SG Series | Three Phase Step Down Transformer | Customized Input & Output Voltage | 1-5000kVA
The Three Phase Step Down Transformer converts higher three-phase voltage to the required lower voltage for industrial equipment and electrical systems. It is suitable for factories and imported machinery requiring a different operating voltage. Key Features: Three phase step-down design 1kVA-500kVA Customized voltage ratio 50Hz / 60Hz Copper or aluminum winding Reliable continuous operation Custom enclosure available Typical Applications: Factory equipment, CNC machines, imported machinery, control systems and industrial power distribution. Tell us your input voltage, output voltage and load capacity for model selection.
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
