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400V class
Motor
Applicable Inverter
Output
Model
(kW)
*1
0.75
FR-F740P-0.75K
1.5
FR-F740P-1.5K
2.2
FR-F740P-2.2K
3.7
FR-F740P-3.7K
5.5
FR-F740P-5.5K
7.5
FR-F740P-7.5K
11
FR-F740P-11K
15
FR-F740P-15K
18.5
FR-F740P-18.5K
22
FR-F740P-22K
30
FR-F740P-30K
37
FR-F740P-37K
45
FR-F740P-45K
55
FR-F740P-55K
75
FR-F740P-75K
90
FR-F740P-90K
110
FR-F740P-110K
132
FR-F740P-132K
150
FR-F740P-160K
160
FR-F740P-160K
185
FR-F740P-185K
220
FR-F740P-220K
250
FR-F740P-250K
280
FR-F740P-280K
315
FR-F740P-315K
355
FR-F740P-355K
400
FR-F740P-400K
450
FR-F740P-450K
500
FR-F740P-500K
560
FR-F740P-560K
*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, Class RK5, Class J, Class CC, Class L, Class T or any faster acting
fuses or UL 489 Molded Case Circuit Breaker (MCCB) must be provided, in accordance with the National
Electrical Code and any applicable local codes.
For installation in Canada, Class RK5, Class J, Class CC, Class L, Class T or any faster acting fuses or UL
489 Molded Case Circuit Breaker (MCCB) must be provided, in accordance with the Canada Electrical
Code and any applicable provincial codes. (Refer to page 169.)
*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.
When using the MC for emergency stop during motor driving or using on the motor side during commercial-power supply operation, select the
MC with class AC-3 rated current for the motor 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 select 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.
Moulded Case Circuit Breaker (MCCB)
or Earth Leakage Circuit Breaker (ELB)
(NF or NV type)
Power factor improving (AC or DC) reactor
Without
5A
5A
10A
10A
10A
10A
20A
15A
30A
20A
30A
30A
50A
40A
60A
50A
75A
60A
100A
75A
125A
100A
150A
125A
175A
150A
200A
175A
⎯
225A
⎯
225A
⎯
225A
⎯
400A
⎯
400A
⎯
400A
⎯
400A
⎯
500A
⎯
600A
⎯
600A
⎯
700A
⎯
800A
⎯
900A
⎯
1000A
⎯
1200A
⎯
1500A
Peripheral devices
*2
Input Side Magnetic Contactor
With
Without
S-N10
S-N10
S-N10
S-N10
S-N20, S-N21
S-N20, S-N21
S-N20, S-N21
S-N25
S-N25
S-N35
S-N50
S-N65
S-N80
S-N80
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
*3
With
S-N10
S-N10
S-N10
S-N10
S-N11, S-N12
S-N20, S-N21
S-N20, S-N21
S-N20, S-N21
S-N25
S-N25
S-N50
S-N50
S-N65
S-N80
S-N95
S-N150
S-N180
S-N220
S-N300
S-N300
2
S-N300
S-N400
S-N600
S-N600
S-N600
S-N600
S-N800
1000A
Rated product
1000A
Rated product
1200A
Rated product
MCCB
INV
M
MCCB
INV
M
5
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