Latest generator protection relay Tenders | Government generator protection relay Tenders

corporations/Associations/Others

CTN :40555819

11 Jun, 2025 NA

Dhanbad - Jharkhand

Tender For supply of 250ma for mhs, maithon, dvc , potentiometer for manual voltage adjustment 10k ohm_3w for phps, panchet, dvc , potentiometer for manual voltage adjustment 10k ohm_3w for mhs, maithon, dvc , sync. transformer for scr controller unit for 150a float-cum-boost charger, 0-270- 300v_80-0-80v, 100ma for phps, panchet, dvc , sync. transformer for scr controller unit for 150a float-cum- boost charger, 0-270-300v_80-0-80v, 100ma for mhs, maithon, dvc , filter capacitor, 4700 micro farad_ 350 volt dc for phps, panchet, dvc , filter capacitor, 4700 micro farad_ 350 volt dc for mhs, maithon, dvc , blocking diode for battery charger for phps, panchet, dvc , blocking diode for battery charger for mhs, maithon, dvc , ac supply fail relay card static type 415v ac for phps, panchet, dvc , ac supply fail relay card static type 415v ac for mhs, maithon, dvc , semiconductor protection fuse, high speed, 200a for phps, panchet, dvc , semiconductor protection fuse, high speed, 200a for mhs, maithon, dvc , thyristor 150a, 1200v _h150tb12 for phps, panchet, dvc , thyristor 150a, 1200v _ h150tb12 for mhs, maithon, dvc , battery protection fuse _200 a hrc type for phps, panchet, dvc , battery protection fuse _200 a hrc type for mhs, maithon, dvc , dc voltmeter selector switch _16a, 1pole, 4 way spa3116d for phps, panchet, dvc , dc voltmeter selector switch _16a, 1pole, 4 way spa3116d for mhs, maithon, dvc , integrated dc sensing module consisting of circuit - ch. failure, dcu_ovr, befr, fbcor, sfr, auto equalise for phps, panchet, dvc , integrated dc sensing module consisting of circuit - ch. failure, dcu_ovr, befr, fbcor, sfr, auto equalise for mhs, maithon, dvc , dc power supply for idsr card _static type, 24 v and 12 v dc for 150a float cum boost charger _make_ chloride for phps, panchet, dvc , dc power supply for idsr card _static type, 24 v and 12 v dc for 150a float cum boost charger _make_ chloride for mhs, maithon, dvc

CTN :40540975

20 Jun, 2025 NA

Ranga Reddy-T - Telangana

Tender For supply of electronics component and equipment - resistor 1 k ohm , resistor 1 point 5 k ohm , resistor 10 k ohm , resistor 10 k variable , resistor 100 k ohm , resistor 100 k variable , resistor 120 k ohm , resistor 150 ohm 1 by 4 watt , resistor 1e 5w fuseable resistor , resistor 2 k ohm , resistor 2 point 2 k ohm , resistor 22 k ohm 1 by 4 w , resistor 220 ohm 2w , resistor 220 ohm 3 w , resistor 33 k ohm , resistor 330 ohm 2w , resistor 330 ohm 3w , resistor 4 point 7 k ohm , resistor 47 ohm 3 w , resistor 5 k ohm variable , resistor 6 point 8 k ohm , resistor 680 ohm resistance , resistor ntc 103 10k , coil for antenna copper , capacitor 0 point 1 uf104 , capacitor 0 point 47 uf , capacitor 10 k fader volume fader , capacitor 10 uf 16v , capacitor 10 uf 250v , capacitor 10 uf 25v , capacitor 100v 47 uf , capacitor 105j500v , capacitor 10v 100 uf , capacitor 1uf 63 v , capacitor 2 point 2 uf 50v , capacitor 220 pf , capacitor 220 uf 25v , capacitor 222 ceramic , capacitor 25 v 100 uf , capacitor 2a104j , capacitor 471 ceramic , capacitor 50v 3 point 3 uf , capacitor 25 v 2200 uf , diode 1004 , diode 4007 , diode in 4742 , zener diode 6v , zener diode 9v , rectifier circuit 2a , transistor bc 548 , transistor 2n2222 , transistor bc 547 , transistor bt 136 , transistor lm 317t , transistor ttc5200 , ic 4558 , ic 555 , ic d2030 audio amp , ic lm 385 , mosfet fhp100n07 , mosfet irfz 44n , crocodile clip 42 point 5 mm , crocodile connector 5x20mm , female mono connector p-38 , male mono connector mx-6 point 35mm, p38 , electronic spices 3 pin xh jst wire connector 2 point 5mm pitch male and female pair , 5 amp fuse glass fuse 5x20mm , heat sink for fet-mosfet 15mm to-220 , screw bulb holder for standard b22 bulb , 12v bike horn 115 db , led all color 10mm , led driver circuit board, row, 10 a 12 v strip driver , led strip 240 leds , leds 4mm multi colour , ring magnet with hole 40x19x6mm , mic 9x7 mm , mic condenser em 9767 , 9 v dc motor esp 9v dc dyno motor 16000 rpm , multimeter lead , m3 m4 m5 ss 202 grade full threaded hex bolt nuts and washer , 2 pin plug 5 amp , 3 pin plug 5 amp , 10 k potentiometer , 100 k potentiometer , 5 k potentiometer , 50 k potentiometer , u2k8 bridge rectifier , 5 v relay , relay 12 v , relay 9 volt , nylon rope 2mm thickness , c 106 mg scr , ldr sensor hw-072 , rain sensor mh-rd , socket 16mm 3 pin plug connector male female panel , 100 w speaker , speaker 8 ohm , on off switch 5 amp , push button 4 pin 5 amp , tele phone beetel g-10 , 9-0-9 v transforme stepdown , transformer 12-0-12 2 amps , transformer 12v 5a 250vac to 12 v , 5 v usb cable , copper coated wire 185wg 7mm , enamelled copper wire 27 gauge oblique 0 point 41mm , mobile stereo audio cable asc100 3.5mm , wire aluminium core red and black , hookup wire single strand wire roll for pcb 23awg gauge green 92 meter , box 200 x 155 x 80 cm pvc , metal cabinet box 350mm x250mm x 100m , 1 point 5 volt battery aa , 3 point 7 v battery li-ion bty , 9 v battery , 9 v battery connector cap , ac bulb 220 volt 3 watt b22 , 10 mm piezzo buzzer , 3 v active buzzer , 5 v buzzer , mono cable female 6 point 35mm , injection syringe 10 ml , general purpose pcb7 point 5x5 cm , acrylic plate 1x1 ft 2mm , high quality 12 v smps , transmitter and receiver circuit for digital comm rp 2040 lora , microcontroller circuit board arduino uno r4 , mp3 audio amplifer with sd card tpa 3116d2 xh-m 12 to 24 v , power module 5v lm 2596 , power speaker 8 watt , vinyl sticker design and sticker printing for circuit printing , switches dpdt 20amp , connecting cables 10 pin 10 mtr , dc to dc convertor buck converter 10-40v , project box metal cabinet box 350mm x 250mm x 100mm , 4 point 7 volt rechargable bty 2000 mah , on-off switch ptt , mp 3 player df player hw-247a , bty charger circuit xlt-m603

CTN :38198601

09 Jun, 2025 2.43 Crore

Uttara Kannada - Karnataka

Tender For corrigendum : tender for supply of sea water flow switch , mcb dp 25 a , mcb dp 2a , mcb dp 6a , mcb dp 20a , mcb dp 2a , mcb tp 6a , mcb tp 10a , mcb tp 20a , mcb tp 40a , mcb tp 25a , mccb 200-250a , mccb-630a , mccb 25a-nom 25a 1auxcont 1 trip alrm therm20-25a magnet225a , power contactor mnx 80 , power contactor mnx 95 , add on aux block for mno relay 4 no , add on aux contact mno 2 no 2nc 240 vac , add on aux block for mno relay 4nc contact , power contactor mnx 45 , ct 400 1a 5va , ct 750-5a 5va , a1d1 x on delay timer , mccb 100a tp with 1 aux with shunt trip plug in type , mccb 160a tp with 1 aux with shunt trip , mccb 320a tp with 1 aux with sunt trip plug in type , digital output module , analog input module , serial communication module , signal conditioner , digital input module , 32 channel di pcb , 4ch analog i-p cc link , modbus master ethernet , vme processor , 19 panel pc , 2430 mm red-maintained 1 c-o pb , st to lc multimode patch cord 3 mtr , incom sys 8 watt water tight horn loudspeaker pan 9613 , 2 way water tight switch , 32a fuse , shaft rpm meter , thermocouple k type0-600 deg c-duplex , keyboard , fiber optic cable 10m st connector , 16a 2pole mcb , 25a 2pole mcb , 6a 2pole mcb , 10a 2pole mcb , dimmer emergency supply 24vdc 200dc-gr , magnetic sonde 108010ng004 , towing light yellow , 16a fuse , exhaust fan size 80x80x25 mm , proximity switch 0-25000 rpm , pressure transmitter 0-10 bar-emp 2 , pressure transmitter 0-24 bar-mbs 33m , 2 core 1 5 sq mm fire proof cable , multi core 1 5 sq.mm. fire proof cable , 2x2x0 75 frls cable , buzzer , pitch angle meter , pt 100 0-100oc-2.128mtrmm , thermocouple k type 0-800 deg c simplex , gyro fuse t 10a 250v , gyro fuse t 1a 250v , em log fuse 6 a catridge , selector switch 8position 8pole 16a , control switch non spring return 2pos 8 pole 16a , fuse base for 4-10 amp , voltage up-down selector switch , frequency up-down selector switch , manual auto semi auto selector switch 3p 16a , delayed timer , ct 800-1a 5va , ct 600-1a 5va , ct 250-1a75va , indication lamp white filament , mcb 4a 2 pole current rating 2a-24 vdc , mcb 6a 2 pole current rating 6a24 vdc , synchronizing relay , on delay timer eapl , battery module 24vdc 12 ah , a1d1 wb on delayed timer 415v , star delta timer , power terminals-suitable upto 4 sq.mm wire , governor control switch non spring return 2no contact , dc acos , terminal 05 -2 5 sqmm , power supply quint-dc-ups-24dc-5a , supply monitoring relay 415v ac 1co , frequency meter 45-50-55hz , push buttton flush head red 240vac , push button flush head green 240vac , b1dca-xcyclic timer , simq insulation nonitoring relay , 415vac , 1co , sim-qaux supply 415v ac insulation monitoring relay , voltmeter 0-500v , hour meter 90-264vac , double frequency meter 45-50-55hz , ct 250 1a 5va , fuse link 1 apm with base , mcb 25a 3 pole , paralleling relay 415vac 1no , interposing relay 240vac , led green 230v , indication led lamp amber 240v ac , indicating lamp red led 240vac , 6 slot rack , propulsion control pcb dio , ammeter 0-1600a , kilowatt meter wq , 0-800kw , reverse power rellay rmp-121d 415v , ammeter 0-3500a , kilowatt meter , 225-0-1950kw , power factor meter-moving coil 0.5-1-0.5 , ppu insulation monitoing relay , 415vac , 5a , ct 3500a-1a 15va , ct 2700-5a 5va , ct 1200-1a 15va cl 1 ct , ct 900-5a 5va cl 1ct , kilowatt meter 175-0-650kw , ammeter 0-800a , ct 800-1a 2.5va , ammeter 0-1200a , mn contactor relay 40 e 415v ac , indication lamp , mcb tp 63a , mccb 630a tp with 1 aux with sunt trip , rectifier unit , 2x18w fluorescent tube light , optical smoke detector head sv ip44d conduit box , flame detector ir head ms60if-m ip56 , synchronoscope-input415vac size 96x96 with gasket , vga splitter , electrical operating mechanism-dn2 mccb , power contactor mnx 80 , control card gxt mt lb 3000 va , power supply unit142630 , optical smoke detector head exi ip44d sv , em log analog interface card , mcb 2 pole 4a type c 10ka , 240v acamber indic

CTN :39430591

13 Jun, 2025 NA

Uttara Kannada - Karnataka

Tender For corrigendum : procurement of main switch board spares - tender for supply of indicating lamp -colour red , input voltage 240v ac , 50hz , led , sea water pressure switch , dc mcb 4a , dc mcb 10a , 100a mccb , mccb 20a , mccb 80a , mccb 160a , relay 240 vac mno 2no 2nc contact , mccb for msb 400 amps , hcos , 380v , 3phase , 50 hz , 300a , cpu with 28 step memory , cc link for master slave , 32 channel do , connector for rtd card , 4 channel ao module , 32 channel di , 24x30 mm yellow indicator , 24x30mm green-momentary 1 c o pb , side hydrobar 0.4 bar 2m cable , automatic emergency lantern , 24v dc buzzer , hrc fuse base & carrier with 32a fuse link , em log microcontroller card , mccb 400a-3p with aux contacts , mcb 2 pole 4a type c 10 ka , 415-240v , 750va control transformer , mccb dm100 25a , indication lamp red , 415v , synchroscope , power terminals cstsn4 , undervoltage relay uvtd1 3 phase , insulation monitoring relay t3200-00 , under-over current relay ccsd2 1phase , minitec , a1d1 wb on delay timer , mn0 aux.contactor 4no with 240v ac coil , rs232 to rs422-485 isoloated converter , motor protection relay , microprocessor based , mn 2 - 24 a to 32 a overload relay , mn 2 - 13 a to 19 a overload relay , 125a hcos , ethernet switch 8 port , type rs30-08020606edhe , fiber sfp module , vme backplane , incom sys 4 watt water tight horn loudspeaker pan 9601 , aldis lamp , 20a hrc fuse base and carrier with 10a fuse link , mast head light white , side light red , side light green , anchor light white , lamp 220v-65w , 16a switches 21066 , 6-16a socket 30828 , eot- push button type tx-rx , eot-push button type tx-rx , eot-rotary switch type receiver , led lamp green 12v dc , 50a , 1 way mcb , 2p , 24 v dc fan with filter module , rtd to current converter-dat 4631b , proximity switch 0-150 rpm , 2 core 1.5 sq.mm. fire proof cable , multi core 1.5 sq.mm. fire proof cable , magnetic float switch-tds , magnetic float switch-tilt , thermocouple k type 0-600 deg c simplex , frequency to current-voltage converter , pressure transmitter 0-2.5 bar mbs 33 m , pressure transmitter 0-6 bar-emp 2 , pressure trasmitter 0-6 bar-mbs 33m , pressure switch 0-24 bar-mbc 5100 , pressure switch 0-40 bar-mbc 5100 , differential pressure transmitter 0-2.5 , differential pressure transmitter 0-3.2 , differential pressure transmitter 0-4 b , exide battery 42ah , 12v , fan with filter , control panel , lon-network no mudules , detector loop module 1 loop 127 units rmax-50 m 140ma , panel alarm output module , 4x24vdc-1a sounders , control output module , 8xopen collector no , max 100ma , modbus com.module , slave rs422-485 , serial output interface card , rs-232-422 or 485 , multi sensor head , smoke-heat , sv , multi sensor head , smoke-heat , ip44d conduit box , battery fastening strap , pt 100 0-100oc-150mm , pt 100 0-120oc-400mm , toothed belt disk , toothed belt disk 6 , power factor-3ph , 3 wire , 1element415vac , size 96x96 , transformer 415-230v , 500va , 50hz , mcb 10a tp , mcb 16a tp , mcb 40a tp , mcb 50a tp , mcb 63a tp , hcos 50a with out enclosure , keyboard , processor , propulsion control pcb unio , display , flot level switch , changeover switch co3-250 , mccb , 3p , dl-100 , 16a , mccb , 3p , dl-100 , 25a , mccb , 3p , dl-100 , 40a , lamp 415v , led , green , control transformer , 415-230v , 100va

CTN :40540968

21 Jun, 2025 NA

Mumbai - Maharashtra

Tender For supply of flexible hose , pilot lamp red xb7ev04bpn , memory card 6es79548le030aa0 , backpane for plc 6es75901ab600aa0 , ai module 6e575317kf000ab0 , front connector 6es75921amoo0xb0 , di module , plate door interlock , terminal shroud , terminal block 283901 , terminal block 281901 , terminal block 280519 , terminal block 20023201 , multipin connector ms3102r2214s , multipin connector ms3106f2214p , panel light mtl2835150 , door limit switch 3se5122oya003se5000ae01 , terminal fuse with indication 281611281541 24v dc , fuse glass , teflon tape , vent valve , spacer seal housing , o ring 3912 , filter drier replacement core , bearing spacer , relay , shaft seal sea water pump , thrust bearing kit , gear set 64 33 xjf151n , valve 43 way , flex metal hose 113 , sea water pressure switch typ , oil temperature relay , delivery pressure gauge , thermostat rt 11 , flow switch , safety high and low pressure cutout , load break switch & fus , inset for valve with ratchet , auxiliary switch , auxiliary switchover , switch , auxiliary contactor block 2s 2o 1sov 1oov , auxiliary switch , starter , air contactor , motor protector , attachment adaptor , air contactor , safety relieve switch , measuring transducer 24vdc , fuse 500v , fuse 500v , fuse insert , fuse 500v , oil protection control diff pres cntr with bntime de swi , timing relay , timing relay , relay , transformer , sight glass set , fuse switch , fuse switch , fuse switch , freeze protection thermostat , switch , thermoregulating valve , nipple with coupling , press key , pilot lamp , pilot lamp , selector switch , expansion valve unit , pilot lamp , pilot lamp , selector switch key , lamp holder , pilot lamt white , slide valve indicating mechanism microprocessor , lock nut , o ring kit , pilot tube fitting , bleed valves , co2 cylinder interconnection pilot hoses , co2 cylinder head valves , main control panel , mimic panel , junction box type 1 , junction box type 2 , poddcv 25mm , mannual lever box assembly , zonal valve cabinet , push button epbs , pilot release cabinet , time delay unit , ss 304 tubing , capacity control solenoid valves tag nosv1 & sv2 , motor starter , fourpoint contact ball bearing , motor starter , thermometer , shaft seal chilled water pump , motor starter , crank shaft , valve plate set , bearing cap , bearing cap , shaft seal end bearing , seal lip , crankcase heater , schrader connection , oil pump complete , set of gaskets , shaft seal complete , solenoid valve oil return line , defrosting control sensor , discharge line thermometer 0120 c , fuse socket nh00 , contact auxiliary1no+1nc , contactor3p 440 vac 50 amp , spring compression , pin dowel , pin spring , key square 12x12x312 , valve check , spring compression , rotor pair , retainer check valve , spacer outboard bearing , spacer inboard bearing , shim , ring retaining , spring compression , bearing cylindrical roller , bearing cylindrical roller , bearing cylindrical roller , bearing cylindrical roller , slydring , pin dowel special , rod indicator , locknut , locknut , cover slide stop , plug pipe1214 nptf w375 orifice , plug 1827 nptf w062 orifice , bearing angular contact ball , cover cylinder , seal gas , retainer check valve , stop slide , assembly rotor casing , housingseal , o ring & gasket kit , kit for shaft packing , switch isolator63 amp , motor protection , lamp 24vdc white , push button 1 noblue , relay 4co 24vdc , switch selector 230 vac2 amp , programmable logic control , thermister relay , selector switch key , relay insulation 24240 acdc 1no , power supply ip380vacop24vdc 10 amp , temp converter , signal isolator 1 in 1 out , mcb 2 polec curve 6 amp , mcb 2 pole c curve 10 amp , mcb 2 pole c curve 02 amp , mcb 3 pole c curve 02 amp , mcb 1 pole c curve 04 amp , mcb 2 pole c curve 04 amp , lamp 24vdc green , relay base , relay 4co 110v ac , power indicator ip420 m a , handle rotary , contact block , transformer 380115vac630va , hmi , din connector wnptf connectio

CTN :40522491

19 Jun, 2025 NA

Darjeeling - West Bengal

Tender For supply of relay module

CTN :40507638

11 Jun, 2025 NA

Mumbai - Maharashtra

Tender For supply of masibus spares - 67.41.11.019.5 - hardened 4 eth bkp masibus bmexbp0400h , 67.41.11.020.5 - hardened12 eth bkp masibus bmexbp1200h , 67.41.11.011.5 - isol 24 to 48 vdc masibus bmxcps3020 , 67.41.11.012.5 - c m580 cpu masibus bmeh582040c , 67.41.11.013.5 - m580 eth module masibus bmenoc0301c , 67.41.11.014.5 - x80 eio adapter masibus bmecra31210c , 67.41.11.015.5 - h dig 32i sink masibus bmxddi3202kh , 67.41.11.016.5 - c dig 32q source masibus bmxddo3202kc , 67.41.11.017.5 - ana 8 u i in isol masibus bmxami0810h , 67.41.11.018.5 - h ana 8 current masibus bmxamo0802h , 67.41.11.008.5 - fcn 2x20 wire masibus bmxfcw303 , 67.41.11.009.5 - cable di do card kht rgc plc masibus , 67.41.11.010.5 - 1 ch barrier masibus kfd2 stc5 ex1 , 67.41.11.021.5 - signal splitter masibus kfd2 stc5 ex1.20 , 67.41.11.022.5 - dc relay module kht rgc plc masibus , 67.41.11.001.5 - field interface ao kht rgc plc masibus , 67.41.11.002.5 - field interface ai kht rgc plc masibus , 67.41.11.003.5 - gateway modbus kht rgc plc masibus , 67.41.11.004.5 - 24 vdc supply 20a masibus ndr 480 24 , 67.41.11.005.5 - 24 vdc supply 10a masibus ndr 240 24 , 67.41.11.006.5 - 24 vdc diode oring masibus dr rdn20 , 67.41.11.007.5 - 10 inch hmi masibus hmiet6500

CTN :40508265

10 Jun, 2025 NA

Mumbai - Maharashtra

Tender For supply of crfq no 1000436334 gt spares protection relay - 67.81.47.871.5 - ge micom p343 generator relay , 67.81.47.872.5 - ge micom p142 feeder relay , 67.81.47.873.5 - ge micom p643 differential relay , 67.81.47.874.5 - ge micom p391 generator ref module , 67.81.47.875.5 - ge micom mvaam21 , 67.81.47.876.5 - ge micom mvaam 11 , 67.81.47.877.5 - ge micom mvaxm 31 , 67.81.47.878.5 - ge micom mvaj205la0804a

CTN :39402519

05 Jun, 2025 NA

Netanar - Chhattisgarh

Tender For corrigendum : supply of spare relay interface module sms pkg 06 sp 41 - rly board relay in 4 24v chan volt item no 01 , rly board relay i 24v cha volt item no 02 , rly board relay in 8 24v chan volt item no 03 , rly board relay in 24 chan volt item no 04 , rly board relay in 8 230 chan volt item no 05

CTN :40478557

16 Jun, 2025 NA

Hyderabad-T - Telangana

Tender For supply of trg aggregates for tech trg of offrs - video capture card , oled display module , 2 core wires , fastners , nuts and bolts, 6mm and 8mm , micro hdmi to hdmi cable , soldering lead , 18650 batteries , 2000 mah 4s lipo , 3d printed fpv camera mount , 3d pront mount for gopro camera , 5 inch hd propellers , 5.8 ghz vtx antenna , akk infinite dvr 1w video transmitter vtx , aluminium hexapod frame 25cm x 20cm , raspberry pi 4, 8gb with cooper heatsink and cooling fan , basic electronic components resistors, capacitors , caddx ratel camera , camera hd , custom built 2000 mah 4s li-ion long endurance battery , custom built droping mechanism , dc to dc buck module 5v 2a , echine ev 800d goggles , elrs receiver , esp32 microcontroller board receiver side alert purpose , gopro camera 11 , heavy duty siren , hitech d625 mw servo , hota t6 smart charger , impulse rc apex evo 55 inch frame , kamakazi activation circuit , li-ion battery pack 12v , lithium polimer battery 11.1v 2200ma , m10 gps , metal robot base 250mm x 160 mm , microcontroller board arduino mega 2560 , motor driver 10a h-bridge , motor l type clamps , network router , otg receiver dual antenna , planetary gear motors 30 rpm high torque , radio master pocket , raspberry pi power booster circuit , relay driver board , sd card 64gb class 10 , servo cable 3 core , servo clamps for camera mounting , servo driver boards , servo driver circuit board , servo horn , servo motor 9.6 kg torque , servo motors tower pro mg 958 , speedybee f4 stack , usb camera , usb external antenna , wheels 100mm diameter , wireless transmitter and receiver 2.4 ghz , xing 2207, 2750 kv motors , servo motor metal horns , ir sensors d18 model , 10k resistor , 32gb micro sd card class 10 , 3d printing components , 4 pin push button , 5v 3a power supply , b3 charger , capacitor 10uf, 25v , dc-dc buck module xl4015 , connecting wires jumper cables , li-po battery charge , male header pin , mg995 servo motor 180 degree , raspberry pi-5 8gb , raspberry pi5 power adapter , servo motor mg90, 180 , single standed wire set , usb key board , usb mouse , zero pcb 6x4 , gps modules gps tracking system

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