The Relay Retrofit Program allows you to improve your protection system by implementing additional functionality, for instance, by adding an optional arc flash protection. The program provides a controlled and repeatable procedure for replacing the existing protection relays with. ABB's relay retrofit solutions enable a smooth, planned migration from legacy relays to modern protection technology, enhancing performance while preserving existing infrastructure. Whether driven by obsolescence, system expansion, or digitalization goals, our approach ensures a seamless upgrade. Why Should You Choose SEL Relays for Your System Upgrade? SEL protective relays offer high-speed, secure, and dependable fault detection; accurate fault locating; robust event reporting; and comprehensive automation and control functions. R&B Switchgear Group offer a wide range of protection relay retrofit solutions, which are designed to extend asset lifecycle, whilst also improving the performance and. Building a robust relay retrofit roadmap multi site plan has become crucial for organizations that want to ensure reliability, maintain uptime, enable smarter automation, and prepare for digitalization initiatives across all locations. You enter the data, such as the product designation, of the protection device to be replaced and receive a suitable recom-mendation for a new device from the extensive Siemens port-folio.