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230 / 460 Three Phase
ADDITIONAL PRECAUTIONS TO LIMIT EMI AND RFI
Grounding Practices
For Inverters:
The Inverter must be grounded to earth independently. No other equipment should share the
earth connection of the Inverter (except the motor). All circuits have to be connected to
external earth through copper bars.
Note: The system should be checked periodically to ensure earth ground connection is
complete.
For Induction Motors:
For safety reasons, motors must be connected to earth ground with a cable even if the
motor is fixed on a metal baseplate. A green line 4-conductor motor cable is recommended
to connect between the frame of the motor and the earth ground of the Inverter.
Drive
Earth Ground
Drive