311 Ceiling PIR Detector (IP40). Available only as spare parts, not for new cases. Alternative products 320 and 320P. (Discontinued)
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The 311 Ceiling PIR Detector is a compact unit that provides energy-saving functions in a DALI system.
311 Ceiling PIR Detector (IP40). Available only as spare parts, not for new cases. Alternative products 320 and 320P. (Discontinued)
technical specifications
The 311 Ceiling PIR Detector is a compact unit that provides energy-saving functions in a DALI system. It contains a Passive infrared detector (PIR) and an Infrared receiver. As a presence detector, the unit can turn the lights on when a room is occupied, and off when the room is unoccupied.
Lighting controls from
Helvar

Technical Data

Lighting Control SolutionImagine
Lighting Control ProtocolDALI lighting control
Device Mounting MethodIndependentCeiling
ColourWhite
Detection diameter (m)7
Sensing technologyPIR motion sensor
Nominal mounting height (m)2.8
DALI current consumption (mA)15
IP RatingIP40
Datasheet303, SBB-A