802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11 11/293
Description
National approvals NXPLUS C switchgear has obtained the following national approval:
• GOST R certificate
Type approval NXPLUS C switchgear has been type-approved by the following classification societies:
• Lloyds Register (LR)
• Det Norske Veritas (DNV)
• Germanischer Lloyd (GL)
• Russian Maritime Register of Shipping (RMRS)
• American Bureau of Shipping (ABS)
The switchgear is therefore also approved for application on ships and platforms.
Seismic withstand
capability (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”.
For installation on even and rigid concrete or steel structure (without considering building
influences), the tested ground accelerations meet the following requirements:
• Uniform Building Code 1997 (UBC) – Zone 4
• California Building Code 1998 (CBC) – Zone 4
• IEEE 693-2005 – High required response spectrum.
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