Electrical Design according to IEC 60947-2 Rated voltage (Ue) 415V~ Rated current (In) 20 - 400A at 40°C Utilization category Cat A Rated insulation voltage (Ui) 690 V Frequency 50/60Hz Tripping mechanism Fixed thermal & magnetic Calibration Temp 40°C Degree of protection IP20 Electrical & mechanical endurance 10,000 operating cycles Pol Degree 3 Rated Impulse Voltage (Uimp) 6kV Ith I the =In
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