Siemens SIMATIC RF300 System Manual page 136

Readers
5.1 SIMATIC RF310R
5.1.8.4 Extended installation and operating conditions for hazardous areas for applications
according to UL Hazardous Location (USA and Canada)
In addition to the instructions listed in ordinary locations File E85972-D1005.
For Div. 2:
This equipment is suitable for use in Class I, Division 2, Groups C and D in HAZARDOUS
LOCATIONS, OR NON-HAZARDOUS LOCATIONS ONLY.
WARNING
EXPLOSION HAZARD - DO NOT DISCONNECT EQUIPMENT WHILE THE CIRCUIT IS LIVE OR UNLESS
THE AREA IS KNOWN TO BE FREE OF IGNITABLE CONCENTRATIONS.
These devices are open-type devices that are to be installed in an enclosure suitable for the
environment.
For Zone 2 only:
This equipment is suitable for use in Class I, Division 2, Groups C and D, Class II Groups F and G,
OR Zone 2, Group IIB, OR Zone 22, Group IIIC in HAZARDOUS LOCATIONS, OR non-hazardous
locations only.
WARNING
EXPLOSION HAZARD - DO NOT DISCONNECT EQUIPMENT WHILE THE CIRCUIT IS LIVE OR UNLESS
THE AREA IS KNOWN TO BE FREE OF IGNITABLE CONCENTRATIONS.
WARNING
WARNING – POTENTIAL ELECTROSTATIC CHARGING HAZARD.
All models must be mounted in an enclosure with a minimum ingress protection rating of
at least IP54 and must be Class I, Zone 2 certified, and used in an environment of not more
than pollution degree 2.
The device may only be operated so that there is adequate protection against ultraviolet light.
The device must not be operated in areas influenced by charge-producing processes.
The device must be set up and installed so that it is mechanically protected.
After disconnecting connections (signal/supply cable), before the connectors are plugged in
again, the connectors must be checked for contamination and, if necessary, cleaned.
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WARNING
WARNING
WARNING
System Manual, 02/2021, C79000-G8976-C345-09
SIMATIC RF300