Variable Auto Transformer / Variac / Dimmerstat Dealers

(164 products available)
  • Premium
    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 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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    Open Type Electric Single Phase Variac

    Open Type Electric Single Phase Variac

    10,000 / Piece

    • MOQ1 Piece
    • PhaseSingle Phase
    • Phase3
    • Frequency50 hz
    • SpecialityEasy To Use, High Efficiency
    • Power150 Amp
    • Voltage220 V
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  • Radiotone Single Phase Variable Autotransformer

    Radiotone Single Phase Variable Autotransformer

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    • ApplicationIndustrial
    • ConditionNew
    • FeatureTailor made to suite requirements, Designed for heavy duty continuous use
    • SPECIFICATIONSNo Load Current (NLC) Less than 2% of rated capacity Testing: as per B.I.S. 5142
    • Models2 A to 75 A
    • For ModelsAbove 40 Amp, We Use Side Wiping Contacts.
    • STANDARD RANGE :- 0.75 Amp, 0-270V 2 Amp to 100 Amp, 0-270V Single /Two/Three Phase Open Type /Enclosed Type Air/Oil Cooled. AC Motorised Version
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  • Variable Voltage Auto Transformer

    Variable Voltage Auto Transformer

    150,000 - 160,000 / Piece

    • Number Of FlowerVariable Voltage Auto Transformer
    • ConditionNew, Used
    • Output TypeAC Single Phase, AC Three Phase
    • Automatic GradeAutomatic, Fully Automatic
    • Warrenty1year, 2years
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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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  • Dimmerstat

    Dimmerstat

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    Magtel has very strong manufacturing facilities with well equipped machines & test instruments such as winding machines (CNC-programmable & manual), Electric Oven, Conveyer Oven, Varnish chamber, Air compressor, Power generator, Automatic transformer tester using fixtures, Power source, Power analyzer, Load bank, DVDF etc. Special Features of Magtel Magtel has a winding manufacturing facility ranging from 6mm toroid size to 120kVA transformer size (which includes ferrites and lamination version)! Magtel designs & accepts custom built design transformers which are Aluminum wirestrip based! Magtel has Toroid winding machine facilities and has successfully exported many chokes that are toroid based!
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  • Dimmer Stat

    Dimmer Stat

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    Specifications: input: 240v-270arn range: 4amp-100amp features: long working lifern precisely designedrn work on large current also additional information: item code: 100a.
  • 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 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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  • 3 PHASE OIL COOLED MOTORISED Variac

    3 PHASE OIL COOLED MOTORISED Variac

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    we are well known brand for manufacturing and supplying a wide range of 3 Phase Oil Cooled Motorised. The offered products are fabricated utilizing fine quality materials and advanced techniques. Utilized in a various application for Voltage correction needs in various electric power networks. We deal in 500 Amp Three Phase Oil Cooled motorized Variac available in a various model, size according to specification is given by clients. Before dispatching to the clients the offered Variac are tested on various parameters to ensure durability and best quality product. Apart from this, we can be availed from us at very reasonable prices. Key Features Easy to use Durability High performance High capacity Rugged construction
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  • Dimmer Stat

    Dimmer Stat

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    The dimming control of Inverter-cum-Dimmer and another system (DC-DC dimmer-stat) is done using potentiometers. The Lighting Control Panel (LCP) has two built-in DC-AC inverting modules and it also provides two dual dual-concentric pots so that it does not look crowded, and it is easy for the aircraft pilot to operate zone-wise control of the lighting systems in the cockpit.
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  • Variacs

    Variacs

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    • Country of Origin240V AC or 120V AC
    • Current RatingAir Cooled from 2 Amps to 600 Amps in 1PH, 2PH, 3PH Oil Cooled from 2 Amps to 2000 Amps in 1 PH, 2PH, 3PH No.
    • Efficiency & RegulationDesigned to produce less heat & low watt losses, thus achieves high efficiency and close Voltage regulation.
    • 1.Negligible maintenance
    • 2. Motorized transformers also available with gears
    • We are offering variacs. For indoor & outdoor applications with different current range varying from 2amp to 2000 amp (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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  • Variable Voltage Auto Transformer

    Variable Voltage Auto Transformer

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    • Operating VoltageFor Single Phase - 240 V AC, 50 - 60 Hz. 1
    • Operating Temp.0-450C
    • Unistat for continuously variable voltage auto-transformer (Variacs) it is most effective device for stepless, breakless & continuous control of AC voltage & thereof for various parameters, depended on AC voltage Unistat. The basic is meant for operation from a nominal input voltage of 240V AC & can give output voltage anywhere between 0 to 240V or 0 to 270V AC by simple transformer action. Three such connected electrically in star and mechanically in tandem, become suitable for operation from a nominal input Unistat Voltage of 415V 3Ph AC and can give output anywhere 0 to 415 V or 0 to 470 V.Resin moulded Unistat is basically a variable Auto - Transformer which is party or fully Molded in reniforced polyester resin. This has adjustable spindles which allows easy assembling of flush, table or Motorized Type in Single or three phase models. These models are designed upto 120% continuous load.
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  • Three Phase Variac

    Three Phase Variac

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    Three Phase Variac Excellent Regulation, No Wave Form Distortion, Low Operating Torque, Smooth & Linear Output, Low Magetizing Current. Negligible Maintenance.
  • Auto Variable Transformer

    Auto Variable Transformer

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    • Single phaseInput: 240V, 50/60Hz AC 1 ph. Output: 0-270V, 50/60Hz AC 1 ph.
    • Three phaseInput: 415V, 50/60Hz AC 3 ph. Output: 0-470V, 50/60Hz AC 3 ph
    • Excellent RegulationThe drop in voltage from “no load to full load” is minimal in Reguvolt Auto-transformers.
    • High EfficiencyCareful design and proper selection of copper and core assures the user of low watt loss, as compared to other type of controllers.
    • No Wave From DistortionReguvolt provides an output voltage wave-form, which is a faithful and distortion less replica of the input voltage wave form.
    • Silver Plated CommunatorA special silver plating technique is used on the commutator, enabling it to with stand high overloads & maintain constant contact drop. It is also ensures smooth operation, long life & increased resistance to corrosion.
    • Smooth & Linear OutputAs voltage between turns is small and as the brush-arm is in constant contact with more then one turn, harmful sparking is avoided and output voltage can be set very easily to fraction of a volt from zero onwards by rotation of the knob.
    • Low Magnetizing CurrentBy using an adequate section of high quality grain oriented silicon steel, the iron losses in Reguvolt, are controlled to the minimum. The no-load current in all Reguvolt transformers, is invariably less than 3% of the rated current.
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  • 6 Amps Dimmer Stat +4

    6 Amps Dimmer Stat

    1,800 / Piece

    • MOQ1 Piece(s)
    • EnclosureOpen Type
    • PhaseSingle Phase
    • Input Voltage230V
    • WindingToroidal
    • CoolingAir cooled
    • Current Capacity6 Amps
    • Brand NameMonarch Controls
    • Production Capacity1000 Units Per Month
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  • Variable Auto Transformers

    Variable Auto Transformers

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    • Operating Temprature0 Deg. To 50 Deg.C
    • HumidityUpto 95%RH
    • It is an most economical effective device for step less and continuous voltage control of Single Phase and 3 phase AC voltages for numerous applications for the industrial and Laboratories usages for testing and calibration purposes. energy efficient, noiseless and easy to operate with excellent short time over load capabilities,Compact in Size,Rugged Construction.Digitized operation and control and monitoring.
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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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  • Oil Cooled Variable Autotransformer

    Oil Cooled Variable Autotransformer

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    We specialize in the manufacture of high current rated coils. The commutator surface of our coils is machine processed and hence very uniform and smooth. This is very important for proper collection of current by the carbon brushes thus reducing the heat generated. Our standard coils are 100 Amp, 150 Amp, 200 Amp. Using these coils we manufacture oil-cooled variautos from 100 Amp 3 Ph to 1200 Amp 3 Ph capacity (415 V input and 0-470 V variable output). In high current rated models we use multiple coils with properly rated balancing coils to achieve the rated current. Based on the calculations of cooling area appropriate no. of radiators &fins  are used. These variautos are generally motorized with geared mechanism. We also cater to tailor-made requirements.
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  • Dimmerstat

    Dimmerstat

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    • Capecity6-10 Ltrs,15-20 ltrs,25-35ltrs,35-50ltrs
    • High speed emulsifier with 18 HP 5000 RPM ACDC motor control dimmerstat auto variac speed regulator. Cap.6-10 Ltrs,High speed emulsifier with 14 HP 5000 RPM ACDC motor and remote control dimmerstat auto variac speed regulator.Cap.15-20 ltrs.,High speed Emulsifier with 12 HP 6000 RPM ACDC motor and remote control dimmerstat auto variac speed regulator. Cap 25-35ltrs.High speed Emulsifier with 34 HP 8000 RPM ACDC motor and remote control dimmerstat auto variac speed regulator. Cap 35-50ltrs.High Speed emulsifier with 1 HP 10000 RPM ACDC motor and remote control dimmerstat auto variac a speed regulator. Cap. 40-60ltrs.
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  • Premium
    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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  • 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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  • 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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  • 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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  • 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
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  • Air Cooled Variable Autotransformer

    Air Cooled Variable Autotransformer

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    Single Phase High Current Air Cooled Variable Autotransformers each of 200A rating (Radiotone make) We specialize in the manufacturing of Single Phase High Current Air Cooled Variable Autotransformer (colloquially known as Variac) in 100A /200A /400A /600A /800A /1200A ratings. Three Phase units are built by using such three stacks & motorizing them on common shaft. This is a substitute for oil cooled units which are less preferred, for safety reasons, in many hazardous applications. Single Phase High Current Air Cooled Variable Autotransformers (colloquially known as Variac) are very easy to maintain & service. Enclosed units are also available.
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  • Variable Autotransformer 2

    Variable Autotransformer 2

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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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  • 3 Phase Variable Auto Transformer

    3 Phase Variable Auto Transformer

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    We are endowed with a state-of-the-art infrastructural facility which back us in manufacturing and supplying 3 Phase Variable Auto Transformer. We manufacture this transformer using high quality materials and components, sourced from authentic vendors. It is an energy saving electrical transformer which can convert the voltage as required. Available in different sizes and technical specifications, our 3 Phase Variable Auto Transformer is highly demanded in the market. We offer this transformer at cost effective prices to clients. Key Features: This transformer has strong mechanical strength and short-circuit withstand ability Has a single layer winding on a toroidal core of high grade steel Ideal for over and under voltage testing of electrical and electronic equipment Description: 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. The basic Continously Variable Voltage Auto Transformers is meant for operation from a nominal input voltage of 240 V I ph AC & can give output voltage anywhere between 0 to 240 v or 0 to 270V AC by simple transformer action. Three such Variable Voltage Auto Transformers 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. Rating Available: 4 Amps- 1600 Amps
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  • Dimmerstate

    Dimmerstate

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      Variable Auto Transformer will be having round Toroidal Core made from CRGO Lamination duly annealed to reduce the iron Losses and for the good regulation as voltage drop on load is low due to low resistance of conductor & low leakage flux of toroidal core. Toroidal core will provide stepless, beakless, smooth continuous control linearly proportional to angular rotation. Toroidal core is having high efficiency as no load and full load losses are very low and negligible wave from and power factor distortion due to simple transformer action and excellent short time overload capacity. As Toroidal core is having no sharp edge the breakage of insulation and copper wire can be prevented. the toroidal is wound from metal tape wound on to a mandrel under closely controlled tension, then annealed and treated to develop fully the required magnetic characteristic. It has low electrical resistively, no hysteresis loss, a completely linear B-H Curve and an infinitely high saturation points. this permits the easiest direction of magnetization to be utilized.    
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