Over-current protection relay Reyrolle 7SR51

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The Reyrolle 7SR511 overcurrent device includes a wide range of protection functions and IEC 61850 Ethernet communications as standard. Features & functions The large LCD, tactile pushbuttons and programmable LEDs provide a user-friendly product interface and the relay element is withdrawable for easy replacement. To further minimize the product variants the power supply and the binary inputs with configurable binary input threshold cover the full operating range. The Reyrolle 5 is designed for the electricity networks of the future with enhanced communications and cybersecurity while maintaining a user-friendly interface and easy product management. The Reyrolle 7SR51 overcurrent device includes a wide range of protection functions and IEC 61850 Ethernet communications as standard. To further minimize the product variants the power supply and the binary inputs cover the full operating range with configurable binary input thresholds. The large LCD, tactile pushbuttons and programmable LEDs provide a user-friendly product interface and the relay element is withdrawable for easy replacement. Inputs and outputs Current inputs – 4 or 5 Voltage inputs – 0 or 4 Binary inputs (max) – 39 Binary outputs (max) incl. healthy contact – 20 Arc flash detector inputs (AFD) – 0 or 3 Heavy duty binary outputs (HDBO) – 0 or 4 High speed binary outputs (HSBO) – 0 or 3 Temperature sensor inputs (TSI) – 0 or 8 Communication Standard front USB port (for configuration using Reydisp Manager 2, a PC based software tool) rear RS485, 2 x RJ45 electrical ports or optional optical Ethernet connections.