Latest numerical protection system Tenders | Government numerical protection system Tenders

Central Government/Public Sector

CTN :43403456

06 Jan, 2026 NA

Ajmer - Rajasthan

Tender For supply of insulation monitoring relay 110v ac, measuring range 1 k ohm to 100 k ohm, control voltage range 24-240v ac/dc, output 1c/o (spdt) contact, system leakage capacitance 10 micro farad. conforming to rdso specification no. rdso/pe/spec/ac/0184-2015 (rev-1), used for insulation control 110v of lhb type ac coaches, accepted make & cat. no.: as per sr. no. 67 of the common bom list issued vide rdso letter no. el/7.1.108/mssbc dated 17.09.2021, or any other rdso-approved make.

Central Government / Public Sector

CTN :43404837

12 Jan, 2026 NA

Vijayawada - Andhra Pradesh

Tender For insulation monitoring relay rated 415 volts, 3 phase neutral isolated voltage - range 0 to 500 volts ac, insulation measuring range 0 to 500 volt ac, insulation measuring range 10 kilo ohm to 150 kilo ohm, control supply 230 volts 10%, 50 hz having fault memory test reset button and alarm lead as per rdso specification no rdso/pe/spec/0192 - 2018 (rev-1).make: m/s bender- ir 470ly-21a or equivalent in m/s abb or m/s contrel or m/s woka or m/s-schneider or m/s-siemens or m/s-dold or m/s-lauritz knudsen (formerly l&t) only.

CTN :43405502

30 Jan, 2026 NA

Gorakhpur - Uttar Pradesh

Tender For supply of over voltage protection assembly having solid state relay type

Central Government/Public Sector

CTN :43405927

08 Jan, 2026 NA

Mysore - Karnataka

Tender For supply of set of item for air circuit breaker (acb) of l&t make model no. cn-cs-800c. 1 set consist of (1) under voltage relay (uvr) type-mv, coil voltage: 240v ac. cat. no. sl92720b000, qty.: 01no. per set (2) under voltage release (uvr) type-mv, coil voltage: 415v ac. cat. no. sl92720d000, qty: 01 no. per set.

Central Government/Public Sector

CTN :43406131

09 Jan, 2026 NA

Kanpur - Uttar Pradesh

Tender For supply of alv-d2, phase failure relay with under & over voltage

CTN :43406402

19 Jan, 2026 NA

Izatnagar - Uttar Pradesh

Tender For drop out delay time relay anti skid true off delay control of lhb ac coaches, supply voltage: 110-240volt ac/dc. make abb (ct-ars.21s), seimens (3rp25401aw30), schneider (re22r2kmr), l&t (23gdt0), dold (mk7873n) as per bom of rdso?s specification no rdso/pe/ spec/ ac/0184 -2015 (rev-1).

Central Government/Public Sector

CTN :43401979

10 Jan, 2026 40.4 Thousand

Goa - Goa

Tender For supply of winding temperature relay , relay, vsp d1 , voltage monitoring relay

Central Government/Public Sector

CTN :43234988

05 Jan, 2026 NA

Ropar - Punjab

Tender For corrigendum : supply of voltage regulating relay,tap position indicator

Central Government And Public Sector

CTN :43268362

07 Jan, 2026 6.60 Lacs

Jirania - Tripura

Tender For corrigendum : supply of 3 phase scr controller for constant voltage current card , high voltage and phase fail phase sequence reverse card rating 20va , charger dc under voltage circuit of solid state sensing type. rating. aux. supply 12v dc,actuating voltage 242v, resetting voltage 245v , load over voltage circuit of solid state sensing type. rating. aux. supply 12v dc rating actuating voltage 248v, resetting voltage 245v , battery dc under voltage circuit of solid state sensing type. rating. aux supply 12v dc rating actuating voltage 198v resetting voltage 220v , battery dc over voltage circuit of solid state sensing type rating aux. supply 12v dc actuating voltage 300v resetting voltage 296v , load dc under voltage circuit of solid state sensing type rating aux supply 12v dc actuating voltage 198v resetting voltage 220v , load over voltage circuit of solid state sensing type with aux. supply 12v dc actuating voltage 248v resetting voltage 245v , load earth leakage circuit imd of solid state sensing type , static annunciation circuit with accept, reset and test facilities,rating 12v dc , 3 phase full wave controller , filter condenser , circuit for dc contactor , 2 pole 2 way no off cam type auto manual mode selector switch , 3 pole 2 way no off cam type boost equalising mode selector switch , 2 c o plug in type auxiliary relay with base for above lamp,240v ac , 2 c o plug in type auxiliary relay with base for remote alarm contact, rating 12v dc , auxiliary contactors for float boost mode selection with add on block , 4 pole 2 way ac rotary changeover selector switch for ac incoming for 220v 80a charger rating 150a , 4 pole 2 way ac rotary changeover selector switch for ac incoming for 220v 60a charger rating 100a ) /bid number: gem/2025/b/7026551 * /dated: 20-12-2025 & & / bid document1 / 21

Central Government And Public Sector

CTN :43127681

07 Jan, 2026 5.02 Lacs

Chamba - Himachal Pradesh

Tender For corrigendum : supply of spares for 02 nos float and boost chargers for 220 vdc and 48vdc battery bank at power house c c - 16a ammeter selector switch for main input current selection , 16a voltmeter selector switch for main input voltage selection , 10a tp ac 2 way without off auto or manual mode selection for float and boost chargers , 16a sp dc 2 way without off switch for float rectifier or load bus and boost rectifier or battery voltage selector switch , 16a sp ac 2 way without off auto c or o mode or manual boost mode selection for charger , 10a tp dc 2 way without off for boost charging of battery set 1 or 2 selection , 225a dc coil operated emergency contactor coil 220v dc auxi 1no , 185a dc coil operated contactor for boost charging battery set 1 coil 220v dc auxi 2 nc , 63a dp dc on or off switch for load isolation , 40a dc coil operated emergency contactor coil 48v dc auxi 1no , 65a dc coil operated contactor for boost charging battery set 1 coil 48v dc auxi 1 nc , filter capacitor for ripple suppression for float and boost chargers rating 100 v 2200 uf , dc to dc convertor 48v dc to 24 v dc 5 amps , 4 channel relay boards for contact multiplication of card mounted protection relays , electronic card module for avr and current limit for float charger auto and manual mode , electronic card module for avr and current limit for boost charger auto and manual mode , electronic card module for float and boost rectifier fuse fail and filter fuse fail , protection module for various fault detection and annunciation , blocking diode for float and boost charger rating 70a i avg piv 800 for fcb mode on k3 heat sink , 80 percent blocking diode stud type rating 70a i avg piv 800 on k3 heat sink , latching resistor for rectifier. 250 ohms 50 watts for float and boost chargers , 10k 1w potentiometer for auto or manual voltage adjust in float charger , 10k 1w potentiometer for auto or manual current adjust in boost charger , 2ph control transformer for power supply of avr cards prim 415 v sec 16 0 16 v ac 400ma , 3ph control transformer for synchronising of avr cards. pri 415 v sec 16 0 16 50ma , 3ph control transformer for ac u or v pri 415 v 3 phase sec 0 16 vac 1 phase 250 ma , 2 0fi control transformer for fan control supply prim 415 v 2 phase sec 190v ac 50va , scr stud type 70a with heatsink loose module only , diode free wheeling stud type 70a with heatsink loose module only , digital ac ammeter 48 x 96 sq mm class 1 ct ratio 25 or 1a auxiliary voltage 24v dc , digital ac voltmeter 48 x 96 sq. mm class 1 range 0 500v ac auxiliary voltage 24v dc , digital dc ammeter for float boost chargers and 80percentage cell tap 48 x 96 sq mm class 1 75mv dc with shunt auxiliary voltage 24v dc , digital dc voltmeter 48 x 96 sqmm class 1 range 75mv dc auxiliary voltage 24v dc , digital dc charge or discharge ammeter for battery 48 x 96 sq mm class 1 range 75mv with shunt auxi 24v dc , transportation charges for material

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