Description
DEXTRA REAF2 DSI (E)
 The
 Is a recessed, standalone Passive Infrared (PIR) occupancy and daylight regulating sensor designed for energy-efficient commercial lighting control. It automatically manages light levels by detecting motion and measuring natural light, providing a digital dimming output.
Key Technical Specs
- Sensor Type:Â Passive Infrared (PIR) & Photocell.
- Communication:Â DSI (Digital Serial Interface).
- Voltage:Â 230V AC @ 50Hz.
- Max Load:Â Up to 9 DSI ballasts/drivers.
- Mounting Height:Â Recommended 2.4m to 3m.
- Time Delay:Â Adjustable from 5 to 35 minutes (requires programmer).
- Lux Level:Â Adjustable from 50 to 5000 lux (requires programmer).
Functionality Features
- Presence Detection:Â Turns lights ON when movement is detected.
- Absence Detection:Â Turns lights OFF after a set period of no movement.
- Daylight Harvesting:Â Dims or brightens lights based on natural light levels.
- Emergency (E):Â Built-in emergency monitoring/functionality for integrated systems.
Installation Requirements
- Cut-out Size:Â 74mm diameter.
- Minimum Ceiling Void:Â 125mm.
- Wiring:Â 5-core (Live, Neutral, Earth, and 2x DSI polarity-free wires).
- Recommended Circuit Protection:Â 10A.
Compatible Accessories
- REA BP:Â Basic Remote Control Programmer (for simple setup).
- REA DP:Â Digital Remote Control Programmer (for advanced settings).
- REA AP:Â Advanced Remote Control Programmer.






