Siemens SCALANCE XRH-300

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.
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 /
CSA C22.2 No. 61010‑2‑201. To ful󹪝ll requirements for safe operation with regard to
mechanical stability, 󹪞ame retardation, stability, and protection against contact, the following
alternative types of installation are speci󹪝ed:
• 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 o󹪜ered by the device can be impaired if the device is used di󹪜erently to the
description in section Proper use (Page 7).
The device cannot be opened and repaired independently in the event of a fault; see Fault
(Page 10).
Installing and removing
5.1 Safety during installation
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01 41