The Reyrolle 7SR51 overcurrent device provides comprehensive overcurrent and feeder protection for electricity networks. Use it in medium voltage substations or as backup protection for lines, transformers, generators, motors and busbars.

Modern electricity networks require enhanced communication and cybersecurity and simply management. The Reyrolle 7SR51 integrates a wide range of protection functions and IEC 61850 Ethernet communications. Protect your assets and maintain network stability with advanced, secure features.

Minimize product variants with a power supply and binary inputs covering the full operating range, simplifying inventory and maintenance. Operate easily with its user-friendly interface, large LCD and tactile pushbuttons. Its withdrawable design enables quick replacement to reduce downtime.