Vacon 20 CP, Installation, Technical And Maintenance Manual

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Safety vacon • 8
Service support: find your nearest Vacon service center at www.vacon.com
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Figure 2.Protective earthing connections MS2, single-phase version.
The cross-sectional area of every protective earthing conductor which does not form a part of
the supply cable or cable enclosure shall, in any case, be not less than:
• 2.5 mm
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if mechanical protection is provided or
• 4 mm
2
if mechanical protection is not provided. For cord-connected equipment, provi-
sions shall be made so that the protective earthing conductor in the cord shall, in the
case of failure of the strain-relief mechanism, be the last conductor to be interrupted.
However, always follow the local regulations for the minimum size of the protective earthing
conductor.
NOTE: Due to the high capacitive currents present in the AC drive, fault current protective
switches may not function properly.