30KVA 3 phase autotransformer

30KVA 3 phase autotransformer

30KVA 3 phase autotransformer is manufactured and supplied by Shuogong Power, a leading Chinese transformer company.

Made of high-quality silicon steel sheet, copper wire and aluminum wire are optional.

Its main function is to step down, which can step down the input voltage to the usable range, for example, step down from 380V to 200V or 220V, step down from 600V to 240V, etc.

High quality 30KVA 3 phase autotransformer for sale at manufacturer’s price.

Shuogong Power is a factory with more than 10 years of experience in transformer manufacturing. We are committed to providing customers with comprehensive power solutions.

This 30KVA 3 phase autotransformer is a dry type transformer, mainly suitable for 50/60Hz AC circuits, with optional copper/aluminum windings, supports self-cooling/air cooling, and has open and sealed options.

Welcome to contact us for your exclusive three phase transformer price.


Model SOB-30KVA
Phase 3 Phase
Capacity 30 kVA
Input Voltage AC 380V
Input Current 46A
Output Voltage (Optional) AC 220V, 200V
Output Current 87A (220V), 79A (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 125 kg
Dimension 360*300*350 mm

30KVA 3 phase autotransformer price:

The retail price of a 30KVA transformer on the market is usually $3200-3500.

Here you will get exclusive preferential prices for transformer manufacturers.

Contact us now to get your 30KVA 3 phase transformer discounted price.


Three phase autotransformer can be used in CNC machine tools, SMT placement machines, printing machines, EDM machines, automatic plug-in machines, precision measuring equipment, laser cutting machines, injection molding machines, medical monitoring systems, PCB drilling machines, laboratories equipment, military instrumentation control center, etc.


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