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6 Yrs
No. 9, Patel Industrial Estate, S. V. Road, Dahisar East
Mumbai, Maharashtra-400068, India+(91)-22-28488554
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Variable Voltage Auto Transformer

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We manufacture precision engineered Variable Voltage Auto Transformer that is incorporated with oil cooling mechanism. These variable voltage autotransformer are simple and provide a variable voltage output from the fixed input voltage.

These variable voltage autotransformer are effective in controlling A.C. Voltage such as:

  • A.C. current
  • D.C. voltage
  • Current intensity of heat and light
  • Speed of D.C. motors

Widely suitable for a wide range of current and voltage (240 V & 415 V) and 3 phase supply, these transformers confirm to IS 5142-1969 standards. Additionally, these transformers find its application for the places where smooth voltage is required.

We make use of high grade non aging continuous CRGO strip to manufacture the core of the transformer. These CARGO strips are carefully annealed to ensure low magnetizing current and core losses. Our core is known for its features such as producing the linear output and non-distortion nature in the wave form. These transformers can withstand short duration heavy overloads such as starting currents of motors. These transformers also give a continuous service in tropical areas.

Technical specifications:

1 Phase

1 Phase *

3 Phase


230 V

400 V 1 Phase

400 V 3 Phase



0-400/ 470V


40, 50, 60, 75, 100, 150, 200, 300, 400, 500 & 600 amps.


50/60 HZ

Insulation Class


Specifications types and models:

Input Voltage


240 V 1 PH

0 - 240/ 270 V

415 V 1 PH

0 - 415 /470 V

415 V 3 PH

0 - 415 /470 V


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