Direct digital dimming ceiling-mounted PIR with infra-red setup

Key features

  • Rating - (at 250VAC), 10A Resistive, fluorescent, compact fluorescent, low energy lighting, low voltage lighting (switching primary of transformer)
  • 9m Total detection range
  • Connections - Live, Neutral, Live out, Dim -, Dim+, switch up, switch down
  • Time setting - 10 secs - 99 minutes
  • Adjustable light level 1-998
  • Terminal capacity 2.5mm²
  • Direct digital DALI and DSI dimming (handset required for dimming system selection see PRE5901 & 5903) Max number of dimming ballasts is 10 with the relay enabled, when the relay is disabled maximum is 20 ballasts
  • 5-year warranty


This stylish PIR switch is one of a range of sensors that are designed to flush mount into a ceiling tile.

The PRE3201-DD provides flexible timed switching - adjustable between 10 seconds and 99 minutes. The unit has a detection range up to 9 meters and is supplied with a switched live output.

Easy to install with direct digital dimming supporting both DALI and DSI dimming systems. Ideal for schools, student accommodation and offices.

An optional surface mounting box is available, suitable for mounting the PRE3201 directly onto the ceiling surface or onto a BESA box.

This product has an integral sensitivity and time adjustment. All timings, light levels, and all other parameters are programmed via the PRE5901 or PRE5903 programming handsets. Once programmed the parameters are fully tamperproof. One handset will program all PRE3201-DD sensors and a selection of other Prefect products.

Other PRE3201 Variations available:
PRE3201-AD - 1-10V analogue dimming
PRE3201-PRM - Standard detector
PRE3201-VFC - Volt free contact
12V and 24V versions are available upon request.


Product Information


Wiring Diagrams