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TPL Stabilizers

TPL Series Three Phase Voltage Stabilizer Servo Liner 20% - 300KVA

TPL Series Three Phase Voltage Stabilizer Servo Liner 20% - 300KVA

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The TPL 300 KVA is designed for industrial facilities and large commercial campuses where multiple departments share a single power bus and load variation is constant. With 433 A rated current and full independent per-phase control, the unit maintains ±1% output accuracy regardless of load shifts across phases. Its Class H insulation and >98% full-load efficiency make it a long-term investment for continuous industrial operation. Widely used in textile factories, food processing plants, and large data centres.

Outstanding Features

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300 KVA industrial capacity

Heavy-duty three-phase stabilization

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433 A rated current

Supports large motor and process loads

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Class H insulation

24/7 continuous industrial operation

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>98% efficiency

High energy savings at industrial scale

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Independent phase regulation

Stable output under load imbalance

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Short circuit protection

Enhanced system safety under faults

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Overload protection

Safe operation under peak demand

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Modbus + GPRS communication

BMS / SCADA integration ready

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±20% input tolerance

Stable performance under grid fluctuations

Specification Value
Rated Power 300 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 433 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

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.