Attributes . 4 kW 220...230 V AC 50-60 Hz || 7.5 kW 380...400 V AC 50-60 Hz || 9 kW 415 V AC 50-60 Hz || 9 kW 440 V AC 50-60 Hz || 10 kW 500 V AC 50-60 Hz || 10 kW 660...690 V AC 50-60 Hz . Names