{"id":1819,"date":"2026-07-31T13:45:56","date_gmt":"2026-07-31T13:45:56","guid":{"rendered":"https:\/\/voltnexpower.com\/?post_type=product&p=1819"},"modified":"2026-07-31T23:19:22","modified_gmt":"2026-07-31T23:19:22","slug":"500kva-three-phase-high-power-avr-voltage-stabilizer-with-built-in-isolation-transformer-110v-480v-industrial-power-regulator-voltnex-power","status":"publish","type":"product","link":"https:\/\/voltnexpower.com\/zh\/manufacturer\/500kva-three-phase-high-power-avr-voltage-stabilizer-with-built-in-isolation-transformer-110v-480v-industrial-power-regulator-voltnex-power\/","title":{"rendered":"500KVA Three Phase High Power AVR Voltage Stabilizer with Built-in Isolation Transformer 110V-480V Industrial Power Regulator | Voltnex Power"},"content":{"rendered":"

500KVA Three Phase Automatic Voltage Regulator AVR with Built-in Isolation Transformer<\/h2>\n

High Power Industrial Voltage Stabilizer & Power Conditioning Solution for Factory Main Power Systems<\/h3>\n

The Voltnex Power 500KVA Three Phase Automatic Voltage Regulator AVR with Built-in Isolation Transformer<\/strong> 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.<\/p>\n

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.<\/p>\n

The 500KVA AVR combines automatic voltage regulation technology, isolation transformer protection and industrial power conditioning functions<\/strong> into one integrated system.<\/p>\n

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.<\/p>\n

Supporting worldwide voltage standards including:<\/p>\n

110V \/ 120V \/ 208V \/ 220V \/ 230V \/ 240V \/ 380V \/ 400V \/ 415V \/ 440V \/ 480V AC<\/strong><\/p>\n

the system can be customized according to different countries, industries and engineering projects.<\/p>\n

\n

How Does a 500KVA Automatic Voltage Regulator Work?<\/h2>\n

The 500KVA AVR uses an automatic servo motor regulation system to detect voltage changes in real time.<\/p>\n

When input voltage becomes unstable:<\/p>\n

Low Voltage Condition<\/h3>\n

The AVR automatically increases the output voltage to maintain normal operation.<\/p>\n

High Voltage Condition<\/h3>\n

The system reduces the output voltage to protect connected equipment.<\/p>\n

Stable Voltage Output<\/h3>\n

The regulator continuously adjusts the voltage range to provide reliable power quality.<\/p>\n

Combined with the built-in isolation transformer, the system also helps:<\/p>\n

    \n
  • Reduce electrical interference<\/li>\n
  • Improve power cleanliness<\/li>\n
  • Protect sensitive equipment<\/li>\n
  • Enhance electrical safety<\/li>\n<\/ul>\n
    \n

    KEY TECHNICAL SPECIFICATIONS<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
    Capacity<\/td>\n500KVA<\/td>\n<\/tr>\n
    Product Type<\/td>\nThree Phase Automatic Voltage Regulator AVR \/ High Power Industrial Voltage Stabilizer<\/td>\n<\/tr>\n
    Input Voltage<\/td>\n110V \/ 120V \/ 208V \/ 220V \/ 230V \/ 240V \/ 380V \/ 400V \/ 415V \/ 440V \/ 480V AC Customized<\/td>\n<\/tr>\n
    Output Voltage<\/td>\nCustomized According to Project Requirements<\/td>\n<\/tr>\n
    Phase<\/td>\nThree Phase<\/td>\n<\/tr>\n
    Control Type<\/td>\nAutomatic Servo Motor Voltage Regulation System<\/td>\n<\/tr>\n
    Isolation Transformer<\/td>\nBuilt-in Isolation Transformer Integrated Design<\/td>\n<\/tr>\n
    Frequency<\/td>\n50Hz \/ 60Hz<\/td>\n<\/tr>\n
    Voltage Accuracy<\/td>\n\u00b11% \u2013 \u00b13%<\/td>\n<\/tr>\n
    Protection Functions<\/td>\nOver Voltage, Under Voltage, Overload, Short Circuit, Over Temperature Protection<\/td>\n<\/tr>\n
    Cooling Method<\/td>\nAir Self-Cooling \/ Forced Air Cooling Optional<\/td>\n<\/tr>\n
    Insulation Class<\/td>\nF \/ H Class<\/td>\n<\/tr>\n
    Winding Material<\/td>\nPure Copper Winding Optional<\/td>\n<\/tr>\n
    Standard<\/td>\nIEC Standard Industrial Design<\/td>\n<\/tr>\n
    \u5e94\u7528<\/td>\nFactory Main Power System, Heavy Machinery, CNC Equipment, Industrial Automation, Manufacturing Plant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

    Main Advantages of Voltnex 500KVA Industrial AVR<\/h2>\n

    1. High Power Capacity for Large Industrial Loads<\/h3>\n

    Unlike small commercial voltage stabilizers, the 500KVA AVR is designed for large-scale electrical systems.<\/p>\n

    It provides reliable voltage stabilization for:<\/p>\n

      \n
    • Manufacturing plants<\/li>\n
    • Industrial factories<\/li>\n
    • Production workshops<\/li>\n
    • Large motors<\/li>\n
    • Heavy processing equipment<\/li>\n
    • Automated production lines<\/li>\n<\/ul>\n

      The high-capacity design allows multiple industrial machines to operate under a more stable power environment.<\/p>\n

      \n

      2. Built-in Isolation Transformer for Enhanced Power Quality<\/h2>\n

      The integrated isolation transformer provides additional protection compared with standard voltage regulators.<\/p>\n

      Main benefits:<\/p>\n

      Electrical Isolation<\/h3>\n

      Separates input and output circuits to improve system safety.<\/p>\n

      Noise Reduction<\/h3>\n

      Reduces electrical interference caused by unstable power sources.<\/p>\n

      Equipment Protection<\/h3>\n

      Helps protect:<\/p>\n

        \n
      • CNC controllers<\/li>\n
      • Servo systems<\/li>\n
      • PLC equipment<\/li>\n
      • Industrial electronics<\/li>\n<\/ul>\n

        Stable Power Environment<\/h3>\n

        Improves overall power quality for sensitive industrial applications.<\/p>\n

        \n

        3. Heavy Duty Industrial Structure<\/h2>\n

        The 500KVA AVR is manufactured for demanding industrial environments.<\/p>\n

        Features include:<\/p>\n

        \u2714 Strong cabinet structure
        \u2714 High-quality electrical components
        \u2714 Reliable transformer design
        \u2714 Easy maintenance access
        \u2714 Long service life<\/p>\n

        Suitable for continuous operation in:<\/p>\n

          \n
        • Factories<\/li>\n
        • Industrial plants<\/li>\n
        • Processing facilities<\/li>\n
        • Manufacturing centers<\/li>\n<\/ul>\n
          \n

          4. Advanced Protection System<\/h2>\n

          The system provides multiple protection functions:<\/p>\n

          Over Voltage Protection<\/h3>\n

          Prevents excessive voltage from damaging equipment.<\/p>\n

          Under Voltage Protection<\/h3>\n

          Maintains equipment operation during insufficient voltage conditions.<\/p>\n

          Overload Protection<\/h3>\n

          Protects the AVR system under abnormal loading conditions.<\/p>\n

          Short Circuit Protection<\/h3>\n

          Improves electrical safety.<\/p>\n

          Temperature Protection<\/h3>\n

          Helps ensure safe operation under heavy loads.<\/p>\n

          \n

          500KVA AVR Price & Purchasing Factors<\/h2>\n

          The price of a 500KVA Three Phase Automatic Voltage Regulator AVR with Isolation Transformer<\/strong> depends on different technical configurations.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          Price Factor<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
          Rated Capacity<\/td>\n500KVA high power industrial voltage regulation capacity<\/td>\n<\/tr>\n
          Voltage Configuration<\/td>\nDifferent input and output voltage requirements from 110V to 480V affect the final configuration<\/td>\n<\/tr>\n
          Isolation Transformer Design<\/td>\nIntegrated isolation transformer specifications and protection requirements<\/td>\n<\/tr>\n
          Winding Material<\/td>\nCopper winding or aluminum winding options according to customer requirements<\/td>\n<\/tr>\n
          Control System<\/td>\nStandard AVR control panel or customized intelligent monitoring system<\/td>\n<\/tr>\n
          Cabinet Structure<\/td>\nIndustrial cabinet design, protection level and customized enclosure options<\/td>\n<\/tr>\n
          Protection Functions<\/td>\nAdditional safety functions including overload, temperature and voltage protection<\/td>\n<\/tr>\n
          Order Quantity<\/td>\nFactory wholesale pricing available for distributors, contractors and industrial projects<\/td>\n<\/tr>\n
          Customization Service<\/td>\nOEM\/ODM solutions including electrical design, branding and project requirements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

          Voltnex Power provides:<\/p>\n

            \n
          • Factory direct price<\/li>\n
          • Engineering recommendation<\/li>\n
          • Customized solution<\/li>\n
          • Export packaging<\/li>\n
          • Technical documentation<\/li>\n<\/ul>\n
            \n

            Why Buy 500KVA AVR Directly from China?<\/h2>\n

            Competitive Factory Pricing<\/h3>\n

            Purchasing directly from a Chinese manufacturer provides significant advantages:<\/p>\n

            \u2714 Lower production cost
            \u2714 Better wholesale pricing
            \u2714 Direct engineering communication
            \u2714 Faster customization
            \u2714 Reduced middleman cost<\/p>\n

            \n

            Professional China Electrical Manufacturer<\/h2>\n

            Voltnex Power specializes in manufacturing:<\/p>\n

              \n
            • Automatic Voltage Regulator AVR<\/li>\n
            • Industrial Voltage Stabilizer<\/li>\n
            • Isolation Transformer<\/li>\n
            • Dry Type Transformer<\/li>\n
            • Power Quality Equipment<\/li>\n<\/ul>\n

              Our products are designed for:<\/p>\n

                \n
              • Industrial factories<\/li>\n
              • Engineering contractors<\/li>\n
              • Equipment manufacturers<\/li>\n
              • Global distributors<\/li>\n<\/ul>\n
                \n

                OEM & ODM Customization Service<\/h2>\n

                Different countries and projects have different requirements.<\/p>\n

                Voltnex Power provides:<\/p>\n

                Electrical Customization<\/h3>\n
                  \n
                • Input voltage<\/li>\n
                • Output voltage<\/li>\n
                • Frequency<\/li>\n
                • Transformer capacity<\/li>\n
                • Copper winding<\/li>\n<\/ul>\n

                  Mechanical Customization<\/h3>\n
                    \n
                  • Cabinet size<\/li>\n
                  • Terminal design<\/li>\n
                  • Cooling system<\/li>\n
                  • Protection level<\/li>\n<\/ul>\n

                    Business Customization<\/h3>\n
                      \n
                    • OEM branding<\/li>\n
                    • Distributor cooperation<\/li>\n
                    • Project supply<\/li>\n<\/ul>\n
                      \n

                      Applications of 500KVA Industrial Voltage Stabilizer<\/h2>\n

                      Manufacturing Factory Power System<\/h3>\n

                      Used for:<\/p>\n

                        \n
                      • Production facilities<\/li>\n
                      • Assembly lines<\/li>\n
                      • Industrial workshops<\/li>\n<\/ul>\n
                        \n

                        Heavy Machinery Industry<\/h3>\n

                        Suitable for:<\/p>\n

                          \n
                        • Metal processing machines<\/li>\n
                        • Large motors<\/li>\n
                        • Industrial equipment<\/li>\n
                        • Mining machinery<\/li>\n<\/ul>\n
                          \n

                          CNC Manufacturing<\/h3>\n

                          Provides stable power for:<\/p>\n

                            \n
                          • CNC machining centers<\/li>\n
                          • Precision processing equipment<\/li>\n
                          • Automated machine tools<\/li>\n<\/ul>\n
                            \n

                            Automation Systems<\/h3>\n

                            Suitable for:<\/p>\n

                              \n
                            • Industrial robots<\/li>\n
                            • PLC systems<\/li>\n
                            • Smart manufacturing equipment<\/li>\n<\/ul>\n
                              \n

                              Recommended Equipment Applications<\/h2>\n

                              The 500KVA AVR is commonly used with:<\/p>\n

                                \n
                              • CNC machine tools<\/li>\n
                              • Laser cutting machines<\/li>\n
                              • Injection molding machines<\/li>\n
                              • Industrial compressors<\/li>\n
                              • Welding equipment<\/li>\n
                              • Packaging production lines<\/li>\n
                              • Factory automation systems<\/li>\n<\/ul>\n
                                \n

                                Project Case Studies<\/h2>\n

                                Case Study 1: Automotive Parts Factory \u2013 Mexico<\/h3>\n

                                Customer Background<\/h4>\n

                                An automotive parts manufacturer experienced unstable grid voltage affecting CNC machining accuracy.<\/p>\n

                                Solution<\/h4>\n

                                Voltnex supplied:<\/p>\n

                                500KVA Three Phase AVR with Built-in Isolation Transformer<\/strong><\/p>\n

                                Configuration:<\/p>\n

                                  \n
                                • Input: 480V<\/li>\n
                                • Output: 480V<\/li>\n
                                • Three Phase System<\/li>\n
                                • Heavy Duty Cabinet<\/li>\n<\/ul>\n

                                  Results<\/h4>\n

                                  \u2714 Improved CNC machine stability
                                  \u2714 Reduced production interruption
                                  \u2714 Protected expensive equipment<\/p>\n

                                  \n

                                  Case Study 2: Metal Processing Plant \u2013 Brazil<\/h3>\n

                                  Customer Requirement<\/h4>\n

                                  A metal processing factory needed stable voltage protection for heavy production equipment.<\/p>\n

                                  Solution<\/h4>\n

                                  Provided:<\/p>\n

                                  500KVA Industrial Voltage Stabilizer System<\/p>\n

                                  Including:<\/p>\n

                                    \n
                                  • Automatic voltage regulation<\/li>\n
                                  • Isolation transformer<\/li>\n
                                  • Customized protection system<\/li>\n<\/ul>\n

                                    Results<\/h4>\n

                                    \u2714 Stable production operation
                                    \u2714 Reduced equipment failures
                                    \u2714 Improved power quality<\/p>\n

                                    \n

                                    Why Choose Voltnex Power?<\/h2>\n

                                    Voltnex Power is a professional manufacturer specializing in industrial power solutions.<\/p>\n

                                    Our advantages:<\/p>\n

                                    \u2705 China Factory Direct Supply
                                    \u2705 High Power AVR Manufacturing
                                    \u2705 OEM & ODM Capability
                                    \u2705 Customized Voltage Solutions
                                    \u2705 Global Export Experience
                                    \u2705 Technical Support Service<\/p>\n

                                    We provide solutions for customers worldwide including:<\/p>\n

                                    USA, Canada, Mexico, Brazil, Chile, Colombia, Europe, Middle East, Africa and Asia.<\/p>\n

                                    \n

                                    Frequently Asked Questions (FAQ)<\/h2>\n

                                    1. What is a 500KVA AVR voltage regulator?<\/h3>\n

                                    A 500KVA AVR is an industrial device that automatically stabilizes voltage for large electrical systems.<\/p>\n

                                    2. Does this model include an isolation transformer?<\/h3>\n

                                    Yes, the product can integrate an isolation transformer for improved power protection.<\/p>\n

                                    3. What voltage ranges are available?<\/h3>\n

                                    110V to 480V AC voltage configurations can be customized.<\/p>\n

                                    4. Is it suitable for factory main power systems?<\/h3>\n

                                    Yes, it is designed for large industrial power applications.<\/p>\n

                                    5. Can copper winding be supplied?<\/h3>\n

                                    Yes, copper winding options are available.<\/p>\n

                                    6. What industries use this product?<\/h3>\n

                                    Factories, CNC manufacturing, automation, heavy industry and processing plants.<\/p>\n

                                    7. Does Voltnex provide OEM service?<\/h3>\n

                                    Yes, OEM and ODM services are available.<\/p>\n

                                    8. What is the production time?<\/h3>\n

                                    Production time depends on specifications and order quantity.<\/p>\n

                                    9. Can Voltnex ship worldwide?<\/h3>\n

                                    Yes, global export service is available.<\/p>\n

                                    10. How can I get a quotation?<\/h3>\n

                                    Send your voltage requirement, application and quantity for a customized quotation.<\/p>\n

                                    \n

                                    Our Commitment To Global Industrial Customers<\/h2>\n

                                    At Voltnex Power<\/strong>, we are committed to providing reliable, customized and high-performance power solutions for industrial customers, electrical contractors, system integrators and distributors worldwide.<\/p>\n

                                    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<\/strong> for demanding applications.<\/p>\n

                                    Our commitment includes:<\/p>\n

                                    \ud83d\udce6 Global Fast Shipping & Export Support<\/strong>
                                    Reliable international logistics service, professional export packaging and project delivery support for customers worldwide.<\/p>\n

                                    \ud83d\udcde 24\/7 Technical Support & Engineering Assistance<\/strong>
                                    Professional technical guidance, product selection support and application solutions from our experienced engineering team.<\/p>\n

                                    \ud83d\udcc4 Complete Technical Documentation Available<\/strong>
                                    Datasheets, specifications, wiring diagrams and customized technical documents are available upon request.<\/p>\n

                                    \ud83c\udfed OEM & ODM Manufacturing Service<\/strong>
                                    Flexible customization including voltage configuration, transformer design, cabinet structure, copper winding options and customized industrial solutions.<\/p>\n

                                    \ud83c\udf0e Worldwide Industrial Power Solutions<\/strong>
                                    Serving customers across USA, Canada, Mexico, Brazil, Chile, Colombia, Europe, Middle East, Asia, Africa and global industrial markets.<\/p>\n

                                    \n

                                    Voltnex Power \u2013 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.<\/strong><\/p>\n\n

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