Standards: IEC 60898-1, IEC 60947-2 Rated current In: 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 A Rated voltage Un: 230/400 V AC Operational voltage: Min. 24 V AC, Max. 250/440 V AC Rated frequency: 50/60 Hz Rated insulation voltage: 500 V AC Number of poles: 1-pole, 2-pole, 3-pole, 4-pole Tripping characteristic: B, C, D Rated breaking capacity Icn: 3 kA, 4.5 kA, 6 kA Degree of protection: IP20, with connected conductors