WARNING
Substitution of components may impair suitability for Division 2.
WARNING
EXPLOSION HAZARD
For operation the device is intended to be installed within an enclosure/control cabinet. The
inner temperature of the enclosure/control cabinet corresponds to the ambient temperature of
the device. Use installation wiring connections with admitted maximum operating
temperature of at least 30 °C higher than maximum ambient temperature.
WARNING
The IP rating marking is not associated with the FM approvals certication.
Safety notices when using the device as industrial control equipment according to UL
61010-2-201
If you use the device under UL 61010-2-201 conditions you must also keep to the following
safety notices in addition to the general safety notices for protection against explosion:
WARNING
Open equipment
The devices are "open equipment" acc. to the standard IEC 61010‑2‑201 or UL 61010‑2‑201 /
CSAC22.2 No.61010‑2‑201. To fulll requirements for safe operation with regard to
mechanical stability, ame retardation, stability, and protection against contact, the following
alternative types of installation are specied:
• Installation in a suitable control cabinet protected against electric shock and spread of re
• Installation in a suitable protective housing protected against electric shock and spread of
re
• Installation in a suitable closed control room protected against electric shock and spread of
re
WARNING
Damage in the event of improper use
The protection oered by the device can be impaired if the device is used dierently to the
description in section Proper use (Page7).
The device cannot be opened and repaired independently in the event of a fault; see Fault
(Page10).
Installing and removing
5.1Safety during installation
SCALANCE XR-300
Operating Instructions, 03/2023, C79000-G8976-C586-02 45
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