... , voltage 1140 V and the following circuit to control three-phase squirrel cage induction motor, directly or remote start-stop. ... switching function; 3. Starter with overload, short-circuit, breaking phase leakage atresia, less voltage, over-voltage protection, and other ... at all levels of power, operation, maintenance, flow, break phase, leakage, overload display; 5. Protective function of gas, wind ...