo fp 40amp 100ma , 8 way double door mcb distribution board , 4p triple pole and neutral c curve mcb 32amp , 2p single pole and neutral c curve mcb 40amp , 2p single pole and neutral c curve mcb 25amp , 1p single pole c curve mcb 6amp , indoor 3 phase surge protector as per standard iec61643 11 en 61643 11 , 1m stepped type electronics fan regulator , copper winding ceiling fan 1200mm , 24inch ceiling fan down rod , installation testing and commissioning of ceiling fan including wiring the down rods of standard length , 400mm bracket mounted fan for wall mounting , 200 mm 5 blade white dome exhaust fan , installation charges of 200mm exhaust fan , extra carpentry work including supply and fixation of white colour 19mm plywood , 3 phase 415v ac 3hp 5hp submersible motor starter mu g6dol , 1 phase 230v ac 2hp 1.5kw monoblock pump , 1 phase 230v ac 2hp monoblock motor electronics starter , hand held gi monoblock pump guard , 12w led round surface light , led t5 20w , 50w led luminaire for flood light , 10w led self ballasted lamp , aluminum cast water proof glass bulk head with led light , led fitting all types complete with all accessories directly on wall including connection with 1.5sq.mm frls pvc insulated copper conductor , 1m box , 2m box , 3m box , 4m box , 6m box , 8m box , 12m box , 5 6amp switch modular switch socket , 3 pin 5 6 socket outlet , 15 16a switch , 6 pin 15 16a socket outlet , modular blanking plate , modular angle holder including connection , 1.5sq.mm copper flexible cable , 2.5sq.mm copper flexible cable , 4sq.mm copper flexible cable for general maintenance , 12m modular 16amp universal extension board , 2.5sq.mm x 3c copper flexible cable for extension board , 1500 watt immersion heater isi mark heavy duty 3 pin moulded plug , led gate lights including connection , stable telescopic aluminum ladder , 2000w square single element induction heater , excavating trenches for all types of soil by mechanical manual means , 55 inches ultra hd smart television , miscellaneous items required for the execution of work, supply installation testing and commissioning copper armoured cable and other electrical items, supply installation and testing with connection of 16sq.mmx4c copper xlpe armoured cable from power house lvdb panel to vts tower mains lift iron clad triple pole ictp switch reputed brand, supply installation and testing with connection of 10sq.mm x 4c copper xlpe armoured cable from power house lvdb panel to iq mains ictp switch reputed brand, supply installation and testing with connection of 4sq.mm x 3c copper xlpe armoured cable from power house pgvcl meter cutout to na ii quarter i ii reputed brand, supply installation and testing with connection of 4sq.mm x 3c copper xlpe armoured cable from power house pgvcl meter cutout to lha quarter i ii reputed brand, supply installation and testing with connection of 2 pole 25amp rcbo for staff quarters reputed brand qty 4nos plus 1nos spare equal to 5nos., supply and installation of 4 way spn db 4 way mcb db for staff quarters reputed brand qty 4nos plus 1spare equal to 5nos., supply installation and testing with connection of rcbo fp 40amp 100ma for iq and lift reputed brand qty 2nos. plus 1spare equal to 3nos, supply and installation of 8 way double door mcb distribution board for iq reputed brand qty 1no. plus 1spare equal to 2nos, supply installation and testing with connection of 4p triple pole and neutral c curve mcb 32amp 1no. for lvdb plus 1no. for iq plus 1no. for spare equal to 3nos, supply installation and testing with connection of 2p single pole and neutral c curve mcb 40amp 1no. for power house lvdb panel plus 1no. for spare equal to 2nos, supply installation and testing with connection of 2p single pole and neutral c curve mcb 25amp 3nos. for iq ac plus 1no. for tower ac plus 2no. for spare equal to 6nos, supply installation and testing with connection of 1p single pole c curve mcb 6amp 4nos. for iq office plus 1no. for vts tower plus 1no. aviation light plus 3no. for spare equal to 9nos, supply and installation of indoor 3 phase surge protector as per standard iec61643 11 en 61643 11 in lvdb panel ip 20 indoor degree of protection l1 l2 l3 max.continuous operating voltage uc 335v ac max. protection level up 1.5kv nominal discharge current in 20ka maxi. discharge current imax 40ka for neutral uc 260v ac up less than equal to 1.5kv in 20ka imax 40ka 1no. for power house plus 1no. for vts tower plus 1no. for solar plus 2nos spare equal to 5nos., supply and installation with connection of 1m stepped type electronics fan regulator on the existing modular plate switch box including connection for 4nos in iq plus 4nos in lha twin qtr. plus 3nos spare equal to 11nos., supply of copper winding ceiling fan 1200mm isi mark for 2nos for iq bedroom plus 2nos for group d qtr. plus 1nos spare equal to 5nos, supplying of 24inch ceiling fan down rod as required, installation testing and commissioning of ceiling fan including wiring the down rods of standard length up to 30 cm with 1.5 sq. mm frls pvc insulated copper conductor single core cable including providing and fixing phenolic laminated sheet cover on the fan box etc. as required., supply and installation with connection of 400mm bracket mounted fan for wall mounting in service room of lighthouse 1no. in security room plus 1no. in office equal to 2nos, supply of 200 mm 5 blade white dome exhaust fan with dust protection shutters in the existing opening for 2nos power house plus 1no. iq toilet plus 2nos for staff quarter equal to 5nos, installation charges of 200mm exhaust fan in the existing opening including connection testing commissioning etc. as required., extra carpentry work including supply and fixation of white colour 19mm plywood on the exiting and ss net fixation with wooden batten patti at the outer side of the exhaust opening rate including gst, supply and installation of 3 phase 415v ac 3hp 5hp submersible motor starter mu g6dol type 3 phase direct on line starter dual analog voltmeter and ammeter input supply 415v 50hz ac power range 3hp 6 hp with protection of overload single phasing phase reversal and unbalance protection fitted with mk1 contactor 360v coil and mk1 relay auto restart approx. 30 sec to 5 min delay indicator lamps power on pump on enclosure metal ip 54 reputed brand, supply and installation of 1 phase 230v ac 2hp 1.5kw monoblock pump supply and installation of 1 phase 230v ac 2hp 1.5kw monoblock pump body of material cast iron motor body type centrifugal pump head range greater than 10 meter or better flow rate 90 450lpm or better suction x delivery size 50x50mm or 65x50mm or better maxi. suction lift greater than 7meter or better reputed brand, supply and installation of 1 phase 230v ac 2hp monoblock motor electronics starter input supply 230v 50hz ac load capacity 30amp 0.75 hp 3 hp with protection of over voltage 260v 280vsettable low voltage 160v 180v settable overload 4 amp 30 amp settable dry run 0.01amp 27amp settable auto manual reset facility settable and off time delay facility reputed brand, supply and installation of hand held gi monoblock pump guard as per size height of pumps at chudeshwar vts station., supply and installation of 12w led round surface light for ceiling in vts tower qty 15nos plus 5spare equal to 20nos, supply and installation of led t5 20w for 25nos chudeshwar station plus 5spare equal to 30nos, supply and installation of 50w led luminaire for flood light 3nos to be installed in station premises plus 1no. spare equal to 4nos., supply and installation of 10w led self ballasted lamp for iq qty 4nos for iq plus 7nos staff qtr plus 3nos spare equal to 14nos., supply and installation of aluminum cast water proof glass bulk head with led light qty 20nos plus 2spare equal to 22nos, installation testing and commissioning of led fitting all types complete with all accessories directly on wall including connection with 1.5sq.mm frls pvc insulated copper conductor single core cable and earthing etc. as required. 15 plus 25 plus 3 plus 4 plus 7 plus 20 equal to 74nos, supply and installation of 1m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supply and installation of 2m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supply and installation of 3m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supply and installation of 4m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supply and installation of 6m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supply and installation of 8m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supply and installation of 12m box modular switch board box with matching frame plate and cover plate for external fitting on wall reputed brand, supplying and fixing 5 6amp switch modular switch socket on the existing modular plate and switch box including connection qty 36 plus 14spare equal to 50nos, supplying and fixing 3 pin 5 6 socket outlet on the existing modular plate and switch box including connection qty 15 plus 8spare equal to 23nos, supplying and fixing 15 16a switch on the existing modular plate and switch box including connection qty 8 plus 4spare equal to 12nos, supplying and fixing 6 pin 15 16a socket outlet on the existing modular plate and switch box including connection qty 8 plus 4spare equal to 12nos, supplying and fixing modular blanking plate on the existing modular plate and switch box, supply and fixing modular angle holder including connection etc. as required reputed brand qty 12nos plus 3spare equal to 15nos., 1.5sq.mm copper flexible cable for general maintenance in the station reputed brand, 2.5sq.mm copper flexible cable for general maintenance in the station reputed brand, 4sq.mm copper flexible cable for general maintenance in the station reputed brand, supply and installation of 12m modular 16amp universal extension board with power on 6a red indicator 16a 4nos. universal socket 3nos. 20a modular single pole mcb along with 2.5sq.mm x 3c copper flexible cable 1meter connected to 16a three pin top reputed brand rate including gst, 2.5sq.mm x 3c copper flexible cable for extension board reputed brand, 1500 watt immersion heater isi mark heavy duty 3 pin moulded plug touch protection cover waterproof heating indicator reputed brand, supply installation and testing of good quality of led gate lights including connection reputed brand, supply of compact stable telescopic aluminum ladder total extended height of 10 feet for station general maintenance, supply of 2000w square single element induction heater reputed brand, excavating trenches for all types of soil by mechanical manual means of required width for cables including excavation for sockets and dressing of sides ramming of bottom for all depth including getting out the excavated soil and then returning the soil as required in layers by ramming watering etc. and disposing of surplus excavated soil as directed within a lead of 50m 140 plus 40 plus 230 plus 230 l x 0.3m w x 0.3m h equal to 192.3cum, supply installation testing of 55 inches ultra hd smart television for inspection quarter at chudeshwar and chhachhi vts station, miscellaneous items required for the execution of work assorted size of ss screws and ss nut bolt washer for electrical fittings insulation tape 8nos 20x15mm casing capping patti 3mtr piece x 8 piece for wiring work. 20mm pvc reinforced steel wire flexible conduit 30meter 19mm plywood sheet 1.5 feet x 1.5feet for installation of 2hp monoblock pump approx. weight 30kg 16sq.mm copper lug 50nos 10sq.mm copper lug 50nos 4sq.mm copper lug 50nos supply of pvc suction hose pipe for inlet 10m outlet 10m and foot valve for 2hp monoblock pump as per size of inlet and outlet head pvc pipes gi coupling and necessary fitting for 2hp monoblock pump hiring of plumber for plumbing work 50mm upvc pipe for road crossing 18meter hiring of rcc road breaker and labour charge along
Agency / Dept :
department of lighthouses and lightships DGLL
Due Date :
Aug 13, 2026
Tender Value :
12.45L
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T18 Ref No : 16640766
Location : rawatbhata , rajasthan
Source : GEM Tenders
corrigendum tender for switch fuse unit having fuse type din 32 a udr , switch fuse unit having fuse type din 125 a udr , switch fuse unit having fuse type din 250 a udr , lv hrc fuse element 10 a , lv hrc fuse element 50 a , contactor 12a , contactor 32a , contactor 38a , contactor 70a , contactor 110a , contactor 170a , contactor 400a , over load relay 0.4 to 0.63a , over load relay 0.63 to 0.1a , over load relay 0.8 to 1.25a , over load relay 1.25 to 2a , over load relay 1.6 to 2.5a , over load relay 2.5 to 4.0 a , over load relay 6.3 to 10.0 a , over load relay 8.0 to 12.5 a , over load relay 16.0 to 25.0 a , over load relay 25.0 to 36.0 a , over load relay 32.0 to 50.0 a , over load relay 115.0 to 180.0 a , contactor 10a coil voltage 48vdc , contactor 16a coil voltage 48vdc , auxiliary contact 1no , auxiliary contact 1nc , cage nut , safety shutter , door gasket rubber for mcc cell door , ryb copper busbars for 8pu , fuse puller , mechanical interlocking mechanism , fuse cover phase barrier , front drive handle , 3tx4010 4a , 3tx4010 2a , 3ty7561 1ka008k , 3ua50001 f , 3ua50001 g , 3ua5200 2b , replacement of different components , siemens make power contactor 65a , supply of siemens make power contactor 32a , siemens make power contactor 16a , microprocessor based over load relay 4 to 16a type 3rb3113 4tb0 , microprocessor based over load relay 6 to 25atype 3rt2027 1ag20 , microprocessor based over load relay 12.5 to 50a type 3rt2037 1ag20, spares of 415v ms siemens make mcc panels, supply of siemens make switch fuse unit having fuse type din 32 a udr, supply of siemens make switch fuse unit having fuse type din 125 a udr part no 3km82213ta20, supply of siemens make switch fuse unit having fuse type din 250 a udr with z type lyra part no 3kl83213ua20, supply of siemens make lv hrc fuse element nh000 in 10 a gg un ac 500 v un dc 250 v combined indicator live grip lugs part no 3na78030rc, supply of siemens make lv hrc fuse element nh000 in 50 a gg un ac 500 v un dc 250 v combined indicator live grip lugs part no 3na78200rc, supply of siemens make contactor 12a coil voltage 110 v ac 3 part no 3tf3110 0af0, supply of siemens make contactor 32a coil voltage 110 v ac 3 part no 3tf3400 0af0, supply of siemens make contactor 38a coil voltage 110 v ac 3 part no 3tf3500 0af0, supply of siemens make contactor 70a coil voltage 110 v ac 3 part no 3tf4772 0af0, supply of siemens make contactor 110a coil voltage 110 v ac 3 part no 3tf5002 0af0, supply of siemens make contactor 170a coil voltage 110 v ac 3 part no. 3tf5202 0af0, supply of siemens make contactor 400a coil voltage 110 v ac 3 part no 3tf5602 0af0, supply of siemens make thermal over load relays current setting range 0.4 to 0.63 a aux. contact 1no and 1nc part no 3ua5000 og, supply of siemens make thermal over load relays current setting range 0.63 to 1.0 a aux. contact 1no and 1nc part no 3ua5000 oj, supply of siemens make thermal over load relays current setting range 0.8 to 1.25 a aux. contact 1no and 1nc part no 3ua5000 ok, supply of siemens make thermal over load relays current setting range 1.25 to 2.0 a aux. contact 1no and 1nc part no 3ua5000 1b, supply of siemens make thermal over load relays current setting range 1.6 to 2.5 a aux. contact 1no and 1nc part no 3ua5000 1c, supply of siemens make thermal over load relays current setting range 2.5 to 4.0 a aux. contact 1no and 1nc part no.3ua5000 1e, supply of siemens make thermal over load relays current setting range 6.3 to 10 a aux. contact 1no and 1nc part no 3ua5000 1j, supply of siemens make thermal over load relays current setting range 8.0 to 12.5 a aux. contact 1no and 1nc part no 3ua5000 1k, supply of siemens make thermal over load relays current setting range 16.0 to 25 a aux. contact 1no and 1nc part no 3ua5200 2c, supply of siemens make thermal over load relays current setting range 25.0 to 36 a aux. contact 1no and 1nc part no 3ua5500 2q, supply of siemens make thermal over load relays current setting range 32.0 to 50 a aux. contact 1no and 1nc part no 3ua5800 2fz1, supply of siemens make thermal over load relays current setting range 115.0 to 180 a aux. contact 1no and 1nc part no 3ua6230 5b, siemens make contactor 10 a 3th3022 0bw4 coil voltage 48vdc, siemens make contactor 16a 3th3022 0bw4 coil voltage 48vdc, supply of auxiliary contacts no for siemens make contactor part no 3tx4010 2a, supply of auxiliary contacts nc for siemens make contactor part no 3tx4001 2a, supply of spares of siemens make mcc panels cage nut part no 4 03 01049 101, supply of spares of siemens make mcc panels safety shutter part no 8pu15880fg030aa0, supply of spares of siemens make mcc panels door gasket rubber profile for mcc cell door edge, supply of ryb copper busbars for 8pu s1 type panel 60x6 sq mm part no 8pu15880vbc10aa0, supply of siemens make fuse puller with longer arm part no 3nx1011, supply of siemens make mechanical interlocking mechanism for 3tf30 31 type 3tx4091 1a, supply of siemens make fuse cover phase barrier suitable for 125 amp sfu type 3kx823, supply of siemens make fuse cover phase barrier suitable for 250 amp sfu type 3kx8340 9ae, supply of siemens make front drive handle suitable for 63 amp sfu type 8uc6114, supply of siemens make front drive handle suitable for 125 amp sfu type 8uc6214, supply of siemens make front drive handle suitable for 250 amp sfu type 8uc6314 1bb00, supply of auxiliary contacts no extended for siemens make contactor part no 3tx4010 4a, supply of auxiliary contacts nc extended for siemens make contactor part no 3tx4001 4a, supply of auxiliary contacts set second 1no and 1nc left for siemens make contactor part no 3ty7561 1ka 008k, supply of auxiliary contacts set second 1no and 1nc right for siemens make contactor part no 3ty7561 1ka 008k, supply of siemens make thermal over load relays current setting range 3.2 to 5.0 a aux. contact 1no and 1nc part no 3ua50001 f, supply of siemens make thermal over load relays current setting range 4.0 to 6.3 a aux. contact 1no and 1nc part no 3ua50001 g, supply of siemens make thermal over load relays current setting range 12.5 to 20.0 a aux. contact 1no and 1nc part no 3ua5200 2b, replacement of different components sfu contactors overload relay and fuses in each cell trolley as per schedule of respective mcc cells and as directed by engineer in charge and complete scheme checks. the replacement work shall be carried out by only authorise representative of oem. refer additional terms and condition., supply of siemens make power contactor 65a 1no and 1nc coil voltage 110v ac type 3rt2037 1ag20 with additional aux. contact 2no and 2nc type type 3rh2911 1ha22, supply of siemens make power contactor 32a 1no and 1nc coil voltage 110v ac type 3rt2027 1ag20 with additional aux contact 2no and 2nc type 3rh2911 1ha22, supply of siemens make power contactor 16a 1no coil voltage 110v ac size 000 type 3rt2018 1af01 with additional aux. contact 2no and 2nc type 3rh2911 1ha22, supply of siemens make microprocessor based overload relay current setting range 4 to 16a type 3rb3113 4tb0 trip class 5 to 30 settable with overload phase failure phase unbalance and earth fault protection size 000 suitable to direct mount on 3rt2018 1af01., supply of siemens make microprocessor based overload relay current setting range 6 to 25a type 3rb3123 4qb0 trip class 5 to 30 settable with overload phase failure phase unbalance and earth fault protection size 0 suitable to direct mount on 3rt2027 1ag20, supply of siemens make microprocessor based overload relay current setting range 12.5 to 50a type 3rb3133 4ub0 trip class 5 to 30 settable with overload phase failure phase unbalance and earth fault protection size s2 relay with screw terminals for mounting onto contactor on 3rt2037 1ag20
Agency / Dept :
nuclear power corporation of india limited NPCIL
Due Date :
Aug 14, 2026
Tender Value :
Refer Document
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T18 Ref No : 17234196
Location : tinsukia , assam
tender for electronic over current relay (eocr ), over current under current , phase loss, phase unbalance, phase reversal, locked rotor make:- bch, siemens, mitsubishi electric or similar as per specification attached., electronic over current relay (eocr ), over current under current , phase loss, phase unbal ance, phase reversal, locked rotor make:- bch, siemens, mitsubishi electric or similar as per specification attached. - warranty period: 12 months after the date of delivery
Agency / Dept :
northeast frontier railway NFR
Due Date :
Sep 24, 2026
Tender Value :
Refer Document
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T18 Ref No : 16729666
Location : ajmer , rajasthan
tender for supply of microprocessor based numerica, supply of microprocessor based numerical capacitor bank protection relay construction of mpromising over voltage, under voltage, idmt over current,current unbalance protection as per rdso specification no. ti/spc/psi/protct/6072 with addendum and corrigendum slip no. 1, suitable for emergency replacement of existing alind make c&r panels in ajmer division wi thout any retrofitting/cut-out. - warranty period: 30 months after the date of delivery -quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs
Agency / Dept :
north western railway NWR
Due Date :
Sep 22, 2026
Tender Value :
Refer Document
View Documents
T18 Ref No : 16936528
Location : bhatiyat , himachal pradesh
Source : GEM Tenders
tender for danger sign board size 8 x10 for 11 kv as per is 2551to1982 , danger sign board size 8 x10 for 415v as per is 2551to1982 , dew guard 50mmx75mmx2mm , dew guard 50mmx100mmx2mm , dew guard 150mmx150mmx2mm , aluminium thimble 35 sq mm , aluminium thimble ring type 70 sq.mm , aluminium thimble ring type 95 sq.mm , aluminium thimble 16 sq mm , pvc shaddle clamp with nail 10mm , aluminium thimble ring type 50 sq mm , spare kit without coil for ml3 contactor , pvc junction box , allen key set 2to10mm , gi wire 14 swg , dtospanner set 6mmto28mm , ring spanner set 8mmto32 mm , power contactor 220 amps , thermal overload relay 80to110 a approx conforms to ac 3 utilization , control transformer , control transformer 2kva 440by110v ac 50 hz , mccb 250amp , dimmer for celling fan , mccb 160a 4 pole 35ka , hexa frame 12inch , outdoor heat srinkable end termination kit for 3 core 35mm2 xlpe cable , contactor 2no 2nc coilto110v ac , power contactor 3pole 185amp coil 415v 50hz ac , 3 pole 63 amp contactor coil voltage 220v ac with auxiliary contacts 1 no and 1 nc , heater rod 1000w , room heater double rod , led bulb 45 watts , led bulb 9w , 3 pole power contractor 25a coil voltage 415v , 3p power contactor 32 amp for acto3 cat control coil voltage 230vac with atleast 2no 2nc contacts , grinder blade , fan hooks , mccb 400 a 415v 4p 50 ka breaking capacity with microprocessor , mccb 100 a 415v 4p 50 ka breaking capacity with thermal magnetic release , 20w led tube light with batten , rubber hand gloves pair , pillar heater 3 pcs switch set , rechargeable led torch light 5w , thermal overload relay 30to40 a range direct mounting type , mcb single pole 10a , mcb tpn 40 a , pendent holder 5amp , pvc clamp 1by2inch , aluminium thimble 240 sq mm , thimble copper 35 mm ring , cable tie 150mm , cable tie 200mm , soldering iron 65 watt , pvc board switch box 7inchx4inch , pvc board 4 x 4 , pvc board 8x10 with phenolic sheet , sunmica sheet 7 inch x 4 inch , sunmica sheet 4 inch x 4 inch , dol starter for 25 hp , pushbutton red 3sb5000to0lc01 , pushbutton green 3sb5000to0le01 , cotton tape roll , measuring tape 50 meters ,, purchase of miscellaneous electrical items and consumables, switch 16 amp piano type, socket 16amp 6 pin piano type, socket 6amp piano type, switch 6 amp piano type, plug top 3 pin 6 amp, capacitor 2.5 mfd, batten holder, 3pin plug top 15amp, 16by6 amp switch and socket combined box type, pvc insulation tape, waterproof smd strip led light multi colour, test pencil line tester, smf battery 12v 7 ah ups battery, single pole mcb b series 6 a 240 v 50 hz 10 ka, single pole mcb b series 16 a 240 v 50 hz 10 ka, single phase preventor for 3 phase 440v ac having phase unbalance protection with 1no and 1 nc contact, silica gel breather for 500kva 11 by 0.4kv transformer, screw driver set, screw driver heavy duty 1 inch, saddle clamp 25 mm, rawal plug 6by40mm, pvc flexible conduit pipe inch, pvc conduit 25 mm, casing capping 1, nose plier 8inch, mcb double pole 40amp c curve, mcb d pole 63a, mcb 32a double pole, machine screw brass 1by2, machine screw 2, machine screw 1, hss drill bits 6mm, hexa blade double edge 25 mm, heater element for piller heater 750 w with glass cover complete set, generic wire or cable stripper electrician knife 7, double door mcb box 8 way, crc 2to26 spray bottle 300ml, concrete drill bit 8 mm, combination plier 8, pvc bend 25mm dia for conduit, pvc gitti 1inch, led driver unit 35watt, led driver unit 70watt, led driver unit 110watt, deep groove ball bearing single row no 6210, 20w led tubelight with batten and battery, ball bearing 6206, duster cloth, led recessed mounted downlighter 15w with constant current driver 220to240vac round cutout, distilled water 5ltrs, danger sign board size 8 x10 for 11 kv as per is 2551to1982, danger sign board size 8 x10 for 415v as per is 2551to1982, dew guard 50mmx75mmx2mm, dew guard 50mmx100mmx2mm, dew guard 150mmx150mmx2mm, aluminium thimble 35 sq mm, aluminium thimble ring type 70 sq.mm, aluminium thimble ring type 95 sq.mm, aluminium thimble 16 sq mm, pvc shaddle clamp with nail 10mm, aluminium thimble ring type 50 sq mm, spare kit without coil for ml3 contactor, pvc junction box, allen key set 2to10mm, gi wire 14 swg, dtospanner set 6mmto28mm, ring spanner set 8mmto32 mm, power contactor 220 amps, thermal overload relay 80to110 a approx conforms to ac 3 utilization, control transformer, control transformer 2kva 440by110v ac 50 hz, mccb 250amp, dimmer for celling fan, mccb 160a 4 pole 35ka, hexa frame 12inch, outdoor heat srinkable end termination kit for 3 core 35mm2 xlpe cable, contactor 2no 2nc coilto110v ac, power contactor 3pole 185amp coil 415v 50hz ac, 3 pole 63 amp contactor coil voltage 220v ac with auxiliary contacts 1 no and 1 nc, heater rod 1000w, room heater double rod, led bulb 45 watts, led bulb 9w, 3 pole power contractor 25a coil voltage 415v with 2no+2nc auxiliary contact, 3p power contactor 32 amp for acto3 cat control coil voltage 230vac with atleast 2no 2nc contacts, grinder blade, fan hooks, mccb 400 a 415v 4p 50 ka breaking capacity with microprocessor, mccb 100 a 415v 4p 50 ka breaking capacity with thermal magnetic release, 20w led tube light with batten, rubber hand gloves pair, pillar heater 3 pcs switch set, rechargeable led torch light 5w, thermal overload relay 30to40 a range direct mounting type, mcb single pole 10a, mcb tpn 40 a, pendent holder 5amp, pvc clamp 1/2inch, aluminium thimble 240 sq mm, thimble copper 35 mm ring, cable tie 150mm, cable tie 200mm, soldering iron 65 watt, pvc board/switch box 7inchx4inch, pvc board 4 x 4, pvc board 8x10 with phenolic sheet, sunmica sheet 7 inch x 4 inch, sunmica sheet 4 inch x 4 inch, dol starter for 25 hp, pushbutton red 3sb5000to0lc01, pushbutton green 3sb5000to0le01, cotton tape roll, measuring tape 50 meters, battery 1.5v aaa size, soldring flux paste
Agency / Dept :
national hydroelectric power corporation limited nhpc limited
Due Date :
Sep 14, 2026
Tender Value :
16.26L
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T18 Ref No : 17175735
Location : bilaspur - cg , chhattisgarh
tender for motor protection relay with following protection: phase failure, unbalance, phase, motor protection relay with following protection: phase failure, unbalance, phase sequence o verloading and dry run (under current) having auto/manual reset, adjustable current trip setting, selectable overload, 2 construction of output contact, din rail mounting type along with suitable external current sensor, suitable f or pump 30 and 40 hp, range: 32-80 amp, height of relay and converter should not be more than 61 mm. make : minilec or similar - warranty period: 30 months after the date of delivery
Agency / Dept :
south east central railway SECR
Due Date :
Sep 30, 2026
Tender Value :
Refer Document
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Every year, central and state government departments release thousands of high-value contracts specifically dedicated to Unbalance Relay. Whether it involves bulk material supply, executing specialized operational services, or end-to-end turnkey project execution, the demand for capable vendors in the Unbalance Relay sector is massive.

At Tender18, we help businesses cut through the noise and exclusively target the exact work categories they specialize in. Instead of browsing through generic procurement sites, our platform isolates high-potential opportunities that match your specific industry capabilities.

Work Dynamics in the Unbalance Relay Sector

Government requirements for this specific vertical generally fall into distinct procurement patterns:

  • Product & Material Supply: Tenders focused strictly on sourcing, testing, and delivering high-quality items that meet the exact technical specifications of the buyer.
  • Service Level Agreements (SLAs): Long-term hiring of expert agencies for routine maintenance, manpower deployment, or continuous operational management.
  • Execution & Turnkey Projects: Comprehensive contracts where the bidder is responsible for everything from raw material procurement to final site installation and testing.

By focusing purely on your core strength in Unbalance Relay, you can build a highly profitable and stable pipeline of government clients.

Stop wasting time filtering through irrelevant notices. Our Unbalance Relay Tender Information Service is engineered for precision. We track exact product codes, service names, and specialized work terms across all government portals nationwide. When a buyer publishes a requirement that matches your specific business profile, our system alerts you instantly.

Deep Technical Insights & Documentation For Unbalance Relay Tenders

Bidding for specific works requires studying strict technical parameters. We provide immediate access to the core documents you need to evaluate the project:

  • Detailed Specifications & Drawings: Download the exact engineering guidelines, material testing standards, and quality benchmarks demanded by the buyer for Unbalance Relay.
  • Financial BOQ Spreadsheets: Access the official blank pricing formats where you need to input your unit rates, tax configurations, and total bid value.
  • Real-Time Technical Amendments: If the buying department changes the product specifications, alters the service scope, or shifts the delivery timeline, we instantly update the parent file so you are never caught off-guard.

Winning a contract for Unbalance Relay depends entirely on how perfectly your technical capabilities match the buyer’s demands. Even if you have the best product or service, a poorly formatted document or a missing compliance certificate will lead to instant technical rejection. Tender18’s Tender Bidding Service eliminates this risk by taking complete ownership of your digital submission.

Flawless Compliance & Portal Execution For Unbalance Relay Tenders

Under this service, Tender18 assigns a Dedicated Experienced Technical Person to your profile. This expert handles the heavy lifting of the entire bidding cycle:

  • Capability Mapping: We thoroughly cross-check your past completion certificates, ISO standard proofs, and financial turnover against the strict eligibility criteria required for Unbalance Relay bids.
  • Secure System Integration: Our technical desk seamlessly links your Class III Digital Signature Certificate (DSC) with the required e-procurement servers to securely encrypt your technical and financial envelopes.
  • Error-Free Financial Uploads: We audit your quoted BOQ pricing sheets for any formula or formatting errors before the final upload, ensuring your bid is successfully locked before the portal's closing hours.

Government buyers are aggressively using the Government e-Marketplace (GeM) for the direct procurement of Unbalance Relay. If your business profile is not accurately mapped on this portal, you remain practically invisible to these purchasing officers. Recognized as a trusted and expert GeM consultant, Tender18 offers specialized support to build, optimize, and maintain a highly visible vendor account for your business.

With an industry-leading support success ratio of over 95%, we handle the complex marketplace compliance so you can focus entirely on executing your orders

Expert Profile Management & Catalogue

Our dedicated consultants ensure your GeM presence is structurally perfect:

  • Precise Catalogue Listing: We upload and categorize your specific offerings under the exact search terms and parameters used by government buyers looking for Unbalance Relay, ensuring maximum search visibility.
  • OEM Dashboard & Assessment: For original manufacturers and creators, we guide you through the mandatory Quality Council of India (QCI) vendor assessments to successfully unlock your official OEM panel.
  • Profile Compliance & Caution Money: We manage your statutory documentation, brand approvals, and caution money limits to keep your account immune from technical suspensions.

Strategic Live Bid Participation

Beyond setup, we actively drive your market participation. Our team expertly handles the digital paperwork and rate configurations for GeM Custom Bids and Reverse Auctions (RA) related to Unbalance Relay, maximizing your chances of securing L1 status.

1.

How do I find government contracts exclusively matching my work in Unbalance Relay?

The easiest way is through the Tender18 platform. Instead of searching department by department, our system uses advanced keyword matching to gather all live supply, service, and execution tenders related directly to your core business in one place.

2.

Do I need specific testing or quality certificates to apply for these contracts?

It heavily depends on the nature of the work. For supply contracts, buyers often ask for ISO certifications, BIS marks, or specific lab testing reports. For service contracts, they may ask for labor licenses or past performance certificates (work orders).

3.

What is a BOQ and why is it important for my bid?

The Bill of Quantities (BOQ) is the official financial Excel sheet where you enter your competitive prices. Any mistake in this file—like adding extra rows, changing formulas, or saving it in the wrong format—will cause the portal server to reject your entire bid.

4.

Are samples required to be submitted physically before the digital bid opens?

For many product-based Unbalance Relay tenders, buying departments do ask bidders to submit physical samples to their office before the digital technical evaluation date. This requirement is always clearly mentioned in the official NIT document.

5.

How does the Dedicated Tender Expert from Tender18 help me?

Our assigned expert manages your total portal compliance. They extract the hidden rules from long tender PDFs, create a precise document checklist for your team, map your digital signature, and securely upload your technical and financial files onto the government servers.

6.

What is the role of a Digital Signature Certificate (DSC)?

A Class III DSC is a secure USB device that contains your digital identity. You cannot upload a bid without it. It is used to securely encrypt and lock your sensitive price data and technical documents so no one can view them before the official opening date.

7.

As an MSME, can I get financial benefits when bidding for Unbalance Relay?

Yes, the government strongly supports MSMEs. By uploading a valid Udyam Registration Certificate in the technical envelope, small businesses are frequently exempted from paying the initial Tender Document Fee and the Earnest Money Deposit (EMD).

8.

Why should I list my services or products on GeM for this category?

GeM is now the primary digital marketplace for all government agencies. If you are properly cataloged for Unbalance Relay, officers can view your profile and generate direct purchase orders or invite you to participate in exclusive Custom Bids.

9.

What makes Tender18 a reliable GeM support partner?

As a highly trusted and expert GeM consultant, Tender18 holds a proven support success ratio of over 95%. From flawless profile creation and complex catalogue mapping to OEM panel approvals and live Reverse Auction (RA) support, we handle it all seamlessly.

10.

What does "L1" mean in these government contracts?

"L1" stands for "Lowest Bidder 1". In government procurement, after all technical envelopes are approved, the financial sheets (BOQs) are opened. The bidder who has quoted the lowest compliant price for Unbalance Relay is declared L1 and is generally awarded the contract

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