VdS-approved optical smoke detector MSD 523

Article No.: 1111139

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01 ATs englische Version
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01.01 01 Control systems
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01.01.01 Accessories
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01.01.01.0001 VdS-approved optical smoke detector MSD 523
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VdS-approved optical smoke detector MSD 523

This scattered-light smoke detector MSD 523 with
digital signal processing and intelligent analysis
logic ensures excellent responsive performance and the
lowest possible false alarm rate.
For connection to Kingspan STG SHE systems in 2-wire
design with LED

Unit characteristics:
- functional principle: scattered-light
- sensitivity in accordance with DIN EN 54 Part 7
- supply cable required: 2 x 2 x 0.8 mm2
- digital signal processing
- alarm threshold
- temperature-controlled smoke analysis
- signature alarm for smoke
- alarm filter for reducing false alarms

Rated data:

Rated operating voltage: 18 VDC to 30 VDC
Operating current at 30 V, standby: max. 120 µA
Operating current at 30 V, alarm: min. 19 to max. 22.5
mA
Notification criterion: current increase. 2-wire design
Ambient temperature range: - 25 °C to + 60 °C
Relative air humidity: 10%
short-term: up to 90%, constant: 70%
Dimensions: average 118.8 x approx. 68 mm incl. base
Degree of protection: IP 44 in accordance with IEC 529
VdS approval: G 207123
Monitoring area: max. 120 m²*
Mounting height: max. 16 m*
Housing material: ABS/PC, FR 90
Standards: DIN EN 54-7
CPD certification: 0786-CPD-20330
Colour: white

* The maximum monitoring area and mounting height in
the room to be monitored will depend on the pitch of
the roof and the horizontal spacing of the detectors in
accordance with EN DIN 54-7 for smoke detectors.

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VdS-approved optical smoke detector MSD 523,
manufacturer Kingspan STG

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