Siemens OOHC740 - Page 103

Specifications
Technical data for OOHC740
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Building Technologies
A6V10305793_m_en_
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Fire Safety
2016-02-15
Ambient conditions Operating temperature -20...+50 °C
Storage temperature -20…+55 °C
Optimum storage temperature 0…+20 °C
Air humidity ~15…95 % rel. during continuous operation
Condensation water may impair the function of the
CO sensor.
Protection category (IEC 60529):
● Detector base DB721/DB721D/DB110 IP40
● Detector base DB721/DB721D/DB110 and
sounder base DBS720 with detector base
seal RS720
IP44
● Sounder base DBS720 IP40
● Base attachment wet BA721 IP44
Electromagnetic compatibility:
● 10 kHz…2.7 GHz 40 V/m
Mechanical data Dimensions (Ø x H) with detector base: 117 x 49 mm
Color ∼RAL 9010 pure white
Standards European standards ● EN 54-5
● EN 54-7
● EN 54-17
● CEA 4021