Siemens SIMATIC NET SCALANCE XR124WG Manual page 10

English
WARNING
Danger from line voltage
from devices with a 240 VAC
power supply
This device can only function correctly
and safely if it is transported, stored,
set up, and installed correctly, and
operated and maintained as
recommended.
Connecting and disconnecting may
only be performed by an electrical
specialist.
Connect or disconnect power supply
cables only when the power is turned
off.
Devices with a 240 VAC
power supply do not have an
approval for hazardous areas
Devices with a 240 VAC power supply
are not approved for use in hazardous
areas according to ATEX, IECEx, FM
and UL HazLoc.
Notes on use in the
hazardous area
If the device is installed in a cabinet,
the inner temperature of the cabinet
corresponds to the ambient
temperature of the device.
The device is intended for indoor use
only.
The device may only be operated in an
environment with pollution degree 1 or
2 (see IEC 60664-1).
When used in hazardous environments
corresponding to Class I, Division 2 or
Class I, Zone 2, the device must be
installed in a cabinet or a suitable
enclosure.
A5E39701956-AB, 09/2017
WARNING
Notes on use in the hazardous
area
EXPLOSION HAZARD
Do not open the device when the supply
voltage is turned on.
Do not connect or disconnect cables to or
from the device when a flammable or
combustible atmosphere is present
Do not press the RESET button when an
explosive atmosphere is present.
Do not remove or replace while circuit is
live when a flammable or combustible
atmosphere is present.
Replacing components may impair
suitability for Class 1, Division 2 or Zone
2.
Safety notices for use
according to ATEX and IECEx
When using products in hazardous area
zone 2, make absolutely sure that the
associated conditions in the following
document are adhered to: "SIMATIC NET
Product Information Use of subasseblies/
modules in a Zone 2 Hazardous Area".
https://support.industry.siemens.com/cs/
ww/en/view/27069465
To comply with EC Directive 2014/34/EU
(ATEX 114) or the conditions of IECEx,
this enclosure or cabinet must meet the
requirements of at least IP54 in
compliance with EN 60529.
Take measures to prevent transient
voltage surges of more than 40 % of the
rated voltage.
This criterion is fulfilled, if supplies are
derived from SELV (Safety Extra-Low
Voltage) only.
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Continued