Occupancy detector for two lighting groups for daylight-dependent lighting regulation and a third lighting group for light switching
Control of up to 25 digital dimming electronic ballasts and control modules as a group per DALI output 1 and 2, and up to 10 for DALI output 3
Two independent, movable light sensors
One common detection area
Switching between DALI and DSI possible with 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

Voltage: 110 - 240 V AC 50 / 60 Hz
Dimensions: FC= Ø 117 x 100 mm
Power consumption: approx. 2.2 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: FC= IP20  / Class II
Impact strength: IK04
Ambient temperature: -25 °C to +50 °C
Housing: polycarbonate, UV-resistant
Material color: white mat, similar to RAL9010
 Channel 1 and Channel 2 (lighting control)
DALI output: up to 25 DALI / DSI-EB per channel
Orientation light 10 - 30 % / OFF / 1 min - 60 min / ∞
 Channel 3 (lighting control)
Switching power: up to 10 DALI / DSI-EB
 Channel 1 to channel 3
Follow-up time: 1 min - 60 min
Brightness set value: 40 - 1200 Lux
 Mixed light measuring


Manufacturer: B.E.G. Brück Electronic GmbH
Description: PD4-M-TRIO-DALI/DSI-FC
Material color: white mat, similar to RAL9010
Item number: 92755
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