House connection column, series 135, 1x3NH00, loop-through variant. Equipped round distribution column as house connection column, protection class IP 44, with buried base, made of glass fiber reinforced polyester FS 833.5 in accordance with DIN EN 14598 with recycled material. Profiled housing in rib design. With NH fuse base and contact protection cover, detachable plug-in doors, single locking with profile half cylinders (basic version), different locking depending on VNB version. Ventilation takes place via labyrinth-like ventilation ducts and is puncture-proof due to the ingress of foreign bodies. Buried base and distribution column form a unit. A floor grate is recommended. To prevent condensation, the base must be filled with base filler on the inside up to the height of the cable fastening rail.