About PowerNex

Industrial Power Equipment Manufacturer with Wide Capacity & Voltage Range

PowerNex is a professional industrial power equipment manufacturer and electrical solution provider, specializing in the design and production of power transformers, isolation transformers, voltage regulators, variable voltage transformers, motor control centers (MCC), variable frequency drives (VFD), electrical control panels, and power distribution systems.

PowerNex products support a broad range of capacity, voltage, and system configurations, covering 1 kVA to 40 MVA, single-phase and three-phase systems, with input voltages from 110V to 35kV, and output voltages including 120V, 208V, 220V, 380V, 400V, 415V, 480V, as well as fully customized ratings. Frequency options include 50Hz and 60Hz, making them suitable for both local and international power grids.

We provide dry-type and oil-immersed transformers, automatic voltage regulators (AVR), industrial variable voltage transformers, MCC panels, VFD drive systems, and custom-built electrical control and power distribution panels, engineered for continuous operation in demanding industrial and infrastructure environments.

Backed by in-house engineering, flexible manufacturing capabilities, and strict quality control, PowerNex delivers both standard models and project-based customized solutions for industrial manufacturing, utilities, renewable energy, data centers, water treatment, mining, oil & gas, and commercial infrastructure projects worldwide.

All PowerNex equipment is manufactured in compliance with IEC, ANSI, IEEE, and relevant international electrical standards, ensuring stable performance, operational safety, and long-term reliability across a wide range of electrical conditions.

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Industrial power equipment system with oil-immersed transformer, automatic voltage stabilizer (AVR), variable frequency drive (VFD) and isolation transformer by PowerNex, leading Chinese manufacturer for global markets

International Certifications & Compliance Standards

All PowerNex products are engineered and manufactured in compliance with internationally recognized electrical and safety standards. Our power transformers, voltage regulators (AVR), variable frequency drives (VFD), isolation transformers, and power distribution equipment are designed to meet the requirements of IEC, ANSI, and IEEE standards, and are manufactured in accordance with applicable CE, UL, and CSA conformity guidelines, ensuring safe operation, stable performance, and long-term reliability.

From raw material selection and component qualification to final assembly and factory testing, PowerNex follows a strict quality management and compliance process. Each product undergoes routine inspection and functional testing to ensure compatibility with global power systems and regulatory expectations across industrial, utility, and commercial applications.

With a compliance-driven engineering approach, PowerNex supports customer projects in North America, Europe, and other international markets, helping simplify approvals, reduce project risk, and deliver dependable power solutions that meet global certification and safety expectations.

UL-certified power transformer manufacturing factory in China providing OEM and wholesale voltage regulation solutions, supplying industrial and utility power equipment to the USA, Canada, Australia, Spain, Brazil, Argentina, Venezuela, Mexico, Guyana, South Africa, Indonesia, Nigeria, and global markets – PowerNex
UL-certified power transformer manufacturing factory in China providing OEM and wholesale voltage regulation solutions, supplying industrial and utility power equipment to the USA, Canada, Australia, Spain, Brazil, Argentina, Venezuela, Mexico, Guyana, South Africa, Indonesia, Nigeria, and global markets – PowerNex
CSA-certified power transformer and voltage regulation systems manufactured in a China-based factory for reliable operation in Canadian power networks, supporting wholesale and project-based supply to Canada, the USA, Australia, Spain, Brazil, Argentina, Venezuela, Mexico, Guyana, South Africa, Indonesia, Nigeria, and global markets – PowerNex
CE-certified power transformer and voltage regulation equipment manufactured in a China-based factory, designed to IEC standards for industrial and utility applications, supporting wholesale and global supply to the USA, Canada, Australia, Spain, Brazil, Argentina, Venezuela, Mexico, Guyana, South Africa, Indonesia, and Nigeria – PowerNex

Comprehensive Power Transformer, Voltage Regulation & Electrical Equipment Portfolio

PowerNex industrial and commercial power and electrical equipment portfolio, including transformers, voltage regulators, and motor control systems, for global applications in the USA, Canada, Australia, Germany, France, UK, Brazil, and Argentina.PowerNex industrial and commercial power and electrical equipment portfolio, including transformers, voltage regulators, and motor control systems, for global applications in the USA, Canada, Australia, Germany, France, UK, Brazil, and Argentina.

Comprehensive Power & Electrical Equipment Portfolio

PowerNex offers a complete range of industrial power and electrical equipment designed for reliable operation across diverse voltage levels, capacities, and application environments.

Transformer Solutions

  • Dry-Type Power Transformers

  • Oil-Immersed Distribution Transformers

  • Electric Power & Substation Transformers

  • Isolation Transformers

  • Pole-Mounted Transformers

  • Pad-Mounted Transformers

Voltage Regulation & Power Quality

  • Automatic Voltage Regulators (AVR)

  • Industrial Variable Voltage Regulators

Motor Control & Drive Systems

  • Variable Frequency Drives (VFDs)

All products are available in standard configurations or fully customized designs to meet specific electrical, environmental, and project requirements.

In-house manufacturing facility for power transformers, isolation transformers, voltage regulators, MCC panels, and VFD systems, covering 1 kVA to 5000 kVA, 110V to 35kV, single-phase and three-phase, 50Hz and 60Hz industrial power equipment under strict quality control.

Manufacturing & Quality Assurance

PowerNex operates in-house manufacturing facilities for industrial power equipment, supported by standardized production processes and experienced electrical engineers and technicians. From raw material sourcing and component qualification to transformer assembly, control panel wiring, and final inspection, every stage of manufacturing follows a strict quality management system. Advanced production equipment, calibrated tools, and controlled workshop environments are implemented to ensure dimensional accuracy, electrical reliability, and process consistency. This comprehensive approach ensures consistent quality, stable electrical performance, and long service life for power transformers, voltage regulators, MCC panels, VFD systems, and power distribution equipment.

Before shipment, all PowerNex products undergo comprehensive factory testing and inspection to verify compliance with design specifications and operational requirements. Testing procedures include routine electrical tests, insulation and dielectric strength tests, functional and performance verification, as well as load and operational checks under simulated working conditions. Detailed test records and inspection reports are maintained for full quality traceability and customer reference. All tests are conducted in accordance with IEC, ANSI, IEEE, and other applicable international standards, ensuring safe operation, voltage stability, and reliable performance in real-world industrial and infrastructure applications.