Distribution column series 135 round, with MP 550x290mm, hinged door, 1350x360mm. Round distribution column, protection class IP 44, with underground base, made of glass fiber reinforced polyester FS 833.5 according to DIN EN 14598 with recyclate. Profiled housing in ribbed design. Self-extinguishing mounting plate made of plastic, removable hinged doors, single locking with profile half-cylinders, double locking possible. Ventilation is provided through labyrinth-shaped ventilation channels and is protected against the intrusion of foreign objects. The underground base and distribution column form a single unit. A floor grid is recommended. To prevent condensation, the base should be filled with base filler up to the height of the cable mounting rail on the inside.