Three Phase Isolation Transformer 10kVA–500kVA Low Voltage for Industrial Power Systems
Product Overview
TNNPI three-phase isolation transformers are designed to provide electrical isolation, voltage stabilization, and enhanced power quality for industrial equipment and critical electrical systems. Available from 10kVA to 500kVA, these transformers effectively reduce electrical noise, suppress harmonics, and protect sensitive equipment from voltage fluctuations, ensuring safe and reliable operation in demanding industrial environments.
Superior Electrical Isolation
The transformer provides complete galvanic isolation between the primary and secondary circuits, minimizing electrical interference and enhancing operational safety.
- Full electrical isolation
- Reduced electromagnetic interference (EMI)
- Improved personnel and equipment protection
- Enhanced system reliability
Stable Power Quality
Designed to mitigate voltage spikes, transient disturbances, and harmonics, the transformer helps maintain stable output voltage for sensitive industrial equipment.
- Voltage fluctuation suppression
- Harmonic reduction
- Improved power quality
- Low leakage current design
Built for Industrial Applications
Manufactured with premium copper windings and high-quality silicon steel cores, the transformer ensures excellent efficiency, low temperature rise, and long-term durability.
- Copper or aluminum winding
- Vacuum pressure impregnation (VPI) optional
- Low noise operation
- High overload capability
Custom Manufacturing & Global Compliance
Available in multiple voltage configurations and enclosure types to meet worldwide industrial standards.
- Capacity: 10–500kVA
- Input/Output Voltage: Customized
- Frequency: 50Hz / 60Hz
- IP20 / IP23 / IP54 enclosure optional
- IEC 60076 / IEC 61558 compliant
- OEM & ODM available
Typical Applications
- Industrial production lines
- CNC machinery
- Automation equipment
- Laboratory equipment
- Printing machines
- Textile machinery
- Packaging equipment
- Power distribution systems
General Technical Parameters
| Item | Specification |
|---|---|
| Capacity | 10–500kVA |
| Phase | Three Phase |
| Frequency | 50Hz / 60Hz |
| Input Voltage | Customized |
| Output Voltage | Customized |
| Winding Material | Copper / Aluminum |
| Cooling Method | Air Natural (AN) |
| Insulation Class | Class F / H |
| Protection | IP20 / IP23 / IP54 |
| Standards | IEC 60076 / IEC 61558 |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.