SG Series | 380V / 400V Three Phase Transformer | 1kVA-5000kVA | Custom Voltage
The 380V/400V Three Phase Transformer is designed for industrial equipment and power systems requiring voltage conversion between common three-phase supply standards. Input and output voltage can be customized according to your local grid and equipment requirements. Key Features: 380V / 400V three phase options 1kVA-500kVA 50Hz / 60Hz Step-up / step-down configurations Copper or aluminum winding Customized voltage ratio IEC / CE / ISO available Applications: Factories, CNC machines, imported equipment, production lines and commercial power systems.
Three Phase Isolation Transformer for Industrial Power Systems, Control Cabinets and Sensitive Equipment
Our low voltage three phase isolation transformers are designed to provide safe electrical isolation, voltage conversion and stable power supply for industrial and commercial applications.
By electrically separating the primary and secondary circuits, these transformers help reduce electrical interference, improve system safety and protect sensitive equipment from voltage fluctuations.
With high-quality copper windings, low-loss silicon steel cores and reliable insulation systems, our three phase isolation transformers deliver excellent performance, long service life and customized solutions for different power requirements.

High Quality Silicon Steel Core
Copper Winding
Advanced Insulation System
Strong Mechanical Structure
Parameter | Specification |
Product Type | Three Phase Isolation Transformer |
Rated Power | 1kVA - 1000kVA (Customized) |
Phase | Three Phase |
Frequency | 50Hz / 60Hz |
Input Voltage | Customized |
Output Voltage | Customized |
Insulation Class | Class B / F / H |
Protection Class | IP20 / IP23 / Customized |
Cooling Method | Natural Air Cooling |
Efficiency | ≥95% |
Installation | Indoor / Outdoor Customized |
Winding Material | Copper / Aluminum |
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Packing & Delivery:
Strong export wooden case packaging
