Can the ATV320 drives be used at high elevation?
The ATV320 series drives can be used in higher elevation applications with the following limitations:
When connected to TT/TN or IT power systems, The ATV320 products is limited at 1000m without derating in M2, M3, N4 and S6 voltage ranges.
Corner grounded systems in N4 and S6 are not compliant with IEC specifications.
Corner grounded system in M2 and M3 versions (not allowed for N4 and S6) are limited to 2000m with derating of the current by 1% per 100 meters over 1000m.
The M3 and N4 versions can go up to 3000 meters on TT/TN and IT systems with derating of the current by 1% per 100 meters over 1000m.
M2 and S6 drives are not approved for this elevation and no drives are allowed on a corner grounded power system.
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Released for: Schneider Electric USA
