Attributes . 3-3 kW 400/415 V AC 50/60 Hz || 4-4 kW 400/415 V AC 50/60 Hz || 4-4 kW 500 V AC 50/60 Hz || 5.5-5.5 kW 500 V AC 50/60 Hz || 5.5-5.5 kW 690 V AC 50/60 Hz || 7.5-7.5 kW 690 V AC 50/60 Hz . Names