Mitsubishi Electric FR-A872-E Instruction Manual page 21

Refer to the following table to prepare appropriate peripheral devices.
Motor output
(kW)
450 FR-CC2-N450K
500 FR-CC2-N500K
560 FR-CC2-N560K
630 FR-CC2-N630K
*1 Assumes the use of a Mitsubishi 4-pole standard motor.
*2 Select an MCCB according to the power supply capacity.
Install one MCCB per converter unit. For the use in the United States or Canada, refer to
MCCB
MCCB
*3 The matrix shows the magnetic contactor selected according to the standards of Japan Electrical Manufacturers' Association (JEM standards)
for AC-1 class. The electrical durability of magnetic contactor is 500,000 times. When the MC is used for emergency stops during motor driving,
the electrical durability is 25 times.
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 or the converter unit, etc. The cause of the output shutoff must be identified and removed before turning ON the
power of the breaker.
20
2. INSTALLATION AND WIRING
2.1 Peripheral devices
Applicable converter
MCCB
*1
model
700 A
800 A
800 A
900 A
Converter unit INV
Converter unit INV
*1*2
or Earth Leakage Circuit Breaker (ELB)
M
M
Magnetic contactor (MC)
converter unit's input side
660 A
660 A
800 A
800 A
page 120, and select the appropriate fuse.
*1*3
on