MSD 523 photo optical smoke detector/MS USB 502-6

MSD 523 VdS light-optical smoke detector with USB 502-6 base for use with Kingspan STG SHEVS and RDA systems

Technical data:
Operating voltage: 18 V DC to 30 V DC
Detection criterion: current increase, 2-wire technology
Monitoring area: max. 120 m²
Mounting height: max. 16 m
Perm. air velocity: max. 20 m/s
Current consumption: at rest max. 120 μA, at alarm min. 19 mA, max. 22.5 mA
Ambient temperature: -25 °C to +60 °C
VdS approval: G 207123
Note: The maximum monitoring area and mounting height of the room to be monitored depends on the roof pitch and the horizontal distance between the detectors according to EN DIN 54-7 for smoke detectors.

Detector base USB 502-6
For the universal heat detector UTD 523 and the light-optical smoke detector MSD 523 for surface mounting.

Technical data:
Wire cross-section: max. 2.5 mm²
Dimensions: Ø 118.5 mm
Protection class: IP 44 according to DIN EN 60 529
Housing: ABS/PC, FR 90
Color: white