... Function 1,Protect function:Overload,phase failuer,block,three phase current unbalance,under-voltahe etc.2,Error display:With phase ... ), overload display(when the mo tor working current exceed the rated operating current,the protector inside circuit will deliver a 2S ... the motor.4,Set function:Can set the rated current value and over-current protect delayingtime on site Normal Service Condition 1, ...