Shopping cart Close

You have no items in your shopping cart.

All Categories
    Menu Close
    Search store Close
    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

    0 review(s) | Add your review
    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.
    *
    *
    *
    šŸšš Free shipping
    ā±ļø Delivery: 6-12 days
    šŸ”™ 30-day Returns
    Related products

    1 kVA Three Phase Autotransformer, 120V to 240V/220V

    ● 1 kVA rated capacity three-phase autotransformer for industrial voltage conversion. ● Steps down input voltage from from 380V to 220V or 200V (standard); other output voltages customizable. ● Input current 1.5A; output current 2.6A (220V) / 2.8A (200V). ● Compatible with 50Hz and 60Hz AC circuits. ● Dry-type construction — primary and secondary windings insulated separately. ● Compact and lightweight; suitable for panel mounting in industrial enclosures.
    $873.69

    5 kVA Three Phase Autotransformer, 480V to 240V/230V

    ● 5 kVA three-phase step-up & down autotransformer for industrial voltage conversion. ● 480V to 240V/230V step-down configuration, suitable for international power systems. ● Standard configuration: 380V to 220V/200V, multiple voltage options available. ● Dry-type electromagnetic induction design, stable and efficient performance. ● 50/60 Hz frequency compatible, suitable for global applications.
    $1,617.54

    15 kVA Three Phase Autotransformer, 400V to 230V/220V

    ● 15 kVA three-phase autotransformer for industrial voltage conversion. ● 400V to 230V/220V step-down configuration, suitable for international power systems. ● Standard configuration: 380V to 220V/200V, multiple other voltage options supported. ● Dry-type autotransformer design using electromagnetic induction. ● 50/60 Hz compatible, adaptable to global AC power networks. ● Copper or aluminum winding available to match project specifications and budget.
    $2,333.23

    25 kVA Three Phase Autotransformer, 240V to 410V/480V

    ● 3-phase dry-type autotransformer, 25 kVA rated capacity, 98% high efficiency. ● Standard configuration: input 380V, output 220V/200V; other voltages available for customization. ● Supports multiple voltage configurations to suit diverse application requirements. ● Copper or aluminum wire winding is selectable. ● Compatible with 50Hz and 60Hz AC power supply systems.
    $2,884.31

    45 kVA Three Phase Autotransformer, 230V to 400V/380V

    ● Three-phase dry-type autotransformer, 45 kVA rated capacity, available at competitive market pricing. ● Standard configuration: input 380V, output 220V/200V; voltage customization available for broader application needs. ● Supports both 50Hz and 60Hz AC power supply systems. ● High-performance copper or aluminum winding is selectable for increased reliability and working efficiency. ● Dry-type autotransformer design, reliable and maintenance-friendly.
    $4,724.92

    75 kVA Three Phase Autotransformer, 380V to 190V/120V

    ● 75 kVA 3-phase autotransformer designed for industrial voltage conversion. ● Standard configuration: input 380V, output 220V/200V; other input/output voltages customizable. ● ≥98% high efficiency winding for minimal energy loss across the full load range. ● Compatible with 50/60 Hz AC power networks. ● Copper or aluminum winding is selectable for different application needs.
    $6,599.92
    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.

    0 review(s)
    0.0 0
    Write your own review Close
    *
    *
    Information
    Customer service
    Payment options
    Copyright © 2026 PowerHome.com. All rights reserved.