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

SKU: PH-T-ASG5KVA
$1,617.54
● 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.
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Overview

This 5 kVA dry-type three-phase autotransformer is engineered for safe and efficient step-down voltage conversion in industrial and commercial power systems. Designed to operate at 50Hz or 60Hz, the unit can support multiple voltage configurations, including 480V to 240V/230V, as well as the standard 380V to 220V/200V conversion; other voltages can also be selectable and customizable. This industrial autotransformer adopts high-quality insulated windings and laminated silicon steel cores to improve magnetic performance and reduce energy loss. Copper or aluminum winding materials can be selected depending on cost and performance requirements. Due to its compact dry-type structure, stable output characteristics, and flexible voltage options, the transformer is a practical three-phase power conversion solution for machinery, control systems, and electrical equipment.

5 kVA three-phase autotransformer feature

Feature

  • Reliable 3-Phase Voltage Conversion: The 5 kVA three-phase autotransformer is designed to convert 480V to 240V/230V or 380V to 220V/200V, providing stable three-phase power for industrial equipment and voltage adjustment applications.
  • Flexible Voltage Configurations: Besides the standard 380V to 220V/200V setup, the transformer supports various input and output voltage combinations, making it a versatile industrial voltage converter for different regions and equipment requirements.
  • Durable Dry-Type Transformer Structure: The transformer adopts a dry-type electromagnetic induction design with separately insulated primary and secondary windings, ensuring safe operation, reliable performance, and simplified maintenance.
  • High-Quality Insulated Coil Windings: Coils are wound with H-class insulated enameled wire, featuring tight and neat wiring without skipped turns. This construction helps reduce no-load current, improve efficiency, and extend service life.
 

Details

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

5 kVA Three-phase Autotransformer Schematic Wiring Diagram

Three-phase autotransformer schematic wiring diagram

Specs
Phase 3-Phase
Capacity 5 kVA
Input Voltage AC 380V
Input Current 8A
Output Voltage (Optional) AC 120V, 190V, 200V, 220V, 230V, 240V, 380V, 400V, 415V, 480V
Output Current 13A (220V); 14A (200V)
Frequency 50/60 Hz
Winding Material (Optional) Aluminum Wire / Copper Wire
Cooling Method Self-cooling / Wind-cooling
Working Efficiency ≄98%
Protection Grade IP21
Waveform Distortion No distortion (compared with the output wave)
Insulation Resistance ≄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 ≤ 2500m
Relative Humidity 0-95%
Noise ≤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 420Ɨ420Ɨ450 (mm)
Weight 35 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 voltage configurations are available for this 5 kVA three-phase autotransformer?

This unit supports multiple voltage configurations, including 480V to 240V/230V and 380V to 220V/200V. Other input and output voltage combinations can also be customized to meet specific project requirements.

Q2: What is the difference between copper and aluminum winding in this 5 kVA autotransformer?

Copper winding offers lower electrical resistance and better conductivity, resulting in slightly higher efficiency and longer service life. Aluminum winding is a cost-effective alternative suitable for budget-sensitive projects. Both options are available for this unit.

Q3: Can this three-phase autotransformer operate on both 50Hz and 60Hz power systems?

Yes. This 5 kVA autotransformer is fully compatible with both 50Hz and 60Hz AC circuits, making it suitable for use across different countries and for powering imported industrial equipment with varying frequency requirements.

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