Occupancy detector designed for corridors
One channel for light switching
One additional potential-free (dry) contact for HVAC
Version as master device
Detection area can be extended by using slave devices
Manual switching via push-button possible
Alarm pulse: the detector triggers only when three movements are detected within 9 seconds
Additional functions can be set up using the optional remote control.
There are markings to ensure correct alignment during installation
Factory settings 10 min and 500 lux (15 min HVAC)

Voltage: 110 - 240 V AC 50 / 60 Hz
Dimensions: Ø 101 x 76 mm
Power consumption: < 0.5 W
Detection area: horizontal 360°  (Ceiling mounting)
Range: max. Ø 40 m across, max. Ø 20 m towards
Monitored area (tangential movement): 250 m² / 2.5 m mounting height
Mounting height min./max./recommended: 2.4 m / 2.6 m / 2.5 m
Degree / class of protection: IP54  / 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 (lighting control)
Switching power: 2300 W, cos φ = 1, 1150 VA, cos φ = 0.5 , 800 W LED, max. inrush current Ip (20 ms) = 165 A, max. inrush current Ip (200 µs) = 800 A
Type of contact: 1x µ-contact, NO contact with tungsten pre-make contact
Follow-up time: 15 sec - 30 min, Pulse
Switch-on threshold: 10 - 2000 Lux
 Channel 2 (HVAC control potential-free (dry))
Switching power: 3 A (230 V), cos φ = 1
Type of contact: 1x µ-contact, dry NO contact
Follow-up time: 5 min - 120 min, Alarm pulse, Pulse
 Mixed light measuring


Manufacturer: B.E.G. Brück Electronic GmbH
Description: PD4-M-2C-C-SM
Material color: white mat, similar to RAL9010
Item number: 92440
-