Conforms to IEC 61643-11, Available in Type 2 and Type 1+2, Type 2 : Protection against indirect lightning and switching surges- Maximum Discharge Current - Imax up to 70kA, Type 1+2 : Protection against direct and indirect lightning surges- Maximum Discharge Current - Imax up to 100kA
Due to the combination of three power varistors, the overvoltage protection required for the inverters is implemented on the DC side. On the AC side, the overvoltage protection can be ensured using surge arresters type 2 (5SD7422-/5SD7424-)