ERS provides turnkey solutions for maintaining and testing electromechanical, solid-state, and microprocessor-based relays, as well as IEC 61850 IEDs, relay panels, and distributed protection systems. Customers can participate in the on-site inspection of the performance and quality of the manufacturing process, raw materials, and parts, and participate in the product delivery test for delivery acceptance. ABB's knowledge and experience are not limited to relays only, full support for all protection and control relays throughout their entire life cycle. Our extensive life cycle services include training. Our relay test and management software (RTMS) has a solution available for any job requirements, exceeding your expectations. Even our advanced relay test modules remain intuitive enough to. Working with our Vertiv Sales team enables complex designs to be configured to your unique needs. Relays that have gone through. IEC61850 Digital Substation Testing With 15 years experience in IEC61850 digital substation testing, KINGSINE portable relay testers are designed for comprehensive testing in both traditional and digital substations, including MU and IEC61850 compliant IEDs. Protection Relay Test Set/Kit KINGSINE.