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LF/U 2.1 ABB i-bus KNX Flush Mount Light Sensor 200-3000 lx Brightness Probe for Constant Light Control
The LF/U 2.1 ABB i-bus KNX flush-mounted light sensor provides brightness measurement for constant lighting control. It measures illuminance in the room and transmits values to the lighting control system, serving as the feedback element in ABB's daylight-harvesting concept.
When paired with compatible light controllers (LR/S 2.16.1, LR/S 4.16.1, DLR/S, or LR/M1.6.2), it completes the control loop that maintains illumination at preset levels. The sensor faces the working plane from the ceiling and receives power through the controller's connecting lead.
- Device Type: Separate brightness sensor for bus system
- Measurement Range: 200 ... 3000 lx
- System Compatibility: KNX TP1, wired to sensor input of controller
- Color & Dimensions: White, 54 x 54 x 20 mm, 0.04 kg
- Climate Rating: -5...+45 °C ambient, IP20, ceiling (flush) mounting
- Scope of Supply: Optical rods in several versions, connection terminals, and cover for discreet room fitting
- Standards & Approvals: CE, CB certificate, RoHS 2011/65/EU, REACH, WEEE class 5
- ETIM 9: EC000927 - brightness sensor for bus system
Ideal for open-plan offices, teaching rooms, corridors, and reading rooms. The controller adjusts 1-10 V ballast gear downward as daylight increases and upward after dusk, maintaining consistent illumination at designed lux values on the working plane.
ABB i-bus KNX flush mount light sensor
,light sensor with brightness probe
,constant light control sensor 200-3000 lx
Ms. Nora
Sales Manager
- Email: nora@knxcomponents.com
- Tel: +8613427540176
- WhatsApp: 8613427540176
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