KINGSINE Electric Automation Co., Ltd.

Specialize in the R&D, production, and sales of a wide range of electrical testing equipment, including Protection Relay Test Sets, CT Analyzers, Reference Power Sources and Calibrators, Voltage and Current Amplifiers, Electricity Monitoring Systems.
Over 13,000 units of KINGSINE relay testers are running and highly praised in over 90 countries such as USA, Canada, UK, Switzerland, France, Italy, Austria, 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 testers are compatible with world-famous relay protection devices like ABB, SIEMENS, ALSTOM, MITSUBISHI, Schneider, AREVA, SEL, GE,etc.