: Environmental Specifications
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Environmental Specifications

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Environmental Specifications

Learn about the PA-220 firewall environmental specifications.
The following table describes PA-220 firewall environmental specifications.
SpecificationValue
Operating temperature range
32°F to 104°F (0° to 40°C)
Non-operating temperature
-4°F to 158°F (-20° to 70°C)
Humidity tolerance
5% to 90% non-condensing
Airflow
The PA-220 firewall uses passive cooling and does not contain fans.
Maximum BTUs/hour
102 BTUs/hour
Acoustic noise
Emits no sound.
Maximum operating altitude
10,000ft (3,048m)