Description
60/293 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
10.3 Standards, specifications, guidelines
Basic prescriptions and
standards
NXPLUS C switchgear complies with the following prescriptions and standards:
Type approval according
to German X-ray
regulations (RöV)
The vacuum interrupters fitted in the vacuum circuit-breakers are type-approved in
accordance with the X-ray regulations of the Federal Republic of Germany. They conform to
the requirements of the X-ray regulations of January 8, 1987 (Federal Law Gazette I 1987,
Page 114) in the new edition of April 30, 2003 (Federal Law Gazette I 2003, No. 17) up to the
value of the rated voltage stipulated in accordance with IEC/DIN VDE.
Electromagnetic
compatibility (EMC)
The a.m. standards as well as the "EMC Guide for Switchgear"* are applied during design,
manufacture and erection of the switchgear.
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Installation, connection and maintenance have
to be performed in accordance with the stipulations of the operating instructions. For
operation, the legal stipulations applicable at the place of installation have to be observed
additionally. In this way, the switchgear assemblies of this type series fulfil the basic
protection requirements of the EMC guide.
Protection against solid
foreign objects, electric
shock and water
The panels of NXPLUS C fulfill the following degrees of protection according to IEC 62271-200,
IEC 60529 and DIN VDE 0671-200:
• IP3XD standard for switchgear enclosure of operating front and side walls
• IP31D option for switchgear enclosure of operating front and side walls
• IP32D option for switchgear enclosure of operating front and side walls
• IP34D option for switchgear enclosure of operating front and side walls
• IP54 option for switchgear enclosure of operating front and side walls
• IP65 for parts under high voltage in switchgear panels without HV HRC fuses
Aseismic capacity (option) NXPLUS C switchgear can be upgraded for regions at risk from earthquakes. For upgrading,
earthquake qualification testing has been carried out in accordance with the following
standards:
• IEC 60068-3-3 “Guidance – seismic test methods for equipment”
• IEC 60068-2-57 “Test Ff: Vibration – Time-history method”
• IEC 60068-2-59 “Test Fe: Vibration – Sine-beat method”
• IEEE 693-2005 “Recommended Practice for Seismic Design of Substations”.
IEC standard VDE standard EN standard
Switchgear NXPLUS C IEC 62271-1 VDE 0671-1 EN 62271-1
IEC 62271-200 VDE 0671-200 EN 62271-200
IEC 62271-304 - eLC/TS 62271-304
Devices Circuit-breakers IEC 62271-100 VDE 0671-100 EN 62271-100
Vacuum contactors IEC 60470 VDE 0670-501 EN 60470
Disconnectors
IEC 62271-102 VDE 0671-102 EN 62271-102
Earthing switches
Switch-disconnectors IEC 62271-103 VDE 0671-301 EN 62271-103
Switch-fuse combination IEC 62271-105 VDE 0671-105 EN 62271-105
HV HRC fuses IEC 60282 VDE 0670-4 EN 60282
Voltage detecting systems IEC 61243-5 VDE 0682-415 EN 61243-5
Degree of
protection
IP code IEC 60529 VDE 0470-1 EN 60529
IK code IEC 62262 VDE 0470-100 EN 50102
Insulation IEC 60071 VDE 0111 EN 60071
Instrument
transformers
- IEC 61869-1 VDE 0414-9-1 EN 61869-1
Current transformers IEC 61869-2 VDE 0414-9-2 EN 61869-2
Voltage transformers IEC 61869-3 VDE 0414-9-3 EN 61869-3
Installation and erection IEC 61936-1 VDE 0101 -
Insulating
gas
SF
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Specification for new SF
6
IEC 60376 VDE 0373-1 EN 60376
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Dr. Bernd Jäkel, Ansgar Müller, "Medium-Voltage Systems – EMC Guide for Switchgear", Siemens AG
2012
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