3 Phase 50kva Air Cooled Servo Voltage Stabilizer - Phase: 3-phase

The 50Kva Air Cooled Three Phase Servo Stabilizer (and similar 50 kVA three-phase air-cooled servo voltage stabilizers) is a robust and automatic voltage regulation device engineered to maintain a stable and reliable three-phase electrical output for industrial, commercial, and sensitive electrical systems.

This stabilizer continuously monitors fluctuations in the incoming supply voltage and automatically adjusts it using a servo motor-driven variable transformer mechanism, ensuring a precise output (typically 400 V 1%) even when the input varies widely. This real-time correction protects connected equipment such as industrial machines, compressors, CNC systems, HVAC units, and electronic instruments from damage caused by voltage spikes, undervoltage, surges, and instability, improving reliability and equipment lifespan.

Thanks to its air-cooled design, the stabilizer uses efficient ventilation rather than oil cooling, making it lightweight, low-maintenance, and well-suited for indoor installations without the complexity of oil-based systems. Advanced microcontroller/digital control circuitry enables precise monitoring of input and output voltages, while built-in safety protections guard against overloads, short circuits, and phase imbalances or failures, supporting continuous 247 operation.

Typical features include:

Rated Capacity: 50 KVA, three-phase system

Input Voltage Range: Wide range (commonly ~300 V470 V or similar)

Output Voltage: Regulated ~400 V 1%

Cooling Type: Air-cooled for easy maintenance

Control: Microprocessor/microcontroller based regulation

Protection: Over/under-voltage, overload protection, short circuit safeguards

Display: Digital meters for real-time voltage monitoring

Efficiency: High efficiency with minimal waveform distortion

Installation: Indoor, floor stand or cabinet mounting

Duty: Continuous operation with fast voltage correction.

Applications:

Ideal for industrial units, commercial facilities, large offices, data centers, workshops, manufacturing plants, medical equipment rooms, textile and printing industries, HVAC systems, and other environments where stable three-phase power is critical for performance and protection.