Alterlux is a low profile, recessed modular LED luminaire range in two sizes 600 x 600 mm and 300 x 1200 mm for T-ceilings that can also be supplied to fit a variety of concealed ceiling systems. Ideally suited for office installations, providing high efficiency, controlled glare and can incorporate wireless sensors for presence detection and daylight energy saving. Comfortable working environment Front lens optic is TP(a) fire rated and meets the UGR and luminance limits recommended by BS-EN 12464, CIBSE LG7 and British Council for offices (BCO). Flexible ceiling integration Available as standard for exposed T-ceilings or to integrate into concealed systems - SAS120(599) and SAS150 (599) spring bars, SAS130 (584) Alugrid/Tee bars in module sizes 600 x 600mm, 500 x 500mm, 750 x 750mm or SAS330 (C-profile). For plasterboard fixing with a frame accessory. Air return path also available on linear 300 x 1200mm versions on request. Wireless connectivity In-built wireless sensors are available to provide comfort, energy saving and central energy and emergency test reporting. For user comfort and control local wireless wall plates are available.