Applicable to underground coal mines with dangerous explosive methane gas in the threephase circuit of AC50 Hz, rated voltage 10kV, 6kV, 3.3kV, rated current up to 630A withneutral point not directly grounded power supply system to protect direct start of highvoltage motor. The starter adopts microcomputer relay protection and monitoring devicewith stable performance, high anti-interference ability, standard RS485 communicationinterface to connect to KJ2000 mining electrical monitoring system to realize remoteautomatic control and equipment monitoring.
English backlight LCD display of real-time system voltage, three phase current, systemoperation condition etc.
Pull-down menu setting;
With functions of short circuit, overload, phase-loss, over-current, insulation monitoring,under-voltage, over-voltage etc.
Bolt type isolation switch, cart type module, quick-opening structure.
With energy metering function;
With fault memory and inquiry function.
With parameter setting password lock function;
Intelligent measuring and control protective device compatible with network integratedcommunication interface(RS485).