The SVC Series Single Phase Voltage Stabilizer provides automatic voltage regulation for unstable AC power, helping protect sensitive equipment from voltage fluctuations. Manufactured by Banatton Group, this series covers nominal power ratings from 10,000VA to 30,000VA (SVC-10000, SVC-15000, SVC-20000, SVC-30000).
Key components, including the toroidal auto transformer and control PCB, are produced in-house at Banatton’s manufacturing. The stabilizer complies with CE certification (Certificate No. M.2021.206.C68491).
This series is widely used in industrial power stabilization systems, voltage fluctuation protection applications, and sensitive equipment power supply environments.

The SVC series operates within a standard input range of 140–260V AC, with a broader operating window of 120–275V AC. For regions with severe voltage fluctuation issues or unstable grid conditions, Banatton offers OEM customization to adjust the regulation range according to local power requirements.
Output accuracy is selectable between ±1.5% and ±3% of 220V AC. The stabilizer maintains a normal operating output window of 180–255V, with automatic shutdown triggered when voltage exceeds 255V or drops below 180V.
Users can choose between an analog meter or digital LCD display. The LCD version shows input voltage, output voltage, internal temperature, load level, delay time, and fault indications — enabling fast diagnosis of industrial power conditions and voltage instability.
The SVC series automatically shuts down output under the following fault conditions:
| Protection | Trigger Point |
| Over Voltage | Output > 255V |
| Under Voltage | Output < 180V |
| Over Temperature | Internal > 120°C |
| Overload | Instant detection |
| Short Circuit | Instant detection |
After fault clearance, the stabilizer automatically restarts with a configurable safety delay (3 or 180 seconds, optional). This ensures reliable protection for industrial equipment and voltage-sensitive devices.
When mains power is stable, users can switch from “Regulator Mode” to “Mains Bypass Mode”. In this state, the servo motor and control circuit are deactivated, enabling near-zero standby power consumption — an energy-saving feature for stable voltage environments.
Unlike relay-type automatic voltage regulators (AVR) that switch in discrete steps, the SVC series uses a servo motor driving a carbon brush across a toroidal auto transformer. This closed-loop system enables continuous voltage regulation with an extremely short response time, thereby ensuring stable output for industrial power systems and precision electronic equipment.
The combination of servo control technology, toroidal transformer, and optimized PCB design ensures energy efficiency above 95%. The system uses natural cooling, making it silent and maintenance-free for long-term industrial operation.
| Parameter | Value |
| Phase | Single phase |
| Frequency | 50 Hz |
| Input operating range | 120–275V AC |
| Input regulation range | 140–260V AC (customizable) |
| Output operating window | 180–255V AC |
| High/Low cut voltage | 255V / 180V |
| Connection type | Terminal block |
| Model | Nominal Power | Power Factor |
| SVC-10000 | 10,000 VA | 0.6–1.0 |
| SVC-15000 | 15,000 VA | 0.6–1.0 |
| SVC-20000 | 20,000 VA | 0.6–1.0 |
| SVC-30000 | 30,000 VA | 0.6–1.0 |
Over voltage shutdown: >255V
Under voltage shutdown: <180V
Over temperature shutdown: >120°C
Cooling: Natural convection (fanless)
Safety delay: 3 or 180 seconds (optional)
Operating environment: Indoor, dry, well-ventilated, ambient temperature below 40°C
Industrial environments often experience voltage fluctuation caused by motor starting loads or welding machines. The SVC series maintains stable output accuracy (±1.5–3%), reducing production errors and protecting automation control systems, assembly lines, packaging machines, and industrial processing equipment.
CNC machines require highly stable power supply to maintain machining precision and avoid spindle drive errors. The SVC stabilizer ensures continuous voltage regulation, reducing scrap rates and improving machining reliability in CNC systems and automation production lines.
Medical and laboratory equipment such as X-ray machines, ultrasound systems, analyzers, and monitoring devices require stable voltage supply. The SVC series provides reliable power stabilization, helping reduce operational risk caused by unstable grid conditions.
The automatic voltage stabilizer protects office equipment, CCTV systems, network infrastructure, lighting systems, and audio equipment from voltage instability, reducing flicker, noise, and system downtime in commercial environments.
In regions where grid voltage fluctuates between 120V and 275V, electrical equipment may fail or shut down unexpectedly. The SVC series provides continuous voltage regulation, ensuring a stable 220V output for industrial and commercial applications.
In environments with frequent voltage sags, surges, or prolonged brownouts, voltage instability accelerates the aging of critical components leading to premature equipment failure. By maintaining stable output, the SVC industrial stabilizer reduces thermal stress and extends equipment service life.
Voltage-related failures often cause unplanned production stoppages. The SVC stabilizer minimizes such risks by providing automatic voltage regulation and self-protection functions, reducing maintenance cost and downtime.
When grid power is stable, the optional bypass mode allows direct mains supply. This reduces energy consumption by disabling servo motor operation and control circuits, improving overall system efficiency.
Banatton manufactures key components such as toroidal transformers and control PCBs in its facility. This vertical integration ensures consistent product quality, stable supply chain, and improved production efficiency.
Customization options include:
All SVC stabilizers are produced under ISO systems, and comply with CE and RoHS requirements. Each unit undergoes raw material inspection, production testing, and final performance verification before shipment.
Banatton maintains a monthly production capacity of 10,000 units, supporting global distributors, industrial projects, and OEM bulk orders.
Each unit is packaged in reinforced cartons with foam protection. Accessories include mounting brackets, manual, and terminal covers. Hardwired terminal block design is used (no power cord included).
Support includes OEM neutral packaging, pallet shipping, and global export logistics via sea freight (FOB Shenzhen/Guangzhou), air freight, and express courier services. Full export documentation is provided.
A: A servo motor voltage stabilizer is an automatic voltage regulator (AVR) that uses a servo motor and toroidal transformer to continuously adjust output voltage, providing smooth and stable power correction.
A: Yes. The SVC series servo voltage stabilizer operates within 120–275V AC input range and stabilizes output to 220V ±1.5–3%. It automatically shuts down outside safe limits.
A: Over voltage, under voltage, overload, short circuit, and over temperature protection with automatic recovery after fault clearance.
A: Meter shows analog readings, while LCD provides digital real-time data including voltage, temperature, load, and fault status.
A: Yes. Voltage range, output settings, display type, branding, and packaging can all be customized for OEM orders.
Please feel free to contact us for any inquiries about SVC series (10KVA–30KVA) or other power solutions, including UPS, EPS, PDU, and industrial power systems. Banatton Group supports global industrial sectors including manufacturing, healthcare, energy, transportation, and data centers, offering fast delivery and OEM support.