Circuit Breakers, Fuses, Grounding And Power - WEG CFW100 User Manual

3.2.2 Circuit Breakers, Fuses, Grounding and Power

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ATTENTION!
Use proper cable lugs for the power and grounding connection cables. Refer
„
to Table B1 on page 121
Keep sensitive equipment and wiring at a minimum distance of 0.25 m (9.85 in) from
„
the inverter and from the cables connecting the inverter to the motor.
It is not recommended the use of mini circuit breakers (MDW), because of the
„
actuation level of the magnet.
ATTENTION!
Residual differential interrupter (DR):
When used in the inverter supply, it must have a pick-up current of 300 mA.
„
Depending on the installation conditions, such as motor cable length and type,
„
multi-motor drive, etc., the DR interrupter may trip. Check with the manufacturer
the most suitable type for operation with inverters.
NOTE!
The wire gauges listed in
conditions and the maximum permitted voltage drop must be considered for the
proper wiring sizing.
Installation and Connection
for recommended wiring, circuit breakers and fuses.
Table B1 on page 121 are guiding values. Installation