Double-track device duct base, made of strip-galvanized steel in accordance with DIN EN 10346, with two differently sized cable runs separated by means of subsequently mountable, self-contacting aluminum separating profiles with cable feed-through openings, continuous perforation in the duct back for flexible mounting on a wall or bracket, continuous retaining tabs for holding separating profiles in the back, device installation in the cable run with 78 mm cover opening with snap-in device box, for installation programs with 80 mm cover frame and 60 mm fastening track, device installation without perforated panels, including 3 cable retaining clips each for 78 mm and 38 mm cover opening, each 2 m delivery length, accessories for potential equalization must be ordered separately. VDE certified! Dimensions (approx. dimensions) H x D : 170 x 100 mm Cover openings : 78 mm + 38 mm Pitch of the cable runs : 105 mm + 65 mm Delivery length L : 2000 mm Usable cross-section of upper cable run : 9352 mm² Usable cross-section of lower cable run : 5608 mm²