ERLPhase Power Technologies is a ISO 9001:2015 manufacturer of digital protection relays and power system recorders with a global customer base. KINGSINE focuses on researching and developing, producing, and selling Protection Relay Test Sets, CT Analyzers, Reference Power Sources and Calibrators, Voltage and Current Amplifiers, Electricity Monitoring Systems, and other Instrumentation. Our electrical test equipment has achieved CE and UL. Protection relays play a key role in modern energy systems. This is why protection relays must undergo thorough tests. At GK Expertise, we provide comprehensive relay testing services in Africa, supporting utilities, substations, railways, industries, and EPC contractors with advanced protection, maintenance, and commissioning solutions. With a team of highly skilled and certified relay testing engineers, we ensure. Electrical testing and measurement importer, supplier, distributor, dealer, trader, manufacturer's trade partner, manufacturer's representative Testing IDMT curve with the protection relay test system MP3000A and MPWIN Relay test software Recently we conducted a demonstration of the protective. The DDG Primary Current Injector Test Set is a high-current test device used to generate controlled large currents for safety testing, CT calibration, temperature-rise and. communication with computers and other external devices. Comprehensive Self- Protection.