Ceiling flush-mounted PIR occupancy switch
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Ceiling flush-mounted PIR switch.These neat and unobtrusive models are ideal for flush mounting through suspended or plasterboard ceilings. They have a 2m cable, for quick installation. Product code: CEFL PIR |
Specification
| Detection Zone: | 360° |
| Time lag range: | 10 seconds to 40 minutes in 9 steps |
| Photocell range: | 30 to 1000 lux, and inactive |
| Loading: | Up to 6 amps (1500W) of resistive loads. Up to 6 amps (1500W) of fluorescent loads. Up to 3 amps (750W) of electronic and wire wound transformer loads. Up to 2 amps (500W) of CFL, 2D lamps, LED Drivers and LED lamps and fittings. Up to 1 amp (250W) of fans. |
| Dimensions: | 72mm diameter x 68mm |
- DimensionsOpen or Close
Requires 63 or 64mm (2.5") diameter hole in a false or plasterboard ceiling 
- Detection DiagramsOpen or Close
Strong detection zone
ie. person moving arm
Secondary detection zone
ie. person walking (less sensitive when walking straight towards PIR switch)PIR Quad detector gives 124 detection areas within the zone
Perspective view of detection zone
For optimum coverage recommended mounting height between 2.4 and 5m
Several PIR occupancy switches
In open plan areas
For best coverage the PIR occupancy switches should be spaced every 5m in either direction
- Wiring DiagramsOpen or Close
Single CEFL PIR 
A few CEFL PIR wired in parallel 
PIR occupancy switch variants
Variants are available on request such as 24V or 12V (a.c. or d.c.), ideal for low voltage control systems. To special order we can also supply volt free outputs for mains, 24V or 12V supplies (including versions with gold contact relays).
