Air passage device for e.g. electrical cabinet, especially filter fan or outlet filter with/without fan, has electromagnetic compatibility screen plate with metal frame, screen grid, contact tongues

摘要

The device has a design cover (10) with a frame with a front panel with lamellas and/or air slits and a neck-like formation, a plate-shaped filter medium, a basic housing (20), an electromagnetic compatibility screening plate (30) with a metal frame, a screen grid and contact tongues (38) for making an electrical connection between the screening plate and a mounting opening in an electrical cabinet.