Occupancy detector for two separate lighting groups, for daylight-dependent lighting control
One potential-free switching channel for control of equipment (HVAC) or lighting
Two independent, movable light sensors
One common detection area
2 DALI/DSI interfaces for control of digital dimmable electronic ballasts as a group
Switching between DALI and DSI possible with remote control
Orientation light function
Relay with tungsten pre-make contact, optimised for LED loads
Version as master device
Detection area can be extended by using slave devices
Manual switching and dimming via push button possible
Semi-automatic, full-automatic or twilight switch mode
Additional functions can be set up using the optional remote control.

Voltage: 110 - 240 V AC 50 / 60 Hz
Dimensions: Ø 117 x 100 mm
Power consumption: approx. 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: IP20  / Class II
Impact resistance level: 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 (HVAC control or lighting control, potential-free (dry))
Switching power: 3000 W, cos φ = 1, 1500 VA, cos φ = 0.5, 800 W LED, max. inrush current Ip (20ms) = 165 A, (200 µs) = 800 A
Type of contact: 1x µ-contact, dry NO contact with tungsten pre-make contact
 Channel 1 to channel 3
Follow-up time: 1 min - 60 min
Brightness set value: 10 - 2000 Lux
 Mixed light measuring


Manufacturer: B.E.G. Brück Electronic GmbH
Description: PD4-M-TRIO-2DALI/DSI-1C-FC
Material color: white mat, similar to RAL9010
Item number: 92756
-