, With fire resistance class EI90, Subsequent and opposite installation possible, The installation boxes meet the sound insulation requirements, Up to 5 boxes can be connected in series Design: 1-way Max. cable diameter: Ø 14.4 mm Milling hole diameter: Ø 74 mm Suitable for panel thickness: 25-40 mm Cable entry: 2 Max. conductor cross-section: 2.5 mm² Depth: 45 mm Mounting type: HW Box material: SAFE 90 Halogen-free: yes Protection class (IP): IP30