About Us

Mega-Phase was founded in Shanghai, China, in 2014 and is a leading provider of residual current testing products and solutions. It focuses on the design, development, manufacturing, and sale of key chips and test equipment for residual current protection. After years of specialization in the industry, the company has supplied residual current test equipment to renowned testing organizations including TÜV Rheinland, the Shanghai Electrical Apparatus Research Institute, the Suzhou Electrical Apparatus Science Research Institute, and KETOP Testing, maintaining close, long-term partnerships with them. In 2017, Mega-Phase entered the low-voltage electrical and electric vehicle charging-facility industries. After three years of development, its products served customers across China, from Changchun in the north to Shenzhen in the south and Xi’an in the west.

Mega-Phase has obtained three patents and two software copyrights, received Shanghai certification as a dual-software enterprise, and serves as an innovation practice base for Shanghai Jiao Tong University. Mega-Phase values the user experience, listens to customers, focuses on changing trends in specialized markets, and continuously improves its technology and services. It strives for zero failures in residual current protection and aims to establish Mega-Phase as a preferred brand in residual current protection worldwide.