1,Power range 0.25-2.2KW,220V; 0.4-400KW,380V ... ,CE,ISO certification approved Main feature1,The powerful inverter for fan positive/negative logic switch input signal for option2,45KW or ... ,Built-in PID regulator 5,Continuous operation function at momentary power failure 6,Perfect fault protection and auto current limit 7 ... 0.25-2.2KW 0.4-400KW powerful inverter for fan, pump water inverter