Reyrolle 7SR45 Non-Directional Overcurrent Relay

Why Reyrolle 7SR45?

The Reyrolle 7SR45 Argus is a non-directional overcurrent and earth fault protection relay. It provides reliable protection and advanced functionality for a range of power system configurations.

Protect your power systems from overcurrents and earth faults. The Reyrolle 7SR45 offers definite time and inverse time protection functions for sensitive and timely fault detection with modern hardware technology.

Keep you operations running smoothly with self-powered or dual-powered options. Rely on accurate, quick fault detection for improved system reliability. A compact design, front USB port and Reydisp Evolution PC Software integration streamline setup and maintenance.

Key benefits

Protect your system

Protect electrical systems from overcurrent and earth faults with precise, timely detection. Minimize downtime and prevent equipment damage while maintaining a stable, secure power network.

Improve efficiency

Optimize operational efficiency and control with enhanced security and remote capabilities. Flexible power and SCADA connectivity streamline relay monitoring and management. Respond faster to system events for improved control.

Simplify configuration and maintenance

Simplify maintenance and setup with an intuitive user interface. Navigation keys, an LCD and a front USB port limit the need to troubleshoot to save your team time and resources.

Featured capabilities

Comprehensive overcurrent protection

Implement definite and inverse time overcurrent and earth fault protection with 0.1 to 0.2 ⋅ I rated sensitivity for phase overcurrent. Expect reliable fault detection and system safety.

Flexible power and communication options

Power operation via CT, or add external auxiliary supply for robust security. Connect to SCADA systems via a dedicated port for remote monitoring and control to achieve adaptable integration for diverse network requirements.

User-friendly interface

Navigate easily using front fascia keys, an LCD and a front USB port. Choose between 4 current transformer inputs, up to 4 binary inputs and outputs and programmable LEDs.

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