AC 3PHASE INVERTER,S BREAKER INSTALLATION























please install a mccb which is compatible to the inverter' capacity .

1  . the capacity of mccb should be 1.5-2 multiples of the inverter's rated current . mccb's time characterics
shall satisfy the inverter's overload protection characteristics (150% of the rated current /minute' 180% of the rated current/2 second )

2  . when mccb is shared by two or above motors or other equipment ' please connect according to the below fig . connect the fault output relay contact of the inverter to the power supply contactor and cut off the
input power supply .