NEWS DETAILS

Single Phase Servo Voltage Stabilizer 10–30KVA with LCD Display & Full Protection from China Manufacturer

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.

single phase servo voltage stabilizer

1. Key Features of Servo Motor Type Automatic Voltage Stabilizer

1.1 Wide Input Voltage Range (140–260V AC, Customizable)

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.

1.2 High Precision Output: 220V ±1.5% or ±3%

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.

1.3 Meter or LCD Display for Real-Time Monitoring

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.

1.4 Full Protection Functions

The SVC series automatically shuts down output under the following fault conditions:

ProtectionTrigger Point
Over VoltageOutput > 255V
Under VoltageOutput < 180V
Over TemperatureInternal > 120°C
OverloadInstant detection
Short CircuitInstant 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.

1.5 Optional Mains Bypass Function – Zero Power Consumption

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.

1.6 Servo Motor Control with Toroidal Auto Transformer

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.

1.7 High Efficiency >95%

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.

2. Technical Specifications (SVC-10000 / 15000 / 20000 / 30000)

2.1 Single Phase Input & Output Parameters

ParameterValue
PhaseSingle phase
Frequency50 Hz
Input operating range120–275V AC
Input regulation range140–260V AC (customizable)
Output operating window180–255V AC
High/Low cut voltage255V / 180V
Connection typeTerminal block

2.2 Available Capacity Range: 10KVA to 30KVA

ModelNominal PowerPower Factor
SVC-1000010,000 VA0.6–1.0
SVC-1500015,000 VA0.6–1.0
SVC-2000020,000 VA0.6–1.0
SVC-3000030,000 VA0.6–1.0

2.3 Protection Trigger Points & Working Environment

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

3. Applications of Single Phase Voltage Stabilizer

3.1 Industrial Manufacturing & Automation Equipment

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.

3.2 CNC Machine Tools & Numerical Control Systems

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.

3.3 Medical Equipment, Diagnostic Devices & Laboratory Systems

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.

3.4 Commercial Office, Lighting, Security & IT Systems

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.

4. Advantages of Servo Motor Voltage Stabilizer in Industrial Power Systems

4.1 Stable Power Supply for Voltage Fluctuation 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.

4.2 Extends Lifespan of Sensitive Equipment

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.

4.3 Reduces Downtime and Maintenance Cost

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.

4.4 Energy-Saving Mains Bypass Mode

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.

5. Technical and Manufacturing Advantages

5.1 Factory Direct Supply – Core Components In-House Manufactured

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.

5.2 OEM / ODM Customization Available

Customization options include:

  • Input voltage range (130–250V, 150–270V, etc.)
  • Output voltage (200V, 230V, 240V)
  • Display type (Meter or LCD)
  • Logo and packaging design

5.3 Strict Quality Control – ISO / CE / RoHS Certified

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.

5.4 High Production Capacity: 10,000 Pieces/Month

Banatton maintains a monthly production capacity of 10,000 units, supporting global distributors, industrial projects, and OEM bulk orders.

6. Packaging and Delivery Information

6.1 Standard Carton Packaging

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).

6.2 Export and Logistics Support

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.

7. FAQ

Q1:What is a servo motor voltage stabilizer?

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.

Q2:Can it handle 120–275V voltage fluctuation?

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.

Q3:What protection functions are included?

A: Over voltage, under voltage, overload, short circuit, and over temperature protection with automatic recovery after fault clearance.

Q4:What is the difference between meter and LCD display?

A: Meter shows analog readings, while LCD provides digital real-time data including voltage, temperature, load, and fault status.

Q5:Is OEM customization available?

A: Yes. Voltage range, output settings, display type, branding, and packaging can all be customized for OEM orders.

8. Get a Quote for Single Phase Servo Voltage Stabilizer

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.

Related Articles

the development of voltage stabilizers banner

The Development of Voltage Stabilizers

The supply of electricity has brought us great convenience and provided energy security for social development, people’s livelihoods, and industrial growth. However, power supply has...
Read More