Integrated intumescent material completely seals the downlight and cut-out in the event of a fire. Reduced recess depth for shallow ceiling voids. Not for use with dichroic halogen (cool beam) lamps. Tested in 30, 60 & 90 minute fire rated ceilings. Tested to BS476 Part 21. BS EN ISO 10140-2: 2010 & BS EN ISO 10140-3: 2010 + A1: 2015 (acoustics) confirming that they maintain the ability for an internal or separating floor to provide sound insulation. Optional MR16 lampholder (AU-0501F) available for flexibility of lamp choice. Features: Registered Community Design 390612-0001/2/3 UK Patent GB2426321 Lamp not included 3 Year Warranty Specifications: Positional Adjustment: Fixed Recess Depth (mm): 110 mm (RD)