Housing base 2-way horizontal with frame, 4 cable entries AP W.1 polar white. Housing 2-way horizontal, with frame AP. For horizontal installation, with 4 cable entries, with one entry for 2 cables and one entry for cable or pipe. The lateral arrangement of the upper/lower cable entry makes it particularly suitable for installation next to door frames or similar. The additional lateral cable entries make it particularly suitable for workbenches, for example. Full-surface seal under the housing base to seal the rear of the housing, a Wago 2-wire connection terminal for wiring included, two snap-in positions for Wago 2-wire connection terminals in the housing base. The IP55 protection level is only achieved when installed with a modular AP/UP insert from the W.1 product line.