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External Wiring
3-6
MVX9000 User Manual
Storage and
Installation
External Wiring
Figure 3-3: External Wiring
Motor
Load
Reactor
Power Supply
Fuse
Magnetic
Contactor
Line Reactor
EMI Filter
L1
L2
L3
LINE
MOTOR
T1
T2
T3
B1
B2
Braking
Resistor
Table 3-1: Wiring Items
Note:
Please refer to
Appendix C
for
more details on the Circuit Breaker and
Fuse Specification tables.
Items
Explanations
Input
Power
Please follow the specific
power supply requirement
shown in
Appendix A
.
Fuse
Please check the Fuse
Specification table in
Appendix C
for proper fuse
selection.
Magnetic
Contactor
(Optional)
Please do not use a Magnetic
Contactor as the ON/OFF
switch of the AC drive, this
will reduce the operating life
of the AC drive. The
contactor should only be
used as a safety device for
disconnecting power to the
drive.
Line/Load
Reactor
(Optional)
To improve the power factor.
An AC Reactor may be
necessary when capacity is
above 1000 kVA, and the
wiring distance is within 10m.
EMI Filter
(Optional)
Used to reduce the
electromagnetic
interference.
Braking
Resistor
(Optional)
Used to reduce stopping
time of the motor. Please
refer to the Breaking Resistor
table in
Appendix C
for
specific Braking Resistors.
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