Reyrolle 7SR57 motor protection devices safeguard your motors during all starting and running sequences. These devices ensure operational continuity and equipment longevity with robust protection functions and standard IEC 61850 Ethernet communications. Protect your critical motor assets from damage and operational disruptions. Our devices provide advanced protection functions, enhanced communications and cybersecurity. Benefit from a thermal algorithm that precisely matches motor characteristics, enabling accurate thermal monitoring. Use comprehensive thermal monitoring with support for up to 16 plant temperature sensors. Gain enhanced protection for large motors with motor differential protection (87M), ensuring equipment reliability.