Latest rectifier machine Tenders | Government rectifier machine Tenders

CTN :45543406

29 Jun, 2026 7.00 Lacs

Gorakhpur - Uttar Pradesh

Tender For supply of coil 5 ohm , resistance coil 10 ohm , reversing key , sonometer with weight , spherometer 1 mm pitch , viscosity apparatus , youngs modulus , vernier callipers ime type , metallic sphere with hook , zener diode characteristics apparatus , pn junction diode chartersics apparatus , transistor characterstics apparatus pnp and npn , study of logic gate apparatus , friction board apparatus , thermometer 220 f , fraction weight box , plier taparia , screw driver set multipurpose , transformer step up and step down , led 2 watt , inclined plane , milli ammeter , milli voltmeter , ohms law apparatus , retort stand with clamp and bose head , helical sprinf slinky , split cork , travelling microscope , spirit level small , overflow cane , one way key , two way key , four way key , jockey , constantan wire , magnesium wire , watch glass 3 inch , watch glass 2 inch , hanger with weight 50 gm , newton colour disc , spirit lamp , tornedo working model , archmedies principle working model , hand generator working model , solenoid engine working model , electric mlotor working model , magnetic induction working model , domestic circuit parallel working model , domestic circuit series working model , battery eliminator 2 amp , magnetic compass medium size , wire cutter stripper cutter , dry cell charger , rehostat 50 ohm , rehostat 100 ohm , telescope , battery 6 volt , 9 volt dry cell , battery 12 volt , galvanometer , voltmeter , ammeter , dc copper connection wire roll insulated , nicrome wire , simple torch , laser torch red , laser torch green , laboratory stop watch 60 sec timer , white screen for image formation , plane mirror mounted on wooden block 10 x 15 cm , compass magnet small , iron filling , thread roll , geomerical instrument box , paper pin box , thumb pin box , lens cleaner fluid , multimeter digital , ebonite rod , glass rod 20 to 25 cm , test tube , test tube stand , solar system model , soldering iron , solder flux , soder wire resin 100gm , paper tape , plain stickers or label pkt , electric apparatus chart , prism refraction chart , eye defect and correction chart , inertia of 3d body , reflection of convex mirror on different position , reflection of concave mirror on different position , human eye chart , symbols of components used in circuit diagram , flaming left and right hand rule , sound wave refraction and compression , carbon resistance band reading chart , dry cell part chart , solar system chart , albert einstein portrait , prafulla chandra roy portrait , chandrasekhara venkata raman portrait , homi jehangir bhabha portrait , jagadish chandra bose portrait , dr apj abdul kalam portrait , sir issac newton portrait , ammonium chloride 500 gm chemical , copper sulphate 500 gm chemical , zinc sulphate 500 gm chemical , zinc rod , spirit solution for spirit lamp 1 ltr , first aid kit , sitting stools , cupboard or almirah shelf , lab open rack

Central Government/Public Sector

CTN :45540396

04 Jul, 2026 NA

Kamrup - Assam

Tender For provn of step down transformer for dedicated electric supply from apdcl feeder alongwith allied work services for 5 afsb under ge (af) borjhar.

CTN :45557243

25 Jun, 2026 NA

Hisar - Haryana

Tender For supply of volts ac 3 phase 4 wire system with builtin amf panel sound proof canopy and foundation etc as per oem recommendations , sitc of 11 kv 630 amps outdoor type 5 way rmu ring main unit comprising of 02 nos load break switches and 03 nos 630 amp vcbs complete as per oem recommendations , sitc of 400 kva cap 11 kv and 433 v ac 3 phase 50 hz outdoor type step down transformer double copper wound oil immersed onan vector group dyn 11 and conforming to eel - 3 as per is - 1180 part - i , m and l for construction of platform for transformer galvanised chain link fencing 1 mtr wide pcc along the fencing 1 mtr wide steel gate gravels danger notice plate all as per description , m and l for earthing with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick including galvanized iron earth strip 25 x 4 mm complete , sitc of lt panel out door type cpri approved out door type with 01 no incoming 630 amp acb and 2 no 630 amp outgoing mccbs complete all as per description , supply laying and testing of 11 kv ht xlpe insulated screened pvc bedded armoured electric power cable with aluminium conductor of sizes 3 core 95 sqmm complete all as per description , s and f heat shrink type outdoor termination cable jointing kit for 11 kv 3 core xlpe armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as per description , s and f heat shrink type indoor termination cable jointing kit for 11 kv 3 core xlpe armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as per description , supply laying and testing 1100 volts grade xlpe insulated and pvc sheathed armoured multistrand aluminium conductors cable of size single core 630 sqmm complete all as per description , boring of hole under road or pavement or hard standing suitable for passing of gi or dwc pipe upto 150 mm bore and making good complete all as per description , s and f gi pipe 100mm bore steel tube light grade with all fittings complete all as per description , excavation in trenches not exc 1.5 m wide and not exc 1.5 m in depth for laying of cable etc and getting out in soft or loose soil complete all as per description , m and l for sand cushioning 230 mm thickness with dry sand and punned down to 180 mm in trenches for protection of cable complete all as per description , m and l for brick covering to underground electric cable using sub class b bricks complete all as per description , supplying and laying un - reinfoced precast concrete cable cover of class hv type 1 with flat size 300 x 180 x 40 mm complete all as per description , m and l for returning filling in approved excavated soil including spreading levelling and well ramming in layers n.exc 25 cm thick complete all as specified and directed , m and l for removing surplus soil to a distance not exceeding 50 m and depositing at a level not exceeding 1.5 m above the starting point complete all as specified and directed , supply and fixing in vertical position pre stressed concrete pole conforming to is -1678 of 11 mtr long 152 mm x 152 mm at top and 152 mm x 260 mm at bottom class 9 complete all as per description , m and l for cross arms bracings supports clamps eye hook and back plates fabricated from structural steel sections complete all as per description , sitc gang operated air break switch mounted on insulators ht 11kv 200 amps rating triple pole fifteen insulator suitable for vertical mounting complete all as per description , m and l for lightning arresters expulsion type complete with all fittings transmission class discharge capacity 65 kilo amps 11000 volts complete all as specified and directed , m and l for pcc 1 ratio 4 ratio 8 type d - 2 //bid details 2 / 28 using 40 mm graded stone aggregate in mass concrete and filling complete for foundation complete all as specified and directed

CTN :45541202

23 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of tanche - lab equipments for eee and ece department - purchase - lab equipments for eee department electronics lab, single phase to single phase cyclo converter kit single-phase bridge cycloconverter power devices: scr/triac based input supply: 230 v ac, 50 hz step-down isolation transformer 230 v / 12 v output: 12 15 v ac, frequency: 0 25 hz (adjustable),firing angle control circuit and frequency control circuit to be provided built-in resistive load, terminals to be brought on ms panel with necessary symbols and circuits, pwm based step down dc chopper using mosfet/igbt kitpwm based step-down dc chopper (buck converter) power device : power mosfet / igbt based switching circuit input supply : 24 v dc to 110 v dc or derived from 230 v ac mains through rectifier unit output voltage :(0 to vin) variable dc output current : up to 5 a dc maximum with suitable load resistor (r load) pwm duty cycle control provided pwm generation and control circuit inbuilt gate driver circuit provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kittype : single phase pwm inverter trainer power device : mosfet / igbt based inverter circuit input supply : 12 24 v dc output voltage : 30 v rms ac output phase : single phase output frequency : 0 50 hz variable output power : 100 w single pulse pwm operation sinusoidal pwm (spwm) operation variable frequency control pwm generation and firing control circuit inbuilt gate driver circuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kittype : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status, speed control of ac motor using vfd drive module with ac motortype : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz output : three phase variable voltage and variable frequency ac output 1 hpthree phase squirrel cage induction motor415 v ac 50 hz &1440 rpm control technique : pwm / spwm based control frequency range : 0 50 hz variable digital display for frequency and operating parameters start / stop and forward / reverse control, acceleration and deceleration control facility powder coated ms control panel tabletop / floor mounted laboratory type setup clearly labelled circuit diagram and control switches proper insulated terminals and earthing arrangement, purchase - lab equipments for eee department electrical machines lab, three phase transformertype: three phase transformer, rating: 3 kva input voltage: 415 v ac, 3-phase, output voltage: 230 v ac, 3-phase frequency: 50 hz winding material: copper wound insulation class: class b or higher duty: continuous duty suitable for laboratory usebench/floor, dc stepper motor drive kit with stepper motorinput supply : 230 v ac, 50 hz stepper motor : permanent magnet / hybrid type with suitable driver circuits. motor operating voltage : 12 24 v dc variable speed control forward and reverse direction control full step and half step operation manual / automatic pulse generation facility built-in regulated dc power supply led indication for phase sequence and status test points provided for waveform observation start / stop control switches to be provided overload and short circuit protection to be provided mounted on compact powder coated cabinet with printed circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection., dc servo motor drive kit with servo motorinput supply : 230 v ac, 50 hz servo motor type : dc servo motor with feedback arrangement motor operating voltage : 12 24 v dc controller type : microcontroller based servo drive contr

CTN :45521220

24 Jun, 2026 50.0 Thousand

Thanjavur - Tamil Nadu

Tender For supply of ece lab items - lab items, eliminator transformer (step down), decade resistance box, decade inductance box, decade capacitance box, single phase induction motor, auto transformer, sim reader ttrainer kit

CTN :45519337

24 Jun, 2026 NA

Uthangarai - Tamil Nadu

Tender For supply of lab equipments for eee - list of equipments, three phase synchronous motor with electrical workbench (for specifications refer nit), dc shunt motor coupled three phase alternator with electrical work bench (for specifications refer nit), synchronizing panel (for specifications refer nit), three phase transformer (for specifications refer nit), 3 phase auto transformer starter (for specifications refer nit), dc servo motor drive kit with servo motor (for specifications refer nit), three phase squirrel cage induction motor with electrical workbench (for specifications refer nit), single phase induction motor with load arrangement 5hp ,230v, 1400 rpm (for specifications refer nit), single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kit (for specifications refer nit), single phase to single phase cyclo converter kit (for specifications refer nit), pwm based step down dc chopper using mosfet/igbt kit (for specifications refer nit), performance of ultrasonic and moisture sensors (for specifications refer nit), on / off control of lamp using solid state relay kit (for specifications refer nit), linear variable differential transformer measurement trainer (for specifications refer nit), 3 floor lift interfacing model (for specifications refer nit)

Central Government/Public Sector

CTN :45384656

20 Jun, 2026 31.96 Lacs

Pune - Maharashtra

Tender For corrigendum : provision of additional transformer alongwith associated items at af stn pune under ge (af)lohegaon - s & f steel tubular swaged poles complete with cast iron plate, finial taper plug, bolt, nuts & screws as specified type 410 sp-55 (11 mtr long) including one coat of red oxide primer and two coats of aluminium paint and making 30 cm wide strips (total -05 nos) with yellow and black paint alternately on external surface above column/pcc benching including numbering with black paint and painting with bitumenous paint internally and externally for portion embedded complete all as specified and directed., s & f air break gang operated switch with 12 nos insulators outdoor type, triple pole, mechanically operated, suitable for vertical installation, single break, provided with locking arrangement consisting of ms chanel ht post type insulator copper alloy, high pressure assembly drop out fuses operating rod of 20 mm dia gi pipe (medium grade) for operating from 1.2 m above gl complete including drop out fuses conforming to is-9921 part-i to v (1982 to 1985) of 1972 rated voltage 11 kv and for current rating 200 amp all as specified, material and labour for lightning arresters nominal discharge current peak 65 ka rating, suitable for operation on ht 11000 volts system, comprising of zinc oxide disks, electrodes, fibre re-in forced composite structure, non tracking weather resistant shedded heat shrinked polymeric housing for withstanding from the effects of pollution, rain, heat and with moisture seal , stainless steel bolts and nuts, stainless steel end fitting cups and fixing arrangements complete all as specified and as directed., m&l for cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections i.e m.s. channel or angle sections etc. including new nuts, bolts, washers as reqd dia/length in size, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive one primer coat of red oxide, one under coat and one finishing coat of aluminium paint (1st quality ) as reqd complete as specified., m & l for cement concrete 1:3:6 type c1 (using 20 mm graded aggregate) as lean concrete for coping of pole, stay foundation etc including form work & finishing the surfaces even & smooth with out using extra cement complete all as specified, material and labour for cement concrete 1:2:4, type b-2 (using 40 mm graded stone aggregate) as lean concrete for road finishing even and fair without using extra cement complete all as specified and as directed., supply, laying & testing cable xlpe insulated, screened, pvc bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm., s&f of cable end jointing kit 95 sqmm, 3 core xlpe 11kv ht cable cold shrinkable outdoor type, incl carrying out 5kv megger test after jointing complete all as specified and directed by engr-in-charge., s&f of cable end jointing kit 95 sqmm, 3 core xlpe 11kv ht cable cold shrinkable indoor type, incl carrying out 5kv megger test after jointing ,complete all as specified and directed by engr-in-charge., supply, laying & testing cable xlpe insulated, screened, pvc bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 1100 volts grade, of size 3.5 core 400 sq mm including aluminium lugs, cable glands ,complete all as specified and directed by engr-in-charge., supply, laying & testing industral pvc frls insulated single core flexible cable, electric power cables (heavy duty) with stranded copper conductor, 1100 volts grade, of size single core 185 sq mm, including copper cable lugs, cable glands ,complete all as specified and directed by engr-in-charge., supply and install, testing and commisioning of outdoor transformer as per is : 1180 part-i, level-ii step down, c

corporations/Associations/Others

CTN :45508546

30 Jun, 2026 NA

Kolkata - West Bengal

Tender For auction sale of transit mixer,75 mt crawler mounted crane with boom,welding rectifier machines,compression testing machine,miscellaneous scrap items

CTN :45476989

18 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For procurement and installation of eee lab equipments - procurement and installation of eee lab equipments, dc series motor with starting and loading arrangement with electrical work bench motor rating: 5 hp , 220 v , 1500 rpm, loading arrangement : mechanical rope with aluminum loading with adjustable wheels - 2 no s 0-50 kg spring balance - 2 no s workbench: with back side lock 1. 2 point starter 2. ammeter ( 0 - 30a) dc 3. voltmeter ( 0- 300v) dc 4. rheostat - 1 no., single phase transformer step dwon, single phase, 2kva , 230/115 v , 4a / 8a, 3 phase transformer step down three phase, 2kva, 440/220v., transformer oil bdv test kit single phase, 230v, output voltage 60kv with timer, acidity test kit single phase, ac 230v,50hz, astm d974, rating scale, ,color chart, required, test tunes & solutions, three phase auto transformer three phase variac, 415 / (0-470)v, 15a, linear variable differential transformer measurement trainer input voltage : 230 v ac / 50 hz lcd display, digital voltmeterlvdt stroke length : 25mm potentiometer includedoperating temperature :10 c to 50 c, dso bandwidth: 50 mhz channels: 2 (dual trace)sampling rate: 1 gsa/s time base & voltage controls: variable display: color lcdprobes: 2 nos supplied interface: usb

CTN :45435023

16 Jun, 2026 NA

Perambalur - Tamil Nadu

Tender For supply of lab equipments for eee dept - eee dept lab equipments, single phase transformer, loading rheostat i phase, linear variable differential transformermeasurement trainer, single phase to single phase cycle converter kit, pwm based step down dc chopper usingmosfet/igbt kit, single phase single pulse/sinusoidal pwm inverter using mosfet/igbt kit, on / off control of lamp using solid state relay kit

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