Frequency inverter, Input: Voltage 3 x 380-500 V, Frequency 50/60 Hz, Current 60 A, Output: Voltage 3 x 0-Uin, Frequency 0-1000 Hz, Current 44 A - 61 A, Apparent power 43.8 kVA, Chassis: IP 20 degree of protection, Ambient Temperature (Tamb): Max 40/45°C