Reyrolle 7PG21 delivers proven pilot wire current differential protection for overhead lines, underground cables and short interconnectors. This robust system detects phase and earth faults quickly and accurately, ensuring dependable feeder protection.
Detect phase and earth faults within the protection zone to maintain system stability and prevent costly outages.
Relays and CTs at each end connect via pilot wires for straightforward setup, minimizing engineering effort and downtime.
Integrate optional pilot wire supervision to continuously monitor the health of your pilot circuits. This proactive approach helps maintain system reliability and ensures consistent protection of performance.
Operate on the current balance principle for high-speed tripping and minimal setting variation across pilot lengths.
Enable Solkor R or Rf mode, intertripping, and supervision functions for tailored protection across diverse feeders.
Optional pilot wire supervision alarms on open or short circuits without blocking protection, ensuring continuous security.