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AUTOMATIC VOLTAGE REGULATOR

Simplicity, is hidden complexity. Hinorms, Born to be proud.

Wall Mounted To Save Space. Small and Light, but Smart. High voltage regulation speed and no waveform distortion.

Voltage Regulator Systems

About Us

Quzhou Sanyuanhuineng Yuanfang Electric Co., Ltd. is a professional manufacturer dedicated to the research, development, and production of high-performance voltage regulation and power protection solutions.

Factory or Office

Engineering Excellence in Power Management

With years of experience in electrical engineering, we specialize in creating reliable, efficient, and intelligent voltage regulation systems for industrial, commercial, and residential applications.

Our products are designed with precision and built to last, ensuring stable power delivery even under fluctuating grid conditions. We combine advanced technology with rigorous quality control to deliver solutions that meet international standards.

  • Expertise in servo and relay-based voltage regulators
  • Full range of single and three-phase stabilizers
  • High-speed regulation with zero waveform distortion
  • Compact, wall-mountable designs for space efficiency

Our Products

Discover our comprehensive range of voltage regulators, stabilizers, and electrical components engineered for performance, durability, and precision.

Relay Voltage Regulator

Relay Voltage Regulator

Fast-switching relay-based design for efficient voltage correction in low to medium power applications.

  • Technology: Relay switching
  • Response Time: High speed
  • Mounting: Wall-mountable
Voltage Regulator
Servo Voltage Regulator

Servo Voltage Regulator

Precision servo motor-driven stabilizer for smooth and accurate voltage regulation.

  • Control: Servo motor + carbon brush
  • Waveform: No distortion
  • Use Case: Sensitive equipment
Voltage Stabilizer
Socket Stabilizer

Socket Stabilizer

Plug-and-play socket-type stabilizer for home appliances and office equipment.

  • Type: Wall socket integrated
  • Protection: Over/under voltage
  • Design: Compact and discreet
Socket Stabilizer
Single Phase Voltage Stabilizer

Single Phase Voltage Stabilizer

Ideal for residential and small commercial use with consistent output voltage.

  • Input: 160V - 250V
  • Output: 220V ±3%
  • Capacity: 500VA to 10kVA
Single Phase
Three Phase Voltage Stabilizer

Three Phase Voltage Stabilizer

Robust solution for industrial machinery and large-scale power systems.

  • Phases: 3-Phase, 380V
  • Capacity: 10kVA to 500kVA
  • Application: Manufacturing, HVAC
Three Phase
Toroidal Transformer

Toroidal Transformer

Low-noise, high-efficiency transformer with superior magnetic performance.

  • Core Type: Toroidal
  • Efficiency: >95%
  • Use: Audio, medical, industrial
Transformer

Iron Core

High-permeability silicon steel laminations for transformers and inductors.

  • Material: CRGO Steel
  • Loss: Low core loss
  • Shapes: EI, UI, Toroidal
Component

Relay Components

High-reliability relays for switching and control in voltage regulation circuits.

  • Type: Electromechanical
  • Life Cycle: 100,000+ operations
  • Load: Resistive & inductive
Component

Why Choose Yuanfang Electric?

Our engineering philosophy combines innovation, reliability, and user-centric design to deliver unmatched power stability.

High Speed Regulation

Rapid response to voltage fluctuations ensures continuous protection for sensitive equipment.

No Waveform Distortion

Pure sine wave output maintains signal integrity for electronics and precision instruments.

Compact & Wall-Mountable

Space-saving design allows for easy installation in tight or vertical spaces.

Over/Under Voltage Protection

Built-in safeguards automatically disconnect load during extreme voltage conditions.

15+
Years Experience
50+
Countries Served
100K+
Units Delivered
99.8%
Customer Satisfaction

Frequently Asked Questions

Get answers to common questions about our voltage regulators and stabilizers.

What is the difference between a relay and servo voltage regulator?

Relay regulators use electromagnetic switches to adjust voltage in steps, offering fast response. Servo regulators use a motor-driven carbon brush for continuous, smooth voltage correction, ideal for sensitive equipment.

Can I install the stabilizer myself?

While our units are designed for easy mounting, we recommend professional installation by a licensed electrician to ensure safety and proper integration with your electrical system.

Do your stabilizers work with solar power systems?

Yes, many of our models are compatible with solar inverters and hybrid power systems. Please consult our technical team for specific compatibility and integration guidance.

What maintenance do voltage stabilizers require?

Our stabilizers are designed for minimal maintenance. Periodic inspection for dust accumulation and ensuring proper ventilation is recommended. Servo types may require occasional carbon brush inspection.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to contact the Yuanfang Electric team.

Visit Official Website

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