FIELD: electrical engineering.
SUBSTANCE: ventilation device (1) is provided with at least one blocking element (A, B) for securing the ventilation device to section (3) of the cabinet wall that has the front and rear side. Ventilation device (1) is adapted to be inserted without pressure into opening (51) of the wall section from the front side, and the blocking element (A, B) in the introduced state is adapted to be displaced towards the rear side of the wall section.
EFFECT: technical result is to provide a more reliable design of the blocking element.
16 cl, 7 dwg
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