Siemens Reyrolle 7SR23 Protection Relay – High Impedance Protection
The Siemens Reyrolle 7SR23 Relay is a high-performance numerical protection device designed for overcurrent and earth fault protection in modern power systems. With Siemens’ advanced engineering, it ensures fast and accurate fault detection, improved system stability, and long-term reliability. Ideal for industrial, commercial, and utility networks, it combines robust design with user-friendly configuration and IEC 61850 communication options
Technical Specifications
Overall Differential Protection (87/50G)
Restricted Earth Fault Protection (87REF)
Earth Fault (50G)
CT Supervision (CT50)
Fault Clearance Monitor (87/50BF)
Instrumentation and Monitoring
IEC 61850 Communication Option
Eight Setting Groups
Password Protection
Self-Monitoring
Fault, Event & Waveform Records
Restricted Earth Fault Protection (87REF)
Earth Fault (50G)
CT Supervision (CT50)
Fault Clearance Monitor (87/50BF)
Instrumentation and Monitoring
IEC 61850 Communication Option
Eight Setting Groups
Password Protection
Self-Monitoring
Fault, Event & Waveform Records
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