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    Picture of 30 kVA Three Phase Autotransformer, 415V to 220V/200V
    Picture of 30 kVA Three Phase Autotransformer, 415V to 220V/200V
    Picture of 30 kVA Three Phase Autotransformer, 415V to 220V/200V
    Picture of 30 kVA Three Phase Autotransformer, 415V to 220V/200V

    30 kVA Three Phase Autotransformer, 415V to 220V/200V

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    SKU: PH-T-ASG30KVA
    $3,152.31
    ● 30 kVA three-phase autotransformer for reliable industrial voltage conversion. ● Standard configuration: 380V to 220V/200V, with multiple voltage options supported. ● 415V to 220V/200V step-down configuration, suitable for industrial power systems. ● Dry-type autotransformer design is safe and easy to maintain. ● 50/60 Hz AC frequency is compatible with global power networks. ● Copper or aluminum winding is selectable for flexible cost and performance options.
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    Overview

    Our 30 kVA three-phase autotransformer is designed to deliver stable three-phase voltage conversion in industrial power applications. The transformer supports a 415V to 220V/200V step-down configuration, while the standard model operates at 380V to 220V/200V, making it adaptable to different regional power standards. With a dry-type structure and electromagnetic induction principle, this industrial autotransformer ensures dependable performance, efficient power transmission, and simplified maintenance. It is commonly used as a three-phase voltage converter for electrical equipment, automation systems, and power distribution installations. It is widely used in manufacturing equipment, electrical control panels, and power distribution systems where reliable voltage conversion is required.

    30 kVA three-phase autotransformer feature

    Feature

    • H-Class Enameled Wire Coils: The coils are wound with H-class insulated enameled wire in a precise, skip-free pattern that guarantees structural consistency and electrical integrity across the full load range. 
    • Silicon Steel Sheet Core: The built-in silicon steel sheet core provides superior magnetic flux characteristics, a high heat dissipation coefficient, and low magnetic loss.
    • Electrophoresis-Treated Clamps: The clamps are finished using electrophoresis technology, producing smooth, burr-free surfaces with rounded corners that resist both physical impact and corrosion. 
    • Tinned Copper Tube Terminals & Rail-Type Wiring Ports: Tinned copper tube terminals paired with rail-type wiring ports make electrical installation straightforward and secure.
     

    Details

    1. Voltage Display Table
    2. Starting Indicator Light
    3. Wheel
    4. Handle
    5. Cooling Fan
    1 kVA three-phase autotransformer details

    30 kVA Three-phase Autotransformer Schematic Wiring Diagram

    Three-phase autotransformer schematic wiring diagram

    Specs
    Phase 3-Phase
    Capacity 30 kVA
    Input Voltage AC 380V
    Input Current 46A
    Output Voltage (Optional) AC 120V, 190V, 200V, 220V, 230V, 240V, 380V, 400V, 415V, 480V
    Output Current 87A (220V); 79A (200V)
    Frequency 50/60 Hz
    Winding Material (Optional) Aluminum Wire / Copper Wire
    Cooling Method Self-cooling / Wind-cooling
    Working Efficiency ā‰„98%
    Protection Grade IP21
    Waveform Distortion No distortion (compared with the output wave)
    Insulation Resistance ā‰„150MĪ©
    Wiring Yn0
    Electrical Strength Power frequency sinusoidal voltage 3000V lasts for 1 minute, no breakdown or flicker
    Overload Protection Can withstand instantaneous 2 times the rated current
    Moisture-proof Type (Optional) Open Type / Sealed Type
    Ambient Temperature -20ā„ƒ ~ +45ā„ƒ
    Altitude ā‰¤ 2500m
    Relative Humidity 0-95%
    Noise ā‰¤35dB (within 1 meter)
    Design Service Life 20 years
    Use Environment No explosion, rain, or snow corrosion place, and no gas or conductive dust in the medium that can corrode metal and damage insulation
    Dimension 550Ɨ500Ɨ600 (mm)
    Weight 130 kg
    Application
    Three phase autotransformer for cnc equipment

    CNC Equipment

    Three phase autotransformer for precision instruments

    Precision Instruments

    Three phase autotransformer for medical devices

    Medical Devices

    Three phase autotransformer for automation equipment

    Automation Equipment

    FAQ

    Q1: What are the standard and customizable voltage configurations for this 3-phase autotransformer?

    The standard configuration steps down three phase 380V input to a 220V or 200V output, compatible with both 50Hz and 60Hz AC systems. Multiple voltage configurations are supported, making this 30 kVA three-phase autotransformer adaptable to diverse international power supply requirements beyond the standard step-down setup.

    Q2: What winding and cooling options does this 30 kVA autotransformer offer?

    Buyers can choose between copper or aluminum wire windings depending on conductivity and cost preferences, and select either self-cooling or wind-cooled thermal management to suit the operating environment. This level of configurability makes the 30 kVA dry-type autotransformer a practical, tailored solution for a broad range of industrial and commercial step-down voltage conversion applications.

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