Cable distribution column, ZAS, series 177, with busbar system, 4 x E-Cu. Cable distribution column in accordance with DIN EN 61439, protection class IP 44, with buried base, made of glass fiber reinforced polyester FS 833.5 in accordance with DIN EN 14598. Cable distribution column with busbar system for installation of NH fuse switch disconnectors. Profiled housing in rib design. With busbar system 4-pole E-Cu 30 x 6 mm. Door with opening angle of 180 degrees when free-standing and 90 degrees when mounted in series. Right door can be removed. Locking with swivel lever and three-point bascule lock, single locking with profile half cylinders. Ventilation takes place via labyrinth-like ventilation ducts and is puncture-proof due to the ingress of foreign bodies. Buried base and cable distribution column form a unit. A floor grate is recommended. To prevent condensation, the base must be filled with base filler up to the height of the cable fastening rail.