The product equipped with high-performance PLC that dedicate to serve the feeder switch to protect and monitor. The product has various protection functions such as overload, short-circuit, leakage interlock, leakage protection, under voltage, over voltage, three-phase imbalance,
gas interlock, interlocked circuit breaker, selective leakage protection, three-phase balanced protection, long distance short-circuit protection, communication networking. The product equips colorful man-machine interface and easy to established in network. Stable performances, sensitive protection, reliable reactions and high protection precision make the product become a perfect upgrade product for domestic mine digitization.