TPL Voltage Stabilizer by Star Trans: A Trusted Industrial Solution for Large-Scale Projects
Voltage stability is one of the foundations that any industrial or service facility relies on for efficient operation. A fluctu...
At 500 KVA and 721.68 A, the TPL 500 KVA is a powerhouse unit built for large industrial installations with multiple production lines, compressors, and sensitive systems sharing the same supply. Its ARM-based DSP control provides fast voltage correction at 20ms per volt, ensuring stable operation during sudden load changes. The floor-standing multi-cabinet design supports easy installation and future expansion. It weighs 1709 KG with dimensions of 2010×2320×1400 mm.
Outstanding Features
500 KVA industrial capacity
Protects multiple production lines and heavy-duty systems
721.68 A rated current
Handles motors, compressors and control loads
ARM-DSP control board
20 ms/volt fast correction speed
Internal bypass
Maintenance without load interruption
150% overload capacity
Absorbs heavy startup transients safely
Floor-standing multi-cabinet
Easy installation and future expansion
Phase failure & sequence protection
Prevents motor damage and system faults
Modbus + GPRS communication
SCADA / BMS integration ready
±20% input tolerance
Stable output under grid fluctuations
| Specification | Value |
|---|---|
| Rated Power | 500 KVA |
| Phase | Three Phase |
| Input voltage | 400 Vac (Three Phase + Neutral) |
| Output voltage | 400 Vac (Three Phase + Neutral) |
| Admitted Load Variation | 0 to 100% |
| Harmonic distortion | Nil (zero introduced) |
| Cooling | Natural Air + Fans (forced ventilation above threshold) |
| Protection degree | IP23 — Indoor |
| Environment | Indoor installation |
| Colour | RAL 7016 (Dark Grey) |
| Input voltage tolerance | +20% to -20% (320V – 480V) |
| Output accuracy | ±0.5% to ±1% (adjustable) |
| Rated current | 721.68 A |
| Frequency | 50/60 Hz ±5% |
| Efficiency | >98% at full load |
| Overload | 150% for 1 min |
| Correction speed | 20 ms / volt |
| Load unbalance | Up to 100% |
| Insulation class | H Class |
Product Technical Data Sheet
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Request a custom TPL stabilizer for your project
We provide custom 3-phase TPL voltage stabilizers tailored to suit the needs of factories and industrial facilities of different sizes. If you need a capacity not listed in the displayed products or require special operating specifications, our engineering team can design the right solution for your application.