37SIPROTEC 4/5, Injection Unit 7XT71, Product Information
C53000-B1174-C128-7, Edition 09.2016
12.2.3 Climatic Stress Tests
Temperatures
Humidity
Other Environmental Information
Standards: IEC 60255-6
Recommended temperature during operation
Rated auxiliary voltage +15 % –5 °C to +40 °C; +23 °F to +104 °F
Rated auxiliary voltage +10 % –5 °C to +55 °C; +23 °F to +131 °F
Limit temperatures
for storage –25 °C to +55 °C; -13 °F to 131 °F
for transport –25 °C to +70 °C; -13 °F to +158 °F
Storage and transport with factory packaging
Permissible humidity Mean value per year 75 % relative hu-
midity;
on 56 days of the year up to 95 % relative
humidity; condensation must be avoided!
Siemens recommends that all devices be installed such that they are not exposed
to direct sunlight, nor subject to large fluctuations in temperature that can cause
condensation.
Maximum altitude above sea level 2000 m (6561.68 ft)
Minimum admissible atmospheric
pressure
783.8 hPa
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