Industrial grade servo voltage stabilizer with ±1% accuracy, copper wound construction, and 50V/sec correction speed. Trusted by 5000+ industries across India.
Protects CNC, printing presses, medical equipment
±1% AccuracyCopper WoundMaintains constant output despite wide input swings
170-270V Input50V/sec CorrectionMicroprocessor control with real-time display
RS485 ModbusRemote MonitoringA servo voltage stabilizer is an electromechanical device that maintains constant output voltage despite fluctuations in input supply. Unlike static stabilizers, it uses a servo motor coupled with a variac to adjust voltage physically.
No waveform distortion – ideal for sensitive electronic equipment like CNC controllers and medical devices.
50V per second correction – responds faster than most voltage fluctuations.
100% electrolytic copper windings for lower losses, better heat dissipation, and longer life.
Digital voltage stabilizer with precise regulation and configurable protection settings.
Select the right kVA for your application
| kVA Rating | Application | Input Range | Cooling | Phase |
|---|---|---|---|---|
| 10 kVA | Small workshop, Office | 170-270V | Air | Single |
| 15 kVA | CNC Lathe, Printing press | 170-270V | Air | Single/3-Phase |
| 25 kVA | VMC Machine, Industrial oven | 300-470V | Air | 3-Phase |
| 30 kVA | Textile mill section | 300-470V | Air | 3-Phase |
| 50 kVA | Small factory mainline | 280-480V | Air/Oil | 3-Phase |
| 75 kVA | Pharmaceutical plant | 280-480V | Oil | 3-Phase |
| 100 kVA | Medium factory mainline | 270-480V | Oil | 3-Phase |
| 150 kVA | Large workshop | 270-480V | Oil | 3-Phase |
VMC, HMC, Lathes
Offset, Digital
Machinery, HVAC
Spinning, Weaving
Injection, Blow
Servers, Networking
The primary function of stabilizer is to protect electrical equipment by providing constant output voltage despite fluctuating input. It automatically corrects both over-voltage and under-voltage conditions.
When input voltage is low, the servo motor moves the carbon brush on the variac to add more turns in series, stepping up the voltage through electromagnetic induction.
An automatic voltage regulator (AVR) is the general category. A servo stabilizer is a type of AVR that uses a servo motor. All servo stabilizers are AVRs, but not all AVRs are servo stabilizers.
Yes, but very little – typically less than 2% of the load. For a 50kVA unit at 80% load, power loss is about 800W – a small price for protecting valuable machinery.
A mainline stabilizer is installed at the main incoming supply of a factory, protecting all downstream equipment. It's cost-effective for plants with multiple machines.
Get a free consultation and quote from our power quality experts.