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- Numens - Model SND-500-S - UL and EN ...
Numens -Â Model SND-500-S -UL and EN approved smoke Alarms
SND-500-S smoke alarms provide battery powered smoke detection and alarm functions within a single unit. Advanced electronics in conjunction with a photoelectric smoke sensing chamber provide early detection of fire and high immunity against unwanted alarms. SND-500-S smoke alarms are battery powered, do not require a mains supply, and are suitable for general residential applications. The SND-500-S smoke alarm range provides home owners and installers with an easy-to-install, economical solution for life safety and property protection applications.· Photoelectric smoke sensing chamber technology
· Integrated indicator provides visual indication of an alarm condition
· Test button verifies battery and alarm operation
· Loud 85 dB sounder to alert occupants
· Surface-mount device (SMD) circuit board design
· Single DC 9 V user-replaceable battery provides up to 18 months operation under normal conditions
· 30 day low battery warning signal
· Battery missing indicator prevents the unit from being installed without the battery fitted
· Attractive housing design
· Easy installation
· Low maintenance
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SND-500-S |
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Power source |
DC 9 V |
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Quiescent current |
7 µA |
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Quiescent condition indicator |
Flashing red LED every 32 s |
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Alarm current |
15 mA |
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Alarm response threshold |
(0.08 ~ 0.15) dB/m |
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Visual alarm indicator |
Flashing red LED |
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Audible alarm sounder output |
≥ 85 dB @ 3 m |
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Low battery signal |
Audible signal each 32 s for 30 days |
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Operating temperature |
(0 ~ +50) °C |
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Operating humidity |
(10 ~ 90) % RH, non-condensing |
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Storage temperature |
(-25 ~ +80) °C |
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Storage humidity |
(0 ~ 98) % RH, non-condensing |
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Dimensions |
Φ 100 mm × 31 mm |
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EN 14604 a |
CE |
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SND-500-S |
√ |
√ |
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SND-500-SI |
√ |
√ |
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a EN 14604 Smoke alarm devices |
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