The WACE PIR is suitable for either wall or ceiling mounting. It fits either into a plaster depth (16mm) wall box or onto a ceiling mounted square pattress box. It requires a neutral wire. Suitable for stairwells, corridors, toilet, lobbies etc. Loading up to 6 amps (1500W) of resistive,fluorescent or inductive lighting loads The time lag (before switch off) is adjustable between 10 seconds and 40 minutes Adjustable photocell override, for holding lighting loads off on bright days A few PIR switches can be wired in parallel Ideal for retrofi tting or new build. Designed to replace existing wall switch Continuous monitoring to ensure lights stay on when area is occupied Up to 6A (1500W) load (including fluorescent lights) Photocell range: 100 to 1000 lux and inactive Fits standard (16mm) pattress boxes Time lag: 10 seconds to 40 minutes in 9 steps Suitable for stairwells, corridors, toilet lobbies, etc.