Variable Auto Transformer / Variac / Dimmerstat Dealers

(164 products available)
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    2kVA Motorized Variac Transformer

    2kVA Motorized Variac Transformer

    9,500 / Piece

    • MOQ1 Piece
    • Number Of FlowerMotorize Variac Transformer
    • Country of OriginIndia
    • Country of Origin220-420V
    • Power2kVA
    • Frequency50-60Hz
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    Variable Power Test Auto Transformer

    Variable Power Test Auto Transformer

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    • ApplicationIndustrial,Test Labs, Industrial Use,Stepping Up Or Stepping Down Voltage
    • PhaseThree Phase
    • Country of Origin415 V
    • MaterialCRGO
    • Output Voltage230-440 V
    • Frequency50-60 Hz
    • PowerAC
    • Packaging TypeCarton
    • Cooling TypeAir, Oil
    • Current2-300A
    • Mounting TypeFloor
    • Winding MaterialCopper
    • FunctionAdjusts Output Voltage
    • DesignSingle-winding Construction
    • CoolingOil-filled With Radiator Pipes
    • MobilityMounted On Heavy-duty Wheels
    • ControlManual Voltage Tap-changer
    • ConstructionRugged, Durable Tank
    • ConnectionHV Output Bushing
    • BrandTI
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    Auto Variable Transformers

    Auto Variable Transformers

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    • PhaseSingle Phase
    • Frequency50 - 60 Hz
    • Cooling TypeDry Type, Air Cooled
    • Current10 A
    • UsageIndustry
    • Operating Voltage0 - 230 Volts
    • STERCO product line includes variable transformers, the most versatile and reliable voltage controls available, Variable transformers have many industrial and laboratory applications as basic components to control voltage, current, power, heat, speed, light, and electromechanical force. A basic Variable Transformer consists of a single layer, magnet wire winding on a toroidal core of laminated silicon steel. A carbon brush, connected to an output lead, is rotated over a precision ground, plated commutator track 10 tap off voltage at any turn from zero to the maximum output voltage of the winding.   EFFICIENCY & DISTORTION LESS VOLTAGE CONTROLIn contrast to inefficient, wattage-burning resistive-type controllers such as rheostats, Stereo Variable Transformers have an extremely low power loss and efficiencies as high as 98%. Stereo Variable Transformers deliver any desired voltage (within the transformer rating) with negligible variation in output voltage from no-load to full-load current. It produce an accurate transfer of input wave to output circuit, providing distortion less voltage control (a requisite of many sophisticated electronic applications).PLATED COMMUTATOR SURFACEThe commutator surface of each coil is specially plated with precious metal, giving Stereo commutators longer life, increased resistance to corrosion and the capacity to withstand greater overloads (while maintaining a constant contact voltage drop).LONGER LIFE WITH NEGLIGIBLE MAINTENANCEPrecise design assembly of the brush provides excellent mechanical performance, long life, and low-driving torque. Brush replacement is seldom needed and it can be easily replaced, if required. Due to high safety margins of voltage, current-carrying capacity and dielectric strength, longer life of the unit can be expected.RUGGED MECHANICAL CONSTRUCTIONSterco Variable Transformers are precision built to exacting mechanical tolerances using the finest materials available. Quality assurance inspections are performed to insure that the high designed in quality is maintained throughout the manufacturing cycle. A Stereo Variable Transformer provides accurate, reliable and lasting voltage control for a broad variety of applications.
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  • Variable Autotransformer 1

    Variable Autotransformer 1

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    ‘M/s ARDISONS ASSOCIATES’, is a leading Variable Autotransformer manufacturer and supplier based in Punjab. We manufacture and supply world class variable auto transformer which has a movable carbon sliding on a silver plated commutator by either manual or by motor, give an output voltage from zero. The variable auto transformer provided by us confirms to IS/5142/69, IS/5142/69 standards. Features :- Rugged constructionHigh efficiencyExcellent regulationLow magnetizing currentNo wave form distortionLoad capacity Smooth and linear out putSilver plated commutatorLow operating torqueCarbon depositionsDouble wound auto
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  • Open Motorized Dimmer Variac

    Open Motorized Dimmer Variac

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    • PhaseSingle Phase
    • Country of Origin200-500
    • Cooling Typeoil,dry
    • Brand NameELDEE
    • Current250A
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  • Variable Autotransformer

    Variable Autotransformer

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    Variacs or variable auto transformer is a Continuously variable voltage transformer, having a single layer winding on a toroidal core of high grade Steel. In an autotransformer portions of the same winding act as both the primary and secondary winding. the winding has at least three taps where electrical connections are made. One end of the winding is usually connected in common to both the voltage source and the electrical load. The other end of the source and load are connected to taps along the winding. Different taps on the winding correspond to different voltages, measured from the common end.
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  • Variable Voltage Auto Transformer

    Variable Voltage Auto Transformer

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    Continously Variable Voltage Auto Transformer is the most effective device for stepless, breakless & continous control of AC voltage & therefore for various parameters, dependent on AC voltage. These Variable Voltage Auto Transformers, consists of a single layer winding on a toroidal silicon-steel core. As the control knob is rotated, a carbon brush traverses the winding, tapping off a portion of the total voltage across the winding. The brush is in continous contact with the winding. The discrete voltage increments obtained as the knob is rotated are always less than the voltage between turns. Since the brush spans more than one turn, the change in voltage is practically continuous. As output voltage is continously variable, Variable Voltage Auto Transformers are rated in terms of current that can be drawn from the output.
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  • Variac

    Variac

    1,000 - 100,000 / piece

    • MOQ1 piece
    • Brand NameSAIVOLT
    • ConditionNew
    • Power SourceElectric
    • ApplicationIndustrial, Testing Purpose
    • FeatureEasy To Maintain And Service, High-performance
    • Country of Origin220 V
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  • Constant Output Voltage Dimmerstat

    Constant Output Voltage Dimmerstat

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    Our packing system is systematized in such a manner that we can handle even bulk packaging with ease. Moreover, our packing experts take care of the customized as well as standard packing demands of the clients. With the aid of our smart logistics network, we can easily furnish quick and massive requirements of the buyers
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  • 15 Amps Dimmer Stat +4

    15 Amps Dimmer Stat

    3,250 / Piece

    • MOQ1 Piece(s)
    • EnclosureOpen Type
    • PhaseSingle Phase
    • Input Voltage230V
    • WindingToroidal
    • CoolingAir Cooled
    • Current Capacity15 Amps
    • Brand NameMonarch Controls
    • Production Capacity1000 Units Per Month
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  • Single Phase Variable Auto Transformer

    Single Phase Variable Auto Transformer

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    We are a well-established Single Phase Variable Auto Transformer Manufacturer and Supplier in Delhi, India. The Single phase Variable Auto Transformer, offered by us, is available in projection Mounting and Flush Mounting types. We utilize quality-tested materials to fabricate Single Phase Variable Auto Transformer. Our Single Phase Variable Auto Transformer series conforms to the requisite standards of quality. Buyers can get the Single Phase Variable Auto Transformers customized from us, as per their specific requirements. Highlights Single Phase Variable Auto Transformer takes the input from 240 V - 50 Hz AC line and the normal output can be varied from 0 - 270 Volt.Output of these Variable Auto Transformer at can be varied from 0 to 270 V input being 240 V - 50 Hz AC.Ganged Assemblies of 3 coils, connected in star are available for 3 phase supply. Contact arm of these coils are connected to common shaft.
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    1 Phase Variable Auto Transformer

    1 Phase Variable Auto Transformer

    2,625 / Piece

    • MOQ1 Piece
    • Brand NameCrown
    • CertificationISO 9001:2008
    • Number Of FlowerAC Transformer
    • Frequency50Hz
    • PhaseSingle Phase
    • Country of OriginIndia
    • Input Voltage240V AC
    • MaterialCopper
    • FinishingPolished
    • Driven TypeElectric
    • Winding MaterialCopper
    • ShapeRectangle
    • Power10 KW,540 Watt
    • Cooling TypeAir Cooled
    • Operating TypeManual
    • SpecialityRobust Construction, Easy To Use, High Efficiency, Reliable
    • UsageIndustrial, Commercial, Electricity Distribution,Industrial
    • Voltage220 V,240V
    • Packaging TypeWooden Box
    • HardnessStrong
    • Mounting TypeGround Mounted
    • Output Voltage0-270VAC
    • Efficiency100%
    • Warranty1 Year
    • Current2Amp
    • EnclosureWith Enclosure
    • Corrosion ResistanceYes
    • Energy Efficiency LevelHigh
    • Max Ambient Air Temperature55°c
    • Current2Amp
    • Cooling TypeAir Cooled
    • Output Voltage0- 270VAC
    • Body ColorGREY
    • Working Temperature40
    • 2AMP 1-PHASE VARIABLE AUTO TRANSFORMER (VARIAC) - INPUT - 240V AC, 50Hz OUTPUT - 0 - 270V AC TYPE - AIR-COOLED Range - 2Amp
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  • Auto Transformers or Auto DIMMERSTAT

    Auto Transformers or Auto DIMMERSTAT

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    We are manufacturer and exporter of continuously variable Auto Transformers, Variacs and Dimmer stat which operates on a nominal voltage of 240 V A.C & can give output voltage anywhere between 0 – 270 V, by a simple transformer action. The basic Auto Transformer is meant for operation off a nominal voltage of 240 V A.C & can give output voltage anywhere between 0 – 240 V or up to 270 V, by a simple transformer action. Three such Variable Auto transformer when connected electrically in star & mechanically in tandem, became suitable for operations of 415 V 3 Phase A.C. supply & to give output of 0 – 415 V or up to 470 V. Variacs or variable auto transformer is a continuously variable voltage transformer, having a single layer winding on a toroidal core of high grade Steel. In an autotransformer portions of the same winding act as both the primary and secondary winding. the winding has at least three taps where electrical connections are made. One end of the winding is usually connected in common to both the voltage source and the electrical load. The other end of the source and load are connected to taps along the winding. Different taps on the winding correspond to different voltages, measured from the common end. On one face of the copped winding, along the periphery, a special durable contact surface is made. A specially designed carbon brush slides smoothly on the surface. A contact arm holding the contact brush is fitted to the central shaft and as the control knob is rotated, the carbon brush slides over the winding and taps off a portion of voltage across the winding. Any desired voltage within the maximum range can be obtained by adjusting the position of the brush. The calibrated dial reads approximately the output voltage at no-load, when the input is at its rated value. Rotation of the brush arm by manual of motor drive delivers an output voltage from zero to or above line voltage. Variable Auto Transformer, manufactured by EnergX is the most useful and effective device for step less, break less and continuous control of A.C voltage and therefore, for control of various other parameters, dependent on A.C voltage. It is ideal controlling device for numerous applications in laboratories and in industrial & commercial fields.
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  • Variable Auto Transformer

    Variable Auto Transformer

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    • Brand NameHCS
    • Coil NumberAutotransformer
    • Packaging DetailsPacked with corrugated box and then wooden crate if required by client.
    • Supply Ability5000 Piece/Pieces per Week
    • Coil StructureToroidal
    • Place of OriginDelhi, India
    • High quality variac or dimmerCopper wound
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  • Motorised Variac

    Motorised Variac

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    • Pure Copper:99.9%
    • Spare carbon Brushes:HighUp to 28 Amp
    • Range Rating:4 Amp. To 1200 Amp
    • Rating:4 Amp To 1200 Amp
    • Capacity:4 to 1200 Amp
    • Operating Voltage:240 Volt Ac in Single
    • Phase system:415 Volt Ac in Three Phase system
    • Output Voltage (Variable):0 Volt-270 Volt in Single Phase System
    • System:0 Volt-to 470 Volt in Three phase
    • Operating Temperature:0-45 C
    • Load losses:5 to 7 % at full Load
    • Ours is an eminent organization, engaged in manufacturing & supplying Motorised Variac. Applicable in auditoriums, conference halls, rectifiers, hotels, testing instruments, welding equipment, battery chargers and laboratories, these transformers are widely appreciated. Without making any sort of compromise with the quality of the products, we have mustered huge client-base across the globe. Some of the salients features of"COSMO" Autotransformers are. » Continuously Varable output voltage » Silver plated track of carbon brush » High grade carbon brush » Easy replacement of carbon brush » Extremely low magnetising current (about 25 of rated load) » Mechanically rugged design » Almost no maintenance required » Capacities upto 40 amps in air cooled version » conforming to IS:5142-1969
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  • Enclosed Variable Autotransformer

    Enclosed Variable Autotransformer

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    Radiotone Three Phase Enclosed Variable Autotransformer (colloquially known as Variac) models are generally used in laboratories, educational institutions, test benches for testing various industrial equipment. They can be provided with MCB, indicators and switch gear as required. Radiotone Three Phase Variable Autotransformer open construction models from 2A to 60A can be enclosed and freely movable trolley can be provided. Output voltages can be tailor-made as required.
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    Dimmerstat/ Variac / Continuously Variable Voltage Auto Transformer +1

    Dimmerstat/ Variac / Continuously Variable Voltage Auto Transformer

    1,000 - 3,000,000 / Nos

    • MOQ1 Piece(s)
    • Brand NameAEL
    • ConditionNew
    • Frequency50hz
    • Country of OriginIndia
    • Warrenty1yr
    • Dimmerstat is registered trademark of AE for continuously variable voltage auto-transformer. It is the most effective device for step less, break less & continuous control of AC voltage & therefore for various parameters, dependent on AC voltage.The basic Dimmerstat is meant for operation from a nominal input voltage of 240V AC & can give output voltage anywhere between 0 to 240V or 0 to 270VAC by simple transformer action. Three such Dimmerstat connected electrically in star and mechanically in tandem, become suitable for operation from a nominal input voltage of 415V 3Ph AC and can give output anywhere between 0 to 415V or 0 to 470V.Resin moulded Dimmerstat is basically a variable Voltage Auto-Transformer which is partly or fully Moulded in Reinforced Polyester Resin. This has adjustable spindles which allow easy assembling of flush, table or Motorized Type in single or three phase models. These models are designed up to 120% continuous load.Features Simple, rugged construction. Coils made from high grade CRGO Silicon Steel & 99.9% pure Electrolytic copper. Output voltage variation is smooth, continuous, break less & linearly proportional to angular rotation. High efficiency. Negligible waveform & power factor distortion. Excellent short time overloads capacity. Remote operation possible by motorization. Wide range of current ratings. High quality carbon brush used for current collection.
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  • 1 Phase Variable Auto Transformer

    1 Phase Variable Auto Transformer

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    We have technically qualified and efficient workforce, who helps us in manufacturing and supplying a quality range of 1 Phase Variable Auto Transformer. This transformer is used in fields like voltage regulating, temperature controlling and speed adjusting. We manufacture this transformer using premium quality materials and components. We check this 1 Phase Variable Auto Transformer on performance and efficiency parameters to provide a defect free range to clients. Key Features: This transformer is light in weight, sturdy in nature and easy to install The transformer is provided with short circuit protection and has wide input range This transformer is suitable to use in household appliance and lighting system
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  • Single Phase Radiotone Air Cooled Variable Autotransformer

    Single Phase Radiotone Air Cooled Variable Autotransformer

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    • FeatureEasy to maintain & service,Preferred for safety reasons over oil cooled
    • ApplicationIndustrial
    • ConditionNew
    • Total Carbohydrate1 Year
    • Models100A /200A /400A /600A /800A /1200A Input/output is provided on tinned copper bus bar.
    • Plkace of OriginIndia
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  • Auto Variable Transformers

    Auto Variable Transformers

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    • System Connections 
    • StarInput Voltage
    •  415V 3 Phase
    • Output Voltage 
    • 0 - 470V 3 Phase (Continuously Variable)Power Factor
    •  0.75 Lead to 0.75 Lag
    • Di-electric Strength 
    • 2.5KV for 60 secInsulation Resistance
    •  Better than 100Mega Ohms
    • Construction Standards 
    • As per IS 5142Type of Execution
    •  Closed Type
    • Operating Temperature 
    • 0° C to 45° CType of cooling
    •  Natural air / Oil cooled
    • Type of control 
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  • Variable Auto Transformer

    Variable Auto Transformer

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     We are instrumental in offering the finest quality of Variable Auto Transformers at nominal rates on the market. Being the leading manufacturers and suppliers of Variable Auto Transformers, we process the Variable Auto Transformers using cutting-edge technology and latest machinery. The Variable Auto Transformers are quality-tested, and can be purchased in various specifications. The major selling point of the Variable Auto Transformers is that they have a sturdy construction, and made up of Crgo Core, Copper, and Alloy. Not only are these Variable Auto Transformers easy to install, and durable, they promise noise-free operation and low maintenance cost. The Variable Auto Transformers can be availed at Rs. 40,000/piece, and we are based in Delhi, India.   Build : Sturdy, durable Installation Process : easy, hassle-free, convenient Material : Crgo Core, Copper, Aloy Durability : Highly durable, damage-resistant   Features : Easy to install Low maintenance needs Durable Noise-free operation
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  • Variable Auto Transformer

    Variable Auto Transformer

    350,000 / Piece

    • MOQ1 Piece
    • Number Of FlowerVariable Autotransformer
    • ApplicationIndustrial, Testing Purpose
    • FeatureEasy To Maintain And Service, High-performance, Preferred For Safety Reasons Over Oil Cooled
    • Country of Origin470
    • ConditionNew
    • FinishingColor Coated, Polished
    • Power SourceElectric
    • PhaseThree Phase
    • Total Carbohydrate2 Yrs
    • Country of OriginIndia
    • Voltage Ratings415V
    • Current Rating600 Amps
    • Efficiency & RegulationDesigned to produce less heat & low watt losses, thus achieves high efficiency and close Voltage regulation.
    • FeaturesLong Life, Negligible maintenance, No wave form distortion
    • We are offering transformer developed variable voltage auto transformers and are a leading indian manufacturer of auto transformers. Our auto transformer are suitable for indoor & outdoor applications with different current range varying from 2a to 2000a(both in air & oil cooled). We have supplied these transformers to various industries are doing well with repeat orders from our customers.
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  • Variacs +2

    Variacs

    2,400 - 35,000 / Piece

    • MOQ2 Piece
    • ConditionNew
    • ApplicationIndustrial
    • Variac dimmer available of all kind from 4 amp to 300 amp enclosed open 3 phase 2 phase everything contact us for more information :- , price can be negotiated
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  • Variable Auto Transformer

    Variable Auto Transformer

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    The variable autotransformer that we offer to our clients are manufactured under the constant surveillance of our team of experts using technologically advanced methodologies. Our team of engineers designs this power transformer as per the specifications provided by the clients. These transformers are capable of accepting energy at a particular voltage and then transferring it at other voltage. This further allows the usage of the equipment at a safe voltage.
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  • Variable Auto Transformer +1

    Variable Auto Transformer

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    • MOQ100 Piece
    • ApplicationIndustrial
    • Country of Origin220 V
    • FinishingColor Coated
    • Power SourceElectric
    • Total Carbohydrate1 Yr
    • Brand NameServovolt
    • ManufacturerBharat Industries Company
    • Our product range includes Single Phase Variac, 3 phase oil cooled Radiator type, Roller carbon brush Variac, 3 phase oil cooled, AC-DC Control pane1,1-cuawp type variable transformer, Double layer winding variac, Toroid Transformer, custom made variac    Features Can enhance the output voltage in excess of twice the input voltage Any desired voltage within the maximum range can be obtained by adjusting the carbon brush Calibrated dial show approximately output voltage at no load The contact arm can be moved both manually and by motor Delivers an output voltage from 0 to above line voltage Constructed with 99.9% pure copper High grade CRGO steel is used for constructing coils Low temperature rise Wide assortment of current rating 4 Amp. To 1200 Amp Spare carbon brushes provided up to 28 Amp High quality carbon brush Step-less voltage control Short time overload capacity Maintenance cost   Application Auditorium, hotels, conference hall, laboratories etc. Servo stabilizer, rectifiers, battery charger Welding equipments Testing instruments College & universities
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  • Auto Variable Transformer

    Auto Variable Transformer

    100,000 / Piece

    • PhaseSingle
    • Brand NameTushara
    • Current1A to 600A
    • Input Voltage415 V
    • Output Voltage220 V
    • Cooling TypeDry Type/Air Cooled
    • Working Temperature-20 to 45 Deg Cel
    • Frequency50 Hz
    ...more
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    Variable Voltage Auto Transformer +1

    Variable Voltage Auto Transformer

    100,000 - 500,000 / Piece

    • MOQ1 Set
    • Number Of FlowerVariable Voltage Auto Transformer
    • CertificationISO 9001:2008 Certified
    • ConditionNew
    • Output TypeAC Three Phase
    • Frequency50hz
    • Automatic GradeAutomatic
    • Cooling SystemOil Cooling
    • Warrenty2years
    • Country of OriginIndia
    • Phase3
    • 0- 33 kv5000 kva
    • The variable voltage regulator makes variable voltage supplies from 0-11 kv or any desired voltage upto 5000 kva. These variable voltage supplies are used for special purpose applications and testing. principle of operation : the variable voltage supply regulator consist of following basic components depending on the rating of the equipment. Step up transformerbuck boost transformerrolling contact type voltage regulatorautomatic control gear the variable voltage regulator comes with variable voltage supply regulator with constant input and variable output. It consists of a step up transformer, regulators and buck boost transformer. This circuit is normally used to vary on load voltage when the regulator used in conjunction with buckboost transformer and step up transformer. the equipment is available with following control devices : manual version motorized version remote control in manual version a hand wheel t handle is provided and desired output voltage can be obtained by rotating the wheel handle manually.in case of motorized version and servo motor will be provided which can be operated by two sets of push buttons or toggle switch for raising and lowering the output voltage. In case of remote control arrangement, one extra set of push buttons will be provided in your main panel from where the operator would be able to maintain the desired voltage with the help of those push buttons. description : rolling contact regulator : this is essential a continuously tapped auto wound transformer having helical coils mounted on a conventional laminated transformer core. However, the regulating winding is designed as a single layer type giving longer and slimmer version of the transformer coil but in principal it is the same. the regulating winding is varnished and baked to improve rigidity and ensure that the construction is non-hydroscopic. After proper treatment longitudinaltrack is ground on the coil to form a bared copper surface with the winding wire-covering providing inter turn insulation. Graphite rollers, assembled on carrier boards, traverse throughout the length of the coil track. These rollers are connected electrically with the output terminals and as they are driven over the track, a variable voltage is obtained. the regulator may be of one sided or can be made double sided. In case of double sided regulator both side of regulating winding is bared and allows rollers to be driven in opposite direction on either side of the coil. In such cases carrier boards are provided on both sided of the coils and the output terminals will be taken out though balancing transformer. the contact carrier is driven by a hand wheel t handle or motor, which is coupled, to the chain drive. Limit switches operated by the carrier board are fitted to prevent over run. In case of your specific requirement, additional limit switches will be fitted for minimum position inter-locking along with the auxiliary circuit. The power supply of the motor is derived from the regulator unless otherwise specified. The entire regulator assembly is housed inside a rigid m.s.tank filled with oil. The hand wheel t handle, motor push buttons etc. Is fixed up inside a separate sheet steel box, which is attached to the main tank. Wherever automatic control is required, the solid stat voltage-sensing relay is also provided inside a sheet steel box fitted along with the regulator tank. for voltage regulating units, the equipment consists of regulator and transformer as explained earlier. The description of the regulator has been already described above. The step up and buck boost transformer will be of conventional type as per is:1180 or is:2026 in voltage regulating un
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  • T-Clamps variac

    T-Clamps variac

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    Owing to the vast manufacturing and supplying facility and a team of hardworking professional, we are offering a wide and comprehensive range of T-Clamp (Servo Type). These T-Clamps variac is manufactured using fine quality raw materials and latest advanced techniques. Available in various sizes, dimension and specification are given by our clients. The products are tested on various parameters to meet Indian standards. Our offered Range T-Clamp is widely appreciated by our esteemed clients. Additionally, we offer this T-Clamp servo type at very nominal rates. Key Features Simple use High quality Compact design Easy to motorized Cost effective
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  • Variable Voltage Auto Transformer

    Variable Voltage Auto Transformer

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    • EFFICIENCY & REGULATION :2 Amps to 100 Amps
    • VOLTAGE RATINGS :240V AC or 120V AC
    • PION manufactures wide range of Variable Voltage Auto Transformer (Variac) suitable for indoor & outdoor applications with wide current range from 2A to 500A both in Air & Oil Cooled. PION has supplied thousands of these Variable Voltage Auto Transformer (Variac) to various industries in India. Quality of PION Variable Voltage Auto Transformer (Variac) are well patronized with repeat orders from our customers. The plant is well equipped with most modern machinery & Test Equipments to conduct tests as per IS: 5142.
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