Automatic AC Voltage Stabilizer 3 Phase 15KW
The Automatic 3-Phase 15KW Voltage Stabilizer is designed to deliver reliable, stable and clean power for commercial and industrial applications. It automatically regulates fluctuating mains voltage to a safe, consistent output, protecting your equipment from damage caused by surges, low voltage, phase imbalance, and power instability.
The Automatic AC Voltage Stabilizer 3 Phase 15KW is a high-capacity device engineered to deliver stable and reliable voltage regulation for an extensive range of heavy-duty electrical equipment. This stabilizer is essential in environments where voltage fluctuations are frequent, posing a risk to the efficiency and lifespan of sensitive machinery. By ensuring a consistent voltage supply, it protects appliances from potential damage and optimizes their performance.
The core of this Voltage Stabilizer is an advanced microcontroller that continuously monitors the incoming voltage across all three phases. When fluctuations are detected, the stabilizer swiftly adjusts the output to maintain a steady voltage level. This rapid response mechanism ensures that connected appliances receive consistent power, preventing issues such as overheating, electrical surges, and premature wear.
The Automatic AC Voltage Stabilizer 3 Phase 15KW is an indispensable tool for maintaining a stable voltage supply for high-demand three-phase electrical systems. Its advanced features, user-friendly design, and reliable performance make it an excellent choice for protecting and optimizing the function of valuable industrial and commercial equipment.
Key Benefits:
Automatic servo-controlled voltage correction
Wide input voltage range for unstable areas
High output accuracy for sensitive equipment
Full protection: over-voltage, under-voltage, overload, short-circuit, phase loss and reversal
Digital display for voltage and load monitoring
Heavy-duty construction for continuous operation
Technical Specifications
| Parameter | Specification |
|---|---|
| Power Rating | 15KW / 15kVA, Three Phase |
| Phase | 3-Phase (RYB + Neutral + Earth) |
| Input Voltage Range | Typically 270V – 470V (line-to-line), varies by model |
| Output Voltage | 380V / 400V / 415V (adjustable) |
| Output Accuracy | ±1% to ±3% depending on load |
| Frequency | 50Hz |
| Voltage Regulation Type | Servo motor controlled (variac + buck/boost transformer) |
| Response Time | Under 1 second depending on load variation |
| Correction Speed | Approx. 25–35V per second |
| Cooling Method | Air-cooled |
| Duty Cycle | 100% continuous |
| Protection Features | Over-voltage, under-voltage, overload, short-circuit, surge protection, phase imbalance, phase loss, phase reversal |
| Display | Digital voltmeter/ammeter for input and output |
| Construction | Powder-coated metal cabinet |
| Operating Temperature | Up to 45°C |
| Humidity Tolerance | Up to 90% non-condensing |
| Applications | Industrial machines, CNC, motors, air conditioners, lifts, offices, labs, medical equipment, ICT equipment, commercial installations |
Also Check:
Automatic AC Voltage Stabilizer 3 Phase 10KW
Automatic AC Voltage Stabilizer 3 Phase 20KW
Automatic AC Voltage Stabilizer 3 Phase 30KW
Automatic AC Voltage Stabilizer 3 Phase 50KW




