Standards: IEC 61095, IEC 60947-4-1 Number of poles: 2-pole, 4-pole Type of current: AC Frequency: 50/60 Hz Rated voltage Un: 230/400 V Rated current in AC-7 / AC-1 In: 10, 16, 20, 25, 32, 40, 63 A Control circuit voltage: 24, 230 V AC Degree of protection: IP20 with connected conductors