Established in 1999, Kingsine Electric Automation Co., Ltd. has been dedicated to develop and manufacture innovative and highly reliable electrical testing equipment. KINGSINE's product line includes Protection Relay Test Sets, CT Analyzers, Reference Power Sources and Calibrators, Voltage and Current Amplifiers, Electricity Monitoring Systems, and Instrumentation.

Over 13,000 units of KINGSINE relay testers are running and highly praised in over 90 countries such as USA, Germany, France, Canada, Italy, Japan, Dubai, Australia etc. KINGSINE has successfully served clients including ABB/EATON/GE/SEL/SIEMENS/SGS/SCHNEIDER/EMERSON/SAMSUNG/KEPCO/HITACHI/MITSUBISHI/WEG etc.

KINGSINE's products not only achieve globally recognized certifications such as CE and UL, but also come with a 3-year free warranty and a targeted product lifespan of over 15 years. 

KINGSINE Protection Relay Test Sets are compatible with world-renowned relay protection devices such as ABB, SIEMENS, ALSTOM, MITSUBISHI, Schneider, AREVA, SEL, GE, and others. To better serve customers, KINGSINE have established a distribution network with partners in the Americas, Europe, Asia, the Middle East, and other countries, providing comprehensive services to meet the needs of clients.

Kingsine Electric

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