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Mitsubishi Electric FR-B-750 to 75K Instruction Manual Page 14

Fr-b-750 to 75k (200v class), fr-b-750 to 110k (400v class).
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400V class
Applicable Inverter Type
Motor Output
(kW)
*1
FR-B
0.4
FR-B-750
0.75
1.5
FR-B-1500
2.2
FR-B-2200
3.7
FR-B-3700
5.5
FR-B-7.5K
7.5
FR-B-7.5K
11
FR-B-15K
15
FR-B-15K
18.5
22
FR-B-22K
30
FR-B-37K
37
FR-B-37K
45
FR-B-55K
55
FR-B-55K
75
FR-B-75K
90
FR-B-90K
110
FR-B-110K
*1
Selections for use of the Mitsubishi explosion-proof motor with power supply voltage of 400VAC 50Hz.
*2
Select the MCCB according to the inverter power supply capacity.
Install one MCCB per inverter.
*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, select the MC with class AC-3 rated current for the motor rated current.
*4
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.
Breaker Selection
Reactor connection
FR-B3
without
30AF 5A
FR-B3-(N)H400
30AF 5A
FR-B3-(N)H1500
30AF 10A
FR-B3-(N)H2200
30AF 10A
FR-B3-(N)H3700
30AF 20A
FR-B3-(N)H5.5K
30AF 30A
FR-B3-(N)H7.5K
30AF 30A
FR-B3-(N)H11K
50AF 50A
FR-B3-(N)H15K
100AF 60A
FR-B3-(N)H18.5K 100AF 75A
FR-B3-(N)H22K
100AF 100A
FR-B3-(N)H30K
225AF 125A
FR-B3-(N)H37K
225AF 150A
225AF 175A
225AF 200A
Inverter and peripheral devices
Input Side Magnetic Contactor
*2,4
Reactor connection
with
without
30AF 5A
S-N10
30AF 5A
S-N10
30AF 10A
S-N10
30AF 10A
S-N10
30AF 15A
S-N10
30AF 20A
S-N20
30AF 30A
S-N20
50AF 40A
S-N20
50AF 50A
S-N25
100AF 60A
S-N25
100AF 75A
S-N35
100AF 100A
S-N50
225AF 125A
S-N65
225AF 150A
S-N80
225AF 175A
S-N80
225AF 225A
225AF 225A
225AF 225A
*3
with
S-N10
S-N10
S-N10
S-N10
S-N10
S-N11, N12
S-N20
S-N20
S-N20
S-N25
S-N25
S-N50
S-N50
S-N65
S-N80
S-N95
S-N150
S-N180
MCCB
INV
IM
MCCB
INV
IM
5
1

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