Occupancy detector with large detection area, daylight-dependent lighting control
DALI / DSI interface for control of digital dimmable electronic ballasts as a group
Switching between DALI and DSI programming possible with DIP switch and remote control
Version as master device
Detection area can be extended by using slave devices
Manual switching and dimming via push button possible
Additional functions can be set up using the optional remote control.
Orientation light function
Semi-automatic, full-automatic or twilight switch mode
Factory settings 10 min and 500 lux

Voltage: 110 - 240 V AC 50 / 60 Hz
Dimensions: Ø 97 x 103 mm
Power consumption: approx. 1 W
Detection area: horizontal 360°  (Ceiling mounting)
Range: max. Ø 24 m across, max. Ø 8 m towards, max. Ø 6.4 m seated
Monitored area (tangential movement): 450 m² / 2.5 m mounting height
Mounting height min./max./recommended: 2 m / 10 m / 2.5 m
Degree / class of protection: IP20  / Class II
Ambient temperature: -25 °C to +50 °C
Housing: polycarbonate, UV-resistant
Material color: white mat, similar to RAL9010
 Channel 1 (lighting control)
DALI output: up to 50 DALI / DSI-EB
Follow-up time: 1 min - 30 min
Orientation light 10 - 30 % / OFF / 5 min - 60 min / ∞
Brightness set value: 10 - 2000 Lux
 Mixed light measuring


Manufacturer: B.E.G. Brück Electronic GmbH
Description: PD4-M-DALI/DSI-FC
Material color: white mat, similar to RAL9010
Item number: 92275
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