Hollow wall device box with airtight membrane entries, for use in hollow walls with an installation depth of at least 47 mm and a panel thickness of 5 - 40 mm. . 2 x 3 screw domes . Device screws, clamping lugs . 2 combination pipe entries 20 and 25 mm . 2 entries for NYM cables 3 x 1.5 mm . 2 entries for NYM cables 3 x 2.5 mm or 5 x 1.5 mm . Airtight connection with other device boxes via connecting pieces type ZH 11-V. Accessories included: 10 x connecting pieces type ZH 11-V
