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Introduction
1.5 Safety instructions
be used in dusty or damp conditions. You will find further ambient conditions in Chapter
Application planning (Page 129).
Standards
The circuit breaker complies with the standards:
• IEC 60947-2
• IEC 60947-3
• EN 60947-2
• EN 60947-3
Safety instructions
Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, systems, machines and networks.
In order to protect plants, systems, machines and networks against cyber threats, it is
necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial
security concept. Siemens' products and solutions only form one element of such a concept.
Customers are responsible for preventing unauthorized access to their plants, systems,
machines and networks. Such systems, machines and components should only be connected
to an enterprise network or the Internet if and to the extent such a connection is necessary
and only when appropriate security measures (e.g. firewalls and/or network segmentation)
are in place.
For additional information on industrial security measures that may be implemented, please
visit (http://www.siemens.com/industrialsecurity).
Siemens' products and solutions undergo continuous development to make them more
secure. Siemens strongly recommends that product updates are applied as soon as they are
available and that the latest product versions are used. Use of product versions that are no
longer supported, and failure to apply the latest updates may increase customer's exposure
to cyber threats.
To keep up to date with all the latest product updates, subscribe to the Siemens Industrial
Security RSS Feed at (http://www.siemens.com/industrialsecurity).
1.5.1
Open Source Software
This product, solution or service ("Product") contains third-party software components. These
components are Open Source Software licensed under a license approved by the Open Source
Initiative (https://www.opensource.org) or similar licenses as determined by SIEMENS ("OSS")
and/or commercial or freeware software components. With respect to the OSS components, the
applicable OSS license conditions prevail over any other terms and conditions covering the
Product. The OSS portions of this Product are provided royalty-free and can be used at no charge.
If SIEMENS has combined or linked certain components of the Product with/to OSS
components licensed under the GNU LGPL version 2 or later as per the definition of the
applicable license, and if use of the corresponding object file is not unrestricted ("LGPL
Licensed Module", whereas the LGPL Licensed Module and the components that the LGPL
Licensed Module is combined with or linked to is the "Combined Product"), the following
12
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03
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