Mining explosionproof vacuum feeder switch
Mining explosionproof vacuum feeder switch. The product equipped with highperformance PLC that dedicate to serve the feeder switch to protect and monitor. The product has various protection functions such as overload, shortcircuit, leakage interlock, leakage protection, under voltage, over voltage, threephase imbalance, gas interlock, interlocked circuit breaker, selective leakage