Light-optical smoke detector MSD 523

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