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Inverter and peripheral devices
1.2.1 Peripheral devices
Check the inverter model of the inverter you purchased. Appropriate peripheral devices must be selected according
to the capacity. Refer to the following list and prepare appropriate peripheral devices:
400V class
Motor
Output
(kW)
*1
Applicable Inverter Model
Moulded Case Circuit Breaker
(MCCB)
*2 or Earth Leakage
Circuit Breaker (ELB)
Input Side Magnetic Contactor*3
Power factor improving
(AC or DC) reactor
Power factor improving
(AC or DC) reactor
Without with Without with
0.75 FR-F740-00023-EC 5A 5A S-N10 S-N10
1.5 FR-F740-00038-EC 10A 10A S-N10 S-N10
2.2 FR-F740-00052-EC 10A 10A S-N10 S-N10
3.7 FR-F740-00083-EC 20A 15A S-N10 S-N10
5.5 FR-F740-00126-EC 30A 20A S-N20, S-N21 S-N11, S-N12
7.5 FR-F740-00170-EC 30A 30A S-N20, S-N21 S-N20, S-N21
11 FR-F740-00250-EC 50A 40A S-N20, S-N21 S-N20, S-N21
15 FR-F740-00310-EC 60A 50A S-N25 S-N20, S-N21
18.5 FR-F740-00380-EC 75A 60A S-N25 S-N25
22 FR-F740-00470-EC 100A 75A S-N35 S-N25
30 FR-F740-00620-EC 125A 100A S-N50 S-N50
37 FR-F740-00770-EC 150A 125A S-N65 S-N50
45 FR-F740-00930-EC 175A 150A S-N80 S-N65
55 FR-F740-01160-EC 200A 175A S-N80 S-N80
75 FR-F740-01800-EC 225A S-N95
90 FR-F740-01800-EC 225A S-N150
110 FR-F740-02160-EC 225A S-N180
132 FR-F740-02600-EC 400A S-N220
160 FR-F740-03250-EC 400A S-N300
185 FR-F740-03610-EC 400A S-N300
220 FR-F740-04320-EC 500A S-N400
250 FR-F740-04810-EC 600A S-N600
280 FR-F740-05470-EC 600A S-N600
315 FR-F740-06100-EC 700A S-N600
355 FR-F740-06830-EC 800A S-N600
400 FR-F740-07700-EC 900A S-N800
450 FR-F740-08660-EC 1000A
1000A
Rated product
500 FR-F740-09620-EC 1200A
1000A
Rated product
560 FR-F740-10940-EC 1500A
1200A
Rated product
630 FR-F740-12120-EC 2000A
1400A
Rated product
*1 Selections for use of the Mitsubishi 4-pole standard motor with power supply voltage of 400VAC 50Hz.
*2 Select the MCCB according to the power supply capacity. Install one MCCB per inverter.
For using commercial-power supply operation, select a breaker with capacity which allows the motor to be
directly power supplied.
For installation in the United States or Canada, select a fuse in accordance with UL, cUL, the National
Electrical Code and any applicable local codes, or use UL 489 Molded Case Circuit Breaker (MCCB).
(Refer to the Installation Guideline.)
*3 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 stop during motor driving, the electrical durability is 25 times.
If using an MC for emergency stop during motor driving, select an MC regarding the inverter 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 motor rated current as JEM1038-AC-3 class rated current.
CAUTION
When the inverter capacity is larger than the motor capacity, select an MCCB and a magnetic contactor according to the
inverter model and cable and reactor according to the motor output.
When the breaker on the inverter primary side trips, check for the wiring fault (short circuit), damage to internal parts of the
inverter, etc. Identify the cause of the trip, then remove the cause and power ON the breaker.
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