Rockwell Automation 20-COMM-S RS-485 DF1 Adapter - Manual (Page 44)

A-2 Specifications
Environmental
Temperature
Operating
Storage -10 to 50 °C (14 to 149°F)
-40 to +85 °C (-40 to 185°F)
Relative Humidity -5 to 95% non-condensing
Atmosphere Important: Adapter must not be installed in an area
where the ambient atmosphere contains volatile or
corrosive gas, vapors or dust. If the adapter is not going
to be installed for a period of time, it must be stored in an
area where it will not be exposed to a corrosive
atmosphere.
Regulatory Compliance
UL 508C and CUL
CE EN61800-3