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Variable AC Transformer

Variable AC Transformer
Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler

Preferred Buyer From

Location India ( Jharkhand)

We are widely acclaimed for offering a durable range of Variable AC Transformer, commonly known as Variacs. Our Variable AC Transformer is used to provide a voltage-adjustable source of AC electricity. The core of the Variable AC Transformer is made of high grade, non aging continuous CRGO strip and carefully annealed that results in low magnetizing current and core losses. The output is linear and Variable AC Transformer does not produce any distortion in the wave form. We have designed Variable AC Transformer to withstand heavy overloads of short durations such as starting currents of motors. We are proficient in offering Variable AC Transformer as per the details given by the clients.


  • Continuous, Step less and Break less voltage variation
  • Negligible waveform & Power factor distortion
  • Short time overload capacity
  • Remote operation possible


  • Load Capacities
    • 28 Amps to 600 Amps in Single and 28 Amps to 1000 Amps in Three .
    • (28 Amps, 40 Amps, 60 Amps, 100 Amps, 200 Amps, 400 Amps, 600 Amps, 800 Amps, 1000 Amps)
    • Phase: Single and Three Toroidal Coils with CRGO Steel sheet Core.
    • Frequency: 50/60 Hz.
    • Voltage Variation capability: 0 - 270 V A.C in Single and 0 -470 in Three *.
  • Cooling Method
    • AN for 28 Amps in Single and Three
    • Oil cooled for 40 Amps to 600 Amps in Single *
    • Oil cooled for 40 Amps to 1000 Amps in Three *
  • Drive Mechanism
    • Hand Driven with Knob.
    • Motor Operated with Step - Syn Motor.
    • Remote Motor Operated with Step - Syn Motor.
  • Compliance to test standards
    • IS 5142. Oil Conforming to IS 335.
    • Copper Conductor compliant to IS 13730 - 34.

Basic features and Enclosures

  • Open Type for Panel Mounting.
  • Portable Type for Table Mounting.
  • M.S Tank with Oil Immersed and Pressed steel radiators.
  • Double varnished Toroidal Coils.
  • Voltage indicator dial.
  • Knob or Wheel for Voltage Variation
  • Connector plate or Bus bars in cable box.
  • High quality carbon brushes.

Optional Features

  • Voltmeter & Ammeter for indication Indicator lamps
  • Push buttons for motor operated dimmer-Other specific customer requirement.

Note: We manufactures these transformers as per our customers requirement.


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