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LCX9000 Liquid-Cooled Drives User Manual
3-10 For more information visit: www.EatonElectrical.com
MN04005001E
January 2007
Grounding of Power Unit
The mains cables are connected to the protective ground of the switchgear enclosure.
We recommend connecting the motor cables to the common PE of the cabinet/cabinet
system.
For grounding of the drive itself, use the grounding terminal on the drive mounting plate (see
Figure 3-3).
Figure 3-3: Grounding Terminal on Mounting Plate
Cable Installation and the UL Standards
To meet the UL (Underwriters Laboratories) regulations, a UL-approved copper cable with a
minimum heat resistance of +140/167°F (+60/75°C) must be used.
The tightening torques of the terminals are given in Table 3-4.