Werkstarck Fire protection boxes Quickbox HWD 90

Quickbox HWD 90 3x1 for Swiss device installations (9498-77.03). Hollow wall boxes HWD 90 for fire protection walls EI30-EI120 ensure certified and fire-safe electrical installations. The intelligent AFS technology reacts immediately to fire and heat, automatically sealing the installation opening. This maintains the fire resistance class of the wall and secures the escape route. The application in all fire protection walls and the fire resistance duration of up to 120 minutes provide maximum flexibility, even with planning changes. At the same time, it also meets the sound insulation requirements of the wall. Application area: For built-in devices | Installation type: Fire protection building | Depth: 50 mm | Cut-out diameter: 83 mm | Width: 83 mm | Length: 205 mm.