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	CELO(PIR occupancy switches)
Order code: CELO	Ceiling surface-mounted plug-in PIR switch. The CELO has a built-in plug suitable for the CESO SQ Ceiling socket (or CESO Ceiling socket). CESO SQ can be mounted on a square pattress box (or CESO can be mounted on a BESA box). CELO on a square pattress box Order code: PABO Ceiling socket for CELO Order code: CESO SQ
	Specification
	Detection zone: 360º Time lag range: 10 seconds to 40 minutes in 9 steps Photocell range: 100 to 1000 lux, and inactive Loading: up to 6 amps (1500W) of resistive, fluorescent or inductive lighting loads, or up to 1 amp (250W) of fans Dimensions (mm): 88 x 88 x 47
	Detection diagrams
	Ceiling mounted PIR occupancy switch For optimum coverage recommended mounting height between 2.4 and 5m A few PIR occupancy switches In open plan areas. For best coverage the PIR occupancy switches should be spaced every 5m in either direction
	Wiring diagrams
	Single CELO A few CELO wired in parallel Ceiling mounted socket (CESO SQ or CESO) for plug-in controls.
	Start-up mode When the mains supply is initially connected to the PIR occupancy switch it goes through its Start-up Mode. This means it switches on for about 1 minute, then switches off and enters its Operating Mode. If a manual wall switch is feeding the PIR occupancy switch (see wiring diagrams on appropriate product pages) then it will go through the Start-up Mode each time the wall switch is switched on. By wiring the manual wall switch in the alternative position, the supply to the PIR occupancy switch is uninterrupted and it remains in Operating Mode. It does not go through its Start-up Mode each time the wall switch is switched on.
	Dimensions (in mm)
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