Security; Due Application; Qualified Personnel - Siemens NXPLUS C Installation And Operating Instructions Manual

806-9004.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 02
3 IT security
The Siemens software is regularly checked for safety. If weak points are identified in the
process, which may allow third parties to access protection devices, information thereto is
distributed through the SIPROTEC and SICAM Security Update Report Newsletter.
The Newsletter can be subscribed to at the following website:
www.siemens.com/gridsecurity
Before commissioning the switchgear, it must be verified that the current firmware version is
installed on the protection devices. The latest version of firmware can be obtained from the
following website:
http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/downloads/
Pages/Overview.aspx
For information to updates for other makes of protection devices, please contact the
respective manufacturer.
4

Due application

Extendable fixed-mounted circuit-breaker switchgear NXPLUS C with single busbar is used in
transformer and distribution substations as well as for switching duties in industrial plants.
The application area extends to rated voltages up to 38 kV and rated operating currents up to
2500 A. In distribution networks up to 38 kV, a maximum short-circuit current of 31.5 kA is
permissible (type-dependent).
5

Qualified personnel

Qualified personnel in accordance with these instructions are persons who have been instructed
by the Switchgear Factory Frankfurt (participation in an assembly and installation training with
certificate), who are familiar with transport, installation, commissioning, maintenance and
operation of the product, and who have appropriate qualifications for their work.
• Training and instruction or authorization to switch on, switch off, earth and identify power
circuits and equipment / systems as per the relevant safety standards.
• Training regarding the applicable specifications for the prevention of accidents and the use
of appropriate safety equipment.
• Training in first aid and behavior in the event of possible accidents.
Safety instructions
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