Abstract: The application relates to an electrical apparatus such as an inverter or other electrical apparatus. The apparatus includes a cabinet having multiple cabinet sections, each cabinet section enclosing cabinet-specific electrical arrangement. The apparatus further includes cooling arrangement cooling, the cooling arrangement includes at least one air intake for external air, at least one primary element for filtering the incoming air, at least one fan and at least one air outlet, wherein the fan is arranged cause airflow towards the air outlet. The cooling arrangement includes a cooling air flowpath from a first cabinet section to a second cabinet section, and a secondary element for filtering the cooling air entering the second cabinet section, and an additional fan for creating cooling air airflow into and out from the second cabinet section.