300KVA dry-type 3 phase autotransformer

300KVA dry-type 3 phase autotransformer

300KVA dry type 3 phase autotransformer is manufactured and supplied by Shuogong Power, a leading transformer company in China.

We are committed to providing power solutions for global customers, providing customized services such as OEM, let us be your transformer factory.

The main function of this 300KVA dry-type transformer is to step down, for example, step down the input voltage 480V to 240V output.

High quality 300KVA dry-type 3 phase autotransformer sold at manufacturer price.

Are you looking for a 300KVA dry type transformer with sufficient power and stable performance, Shuogong power supply can meet all your needs.

No matter what voltage you need, we can customize it, if you are interested, please do not hesitate to contact us quickly.

300KVA dry-type 3-phase autotransformer is available in two materials: copper wire and aluminum wire. Its maximum power is 300KVA, which can step down the input voltage to the usable range of output, for example, step down 380V to 200V/220V and step down 480V to 240V output.


Model SOB-300KVA
Phase 3 Phase
Capacity 300 kVA
Input Voltage(Optional) AC 380V
Output Voltage (Optional) AC 220V, 200V
Frequency 50Hz / 60Hz
Winding Material (Optional) Aluminum Wire, Copper Wire
Cooling Method Self-Cooling or Wind-Cooling
Working Efficiency ≥98%
Protection Grade IP21
Waveform Distortion No distortion (compared with output wave)
Insulation Resistance ≥ 150MΩ
Wiring Yn0
Electrical Strength Power frequency sinusoidal voltage 3000V lasts for 1 minute, no breakdown and flicker
Overload Protection Can withstand instantaneous 2 times the rated current
Moisture-Proof Type (Optional) Open type, sealed type
Ambient Temperature -20℃ ~ +45℃
Altitude ≤ 2500m
Relative Humidity 0-95%
Noise ≤35dB (within 1 meter)
Design Service Life 15 years
Use Environment No explosion, rain and snow corrosion place, and no gas and conductive dust in the medium that can corrode metal and damage insulation
Weight 800 kg
Dimension 900*450*900 mm

300KVA dry-type 3 phase autotransformer price:

The retail price of a 300KVA transformer on the market is usually $10000-10500.

Here you will get exclusive preferential prices for transformer manufacturers.

Contact us now to get your 300KVA three phase transformer discounted price.

The following are the prices of 300KVA 3 phase autotransformers sold by some e-commerce websites, for your reference only.

Items Price  Capacity Source
300 kVA dry-type 3 phase autotransformer price $10131.31 380V to 220V Amazon
300 kVA dry-type 3 phase autotransformer price $11123.24 400V to 240V ebay
300 kVA dry-type three phase autotransformer price $10322.11 380V to 220V other

Benefits of choosing a 300KVA transformer from Shuogong

Choosing a three phase transformer manufactured and supplied by Shuogong Power has the following advantages:

  • Made of high quality silicon steel sheet.
  • Optional copper wire or aluminum wire.
  • Available with or without housing.
  • Configure the scroll wheel.
  • Fast delivery.
  • 100% quality assurance.
  • Sufficient power never cut corners.


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