4
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:
200V class
Motor
Output (kW)
*1
Applicable Inverter Model
Breaker Selection
*2
Input Side Magnetic
Contactor
*3
Without reactor
connection
With reactor
connection
Without reactor
connection
With reactor
connection
0.75
FR-F720-0.75K
30AF 10A
30AF 10A
S-N10
S-N10
1.5
FR-F720-1.5K
30AF 15A
30AF 15A
S-N10
S-N10
2.2
FR-F720-2.2K
30AF 20A
30AF 15A
S-N10
S-N10
3.7
FR-F720-3.7K
30AF 30A
30AF 30A
S-N20, S-N21
S-N10
5.5
FR-F720-5.5K
50AF 50A
50AF 40A
S-N25
S-N20, S-N21
7.5
FR-F720-7.5K
100AF 60A
50AF 50A
S-N25
S-N25
11
FR-F720-11K
100AF 75A
100AF 75A
S-N35
S-N35
15
FR-F720-15K
225AF 125A
100AF 100A
S-N50
S-N50
18.5
FR-F720-18.5K
225AF 150A
225AF 125A
S-N65
S-N50
22
FR-F720-22K
225AF 175A
225AF 150A
S-N80
S-N65
30
FR-F720-30K
225AF 225A
225AF 175A
S-N95
S-N80
37
FR-F720-37K
400AF 250A
225AF 225A
S-N150
S-N125
45
FR-F720-45K
400AF 300A
400AF 300A
S-N180
S-N150
55
FR-F720-55K
400AF 400A
400AF 350A
S-N220
S-N180
75 FR-F720-75K
⎯
400AF 400A
⎯
S-N300
90 FR-F720-90K
⎯
400AF 400A
⎯
S-N300
110 FR-F720-110K
⎯
600AF 500A
⎯
S-N400
*1
Selections for use of the Mitsubishi 4-pole standard motor with power supply voltage of 200VAC 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 the use in the United States or Canada, provide the appropriate UL and cUL listed Class RK5 or Class
L type fuse or UL 489 molded case circuit breaker (MCCB) that is suitable for branch circuit protection.
(Refer to the Instruction Manual (basic).)
*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 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.
MCCB
INV
MCCB
INV
IM
IM