500KVA Three Phase Automatic Voltage Regulator AVR with Built-in Isolation Transformer
High Power Industrial Voltage Stabilizer & Power Conditioning Solution for Factory Main Power Systems
The Voltnex Power 500KVA Three Phase Automatic Voltage Regulator AVR with Built-in Isolation Transformer is a high-capacity industrial power protection solution designed for factories, manufacturing plants, heavy machinery and large electrical systems requiring continuous and stable voltage supply.
For modern industrial facilities, voltage instability can cause serious problems including equipment malfunction, production interruption, reduced machine accuracy and increased maintenance costs. Especially for large power-consuming equipment such as CNC machines, industrial motors, automated production lines and heavy processing systems, stable voltage quality is essential.
The 500KVA AVR combines automatic voltage regulation technology, isolation transformer protection and industrial power conditioning functions into one integrated system.
By continuously monitoring input voltage fluctuations and automatically adjusting output voltage, this industrial voltage stabilizer provides a reliable power environment for high-value electrical equipment.
Supporting worldwide voltage standards including:
110V / 120V / 208V / 220V / 230V / 240V / 380V / 400V / 415V / 440V / 480V AC
the system can be customized according to different countries, industries and engineering projects.
How Does a 500KVA Automatic Voltage Regulator Work?
The 500KVA AVR uses an automatic servo motor regulation system to detect voltage changes in real time.
When input voltage becomes unstable:
Low Voltage Condition
The AVR automatically increases the output voltage to maintain normal operation.
High Voltage Condition
The system reduces the output voltage to protect connected equipment.
Stable Voltage Output
The regulator continuously adjusts the voltage range to provide reliable power quality.
Combined with the built-in isolation transformer, the system also helps:
- Reduce electrical interference
- Improve power cleanliness
- Protect sensitive equipment
- Enhance electrical safety
KEY TECHNICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Capacity | 500KVA |
| Product Type | Three Phase Automatic Voltage Regulator AVR / High Power Industrial Voltage Stabilizer |
| Input Voltage | 110V / 120V / 208V / 220V / 230V / 240V / 380V / 400V / 415V / 440V / 480V AC Customized |
| Output Voltage | Customized According to Project Requirements |
| Phase | Three Phase |
| Control Type | Automatic Servo Motor Voltage Regulation System |
| Isolation Transformer | Built-in Isolation Transformer Integrated Design |
| Frequency | 50Hz / 60Hz |
| Voltage Accuracy | ±1% – ±3% |
| Protection Functions | Over Voltage, Under Voltage, Overload, Short Circuit, Over Temperature Protection |
| Cooling Method | Air Self-Cooling / Forced Air Cooling Optional |
| Insulation Class | F / H Class |
| Winding Material | Pure Copper Winding Optional |
| Standard | IEC Standard Industrial Design |
| Application | Factory Main Power System, Heavy Machinery, CNC Equipment, Industrial Automation, Manufacturing Plant |
Main Advantages of Voltnex 500KVA Industrial AVR
1. High Power Capacity for Large Industrial Loads
Unlike small commercial voltage stabilizers, the 500KVA AVR is designed for large-scale electrical systems.
It provides reliable voltage stabilization for:
- Manufacturing plants
- Industrial factories
- Production workshops
- Large motors
- Heavy processing equipment
- Automated production lines
The high-capacity design allows multiple industrial machines to operate under a more stable power environment.
2. Built-in Isolation Transformer for Enhanced Power Quality
The integrated isolation transformer provides additional protection compared with standard voltage regulators.
Main benefits:
Electrical Isolation
Separates input and output circuits to improve system safety.
Noise Reduction
Reduces electrical interference caused by unstable power sources.
Equipment Protection
Helps protect:
- CNC controllers
- Servo systems
- PLC equipment
- Industrial electronics
Stable Power Environment
Improves overall power quality for sensitive industrial applications.
3. Heavy Duty Industrial Structure
The 500KVA AVR is manufactured for demanding industrial environments.
Features include:
✔ Strong cabinet structure
✔ High-quality electrical components
✔ Reliable transformer design
✔ Easy maintenance access
✔ Long service life
Suitable for continuous operation in:
- Factories
- Industrial plants
- Processing facilities
- Manufacturing centers
4. Advanced Protection System
The system provides multiple protection functions:
Over Voltage Protection
Prevents excessive voltage from damaging equipment.
Under Voltage Protection
Maintains equipment operation during insufficient voltage conditions.
Overload Protection
Protects the AVR system under abnormal loading conditions.
Short Circuit Protection
Improves electrical safety.
Temperature Protection
Helps ensure safe operation under heavy loads.
500KVA AVR Price & Purchasing Factors
The price of a 500KVA Three Phase Automatic Voltage Regulator AVR with Isolation Transformer depends on different technical configurations.
| Price Factor | Description |
|---|---|
| Rated Capacity | 500KVA high power industrial voltage regulation capacity |
| Voltage Configuration | Different input and output voltage requirements from 110V to 480V affect the final configuration |
| Isolation Transformer Design | Integrated isolation transformer specifications and protection requirements |
| Winding Material | Copper winding or aluminum winding options according to customer requirements |
| Control System | Standard AVR control panel or customized intelligent monitoring system |
| Cabinet Structure | Industrial cabinet design, protection level and customized enclosure options |
| Protection Functions | Additional safety functions including overload, temperature and voltage protection |
| Order Quantity | Factory wholesale pricing available for distributors, contractors and industrial projects |
| Customization Service | OEM/ODM solutions including electrical design, branding and project requirements |
Voltnex Power provides:
- Factory direct price
- Engineering recommendation
- Customized solution
- Export packaging
- Technical documentation
Why Buy 500KVA AVR Directly from China?
Competitive Factory Pricing
Purchasing directly from a Chinese manufacturer provides significant advantages:
✔ Lower production cost
✔ Better wholesale pricing
✔ Direct engineering communication
✔ Faster customization
✔ Reduced middleman cost
Professional China Electrical Manufacturer
Voltnex Power specializes in manufacturing:
- Automatic Voltage Regulator AVR
- Industrial Voltage Stabilizer
- Isolation Transformer
- Dry Type Transformer
- Power Quality Equipment
Our products are designed for:
- Industrial factories
- Engineering contractors
- Equipment manufacturers
- Global distributors
OEM & ODM Customization Service
Different countries and projects have different requirements.
Voltnex Power provides:
Electrical Customization
- Input voltage
- Output voltage
- Frequency
- Transformer capacity
- Copper winding
Mechanical Customization
- Cabinet size
- Terminal design
- Cooling system
- Protection level
Business Customization
- OEM branding
- Distributor cooperation
- Project supply
Applications of 500KVA Industrial Voltage Stabilizer
Manufacturing Factory Power System
Used for:
- Production facilities
- Assembly lines
- Industrial workshops
Heavy Machinery Industry
Suitable for:
- Metal processing machines
- Large motors
- Industrial equipment
- Mining machinery
CNC Manufacturing
Provides stable power for:
- CNC machining centers
- Precision processing equipment
- Automated machine tools
Automation Systems
Suitable for:
- Industrial robots
- PLC systems
- Smart manufacturing equipment
Recommended Equipment Applications
The 500KVA AVR is commonly used with:
- CNC machine tools
- Laser cutting machines
- Injection molding machines
- Industrial compressors
- Welding equipment
- Packaging production lines
- Factory automation systems
Project Case Studies
Case Study 1: Automotive Parts Factory – Mexico
Customer Background
An automotive parts manufacturer experienced unstable grid voltage affecting CNC machining accuracy.
Solution
Voltnex supplied:
500KVA Three Phase AVR with Built-in Isolation Transformer
Configuration:
- Input: 480V
- Output: 480V
- Three Phase System
- Heavy Duty Cabinet
Results
✔ Improved CNC machine stability
✔ Reduced production interruption
✔ Protected expensive equipment
Case Study 2: Metal Processing Plant – Brazil
Customer Requirement
A metal processing factory needed stable voltage protection for heavy production equipment.
Solution
Provided:
500KVA Industrial Voltage Stabilizer System
Including:
- Automatic voltage regulation
- Isolation transformer
- Customized protection system
Results
✔ Stable production operation
✔ Reduced equipment failures
✔ Improved power quality
Why Choose Voltnex Power?
Voltnex Power is a professional manufacturer specializing in industrial power solutions.
Our advantages:
✅ China Factory Direct Supply
✅ High Power AVR Manufacturing
✅ OEM & ODM Capability
✅ Customized Voltage Solutions
✅ Global Export Experience
✅ Technical Support Service
We provide solutions for customers worldwide including:
USA, Canada, Mexico, Brazil, Chile, Colombia, Europe, Middle East, Africa and Asia.
Frequently Asked Questions (FAQ)
1. What is a 500KVA AVR voltage regulator?
A 500KVA AVR is an industrial device that automatically stabilizes voltage for large electrical systems.
2. Does this model include an isolation transformer?
Yes, the product can integrate an isolation transformer for improved power protection.
3. What voltage ranges are available?
110V to 480V AC voltage configurations can be customized.
4. Is it suitable for factory main power systems?
Yes, it is designed for large industrial power applications.
5. Can copper winding be supplied?
Yes, copper winding options are available.
6. What industries use this product?
Factories, CNC manufacturing, automation, heavy industry and processing plants.
7. Does Voltnex provide OEM service?
Yes, OEM and ODM services are available.
8. What is the production time?
Production time depends on specifications and order quantity.
9. Can Voltnex ship worldwide?
Yes, global export service is available.
10. How can I get a quotation?
Send your voltage requirement, application and quantity for a customized quotation.
Our Commitment To Global Industrial Customers
At Voltnex Power, we are committed to providing reliable, customized and high-performance power solutions for industrial customers, electrical contractors, system integrators and distributors worldwide.
With professional manufacturing capability, strict quality control and engineering support, we deliver complete solutions including high power AVR voltage stabilizers, automatic voltage regulators, isolation transformers and industrial power conditioning systems for demanding applications.
Our commitment includes:
📦 Global Fast Shipping & Export Support
Reliable international logistics service, professional export packaging and project delivery support for customers worldwide.
📞 24/7 Technical Support & Engineering Assistance
Professional technical guidance, product selection support and application solutions from our experienced engineering team.
📄 Complete Technical Documentation Available
Datasheets, specifications, wiring diagrams and customized technical documents are available upon request.
🏭 OEM & ODM Manufacturing Service
Flexible customization including voltage configuration, transformer design, cabinet structure, copper winding options and customized industrial solutions.
🌎 Worldwide Industrial Power Solutions
Serving customers across USA, Canada, Mexico, Brazil, Chile, Colombia, Europe, Middle East, Asia, Africa and global industrial markets.
Voltnex Power – Your Trusted China Manufacturer of High Power AVR Voltage Stabilizers, Three Phase Automatic Voltage Regulators, Built-in Isolation Transformer Systems and Industrial Power Quality Solutions. We provide factory-direct manufacturing, customized engineering solutions and reliable power protection equipment for global industrial applications.
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