This product is suitable for an environment with coal mine gas, coal dust, and other explosive gases underground, to logically control the start, stop and double-speed of the three-phase AC asynchronous motor or AC double-winding motor in the circuit of AV 1140V or 660V. And it has a joint control function.

•The device takes the microcomputer as the control core to monitor and control the running state in real time, also various kinds of protection functions can be realized reliably

•With the function of local control as well as intrinsically safe and remote control

•With the function of menu type operation, large- screen LCD display, fault event recording, and inquiry, etc.

With the function of multiple online uses

Protection functions

With the multiple protection functions as short circuit, overload, leakage and open-phase

Rated operating voltage: 660 or 1140V Rated operating current: 200A (Single loop)