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Peripheral Devices - Mitsubishi Electric F800-E Series Instruction Manual

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Peripheral devices

2.1.2
Peripheral devices
Selecting the converter unit (FR-CC2-C)
Select the capacity of the FR-CC2-C converter unit according to the connected motor capacity.
Converter unit
Model
FR-CC2-[ ]
FR-F862-[ ]
C355K
05450
C400K
06470
C560K
08500

The applicable motor capacity indicated is the maximum capacity applicable for use of the 4-pole standard motor.
Selecting the breaker/magnetic contactor
Check the model of the inverter and the converter unit you purchased. Appropriate peripheral devices must be selected
according to the capacity.
Refer to the table below to prepare appropriate peripheral devices.
Motor
Applicable converter
output
model
(kW)

400
FR-CC2-C355K
450
FR-CC2-C400K
630
FR-CC2-C560K

Assumes the use of a 4-pole standard motor with the power supply voltage of 575 VAC 50 Hz.

Select an MCCB according to the power supply capacity.
Install one MCCB per converter.
For the use in the United States or Canada, provide the appropriate UL and cUL listed fuse that
is suitable for branch circuit protection. (Refer to

The magnetic contactor is selected based on the AC-1 class. The electrical durability of magnetic contactor is 500,000 times. When the
magnetic contactor is used for emergency stops during motor driving, the electrical durability is 25 times.
If using an MC for emergency stop during driving the motor, select an MC regarding the converter unit input side current as JEM1038-AC-3 class
rated current. When using an MC on the inverter output side for commercial-power supply operation switching using a general-purpose motor,
select an MC regarding the rated motor current as JEM1038-AC-3 class rated current.
NOTE
• When the converter unit capacity is larger than the motor capacity, select an MCCB and a magnetic contactor according to
the converter unit model, and select cables and reactors according to the motor output.
• When the breaker on the converter unit's input side trips, check for the wiring fault (short circuit), damage to internal parts of
the inverter and the converter unit, etc. The cause of the trip must be identified and removed before turning ON the power of
the breaker.
14
INSTALLATION AND WIRING
Inverter
Rated current
(A)
SLD
545
LD
496
SLD
647
LD
589
SLD
850
LD
773
Applicable inverter
model
FR-F862-05450
FR-F862-06470
FR-F862-08500
page
83.)
Motor capacity
(kW)

400
355
450
400
630
560
Molded case circuit breaker (MCCB)
or
earth leakage circuit breaker (ELB)
(NF, NV type)
SLD
700 A
900 A
1200 A

Input-side
magnetic
contactor
LD
SLD
700 A
475 A
800 A
592 A
1000 A
776 A
MCCB Converter unit
MCCB Converter unit

LD
469 A
589 A
773 A
INV
M
INV
M

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