CE,ISO9000 certification, single phase 220V AC inverter 0.75KW inverter VVVF control, ... 1 minutes,180% Rated Current for 1 secondInputRated Voltage/Frequencythree-phase 380V,50/60HzAC voltage permit fluctuate rangeVoltage:-20% ~ + ... with master-slave multi-devices linkage functionRunning functionCommand modeOperated by three mode: digital panel, control terminal, serial portFrequency setting ...