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Who are we?

ONOFF Electric Co., Inc

ONOFF Electric (Stock Code: 831564) is a high-tech enterprise that provides global customers with products and solutions in the field of green power conversion and applications, integrating R&D, manufacturing, sales, and services. Building on nearly 30 years of advanced electrical equipment manufacturing expertise and extensive experience in international collaboration, ONOFF continuously advances new-quality productive forces. The company focuses on the R&D and manufacturing of efficient and sustainable power conversion equipment, delivering customized application solutions for various industries and customers, and supporting the development of new power systems amid the global energy transition. The company’s product portfolio includes power electronic conversion systems, intelligent electrical control systems, energy storage systems, industrial environmental control systems, site energy equipment, as well as thermal management and power supply solutions for data centers, along with related components. Its products have obtained authoritative certifications such as China’s CQC, North America’s ETL, and the EU’s CE. ONOFF serves customers across Asia, Europe, North America, South America, and Oceania, covering 15 countries, including Fortune Global 500 companies and industry leaders. Leveraging its global R&D and manufacturing footprint, ONOFF delivers end-to-end services through OEM, ODM, and OBM models. With an advanced R&D–manufacturing–sales integrated system and a professional team, the company provides high-quality products and solutions to global customers, continuously creating value.

ONOFF ELECTRIC

PRODUCTS

Our products in related fields have received quality and safety certifications such as China's "CQC", North America's "ETL", and the European Union's "CE". Our clients are mostly Fortune 500 companies and industry leaders, with business spanning the continents of Asia, America and Europe, in 13 countries.

Converter series products

Photovoltaic inverter series products

3MW1GBT hydrogen power supply

IGBT power module

Main control cabinet series products

Cabin integration cabinet series products

The latest

News&Event

Now, it is conducting research and development, sales, and delivery of products for global customers in the new energy industry (wind power, energy storage, electric vehicle charging stations), and the communication industry; with dual research and development bases; establishing a global sales network

2026-05-28

Effective Cooling Solutions for Wind Turbine Nacelles: Optimizing Performance and Longevity

The nacelle of a wind turbine is a vital component that houses the generator, gearbox, and other essential machinery. As these components operate, they generate heat, which can negatively impact performance and longevity if not properly managed. This is where nacelle cooling systems become crucial. Effective cooling solutions not only optimize the performance of wind turbines but also ensure that

2026-05-25

What You Need to Know About Nacelle Cooling for Wind Turbine Efficiency

What You Need to Know About Nacelle Cooling for Wind Turbine Efficiency Table of Contents Understanding Nacelle Cooling in Wind Turbines The Importance of Nacelle Cooling for Efficiency How Nacelle Cooling Systems Work Types of Nacelle Cooling Technologies Factors Affecting Nacelle Cooling Efficiency Best Practices for Nacelle Cooling Management Innovations in Nacelle

2026-05-22

Understanding the Benefits and Features of 5MWh Air-Cooled DC Cabinets

When considering the implementation of a 5MWh air-cooled DC cabinet, it's essential to understand its design, functionality, and the multitude of benefits it offers within the power and distribution sector. These systems play a crucial role in managing electrical energy storage and distribution, particularly in environments where heat management is a concern. One of the primary advantages of a 5MW

2026-05-19

The Science Behind Wind Turbine Dehumidification Units and Their Functionality

The Science Behind Wind Turbine Dehumidification Units and Their Functionality Wind energy is one of the fastest-growing sources of renewable energy worldwide. As the reliance on wind power increases, the importance of maintaining the efficiency and longevity of wind turbines becomes paramount. One crucial yet often overlooked aspect of wind turbine maintenance is the management of humidity within

ONOFF ELECTRIC