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Basic configuration and connection
of peripheral devices
1.1.2 Selection of peripheral devices
Check the capacities of the motor applicable to the inverter you purchased. Refer to the list below and prepare
appropriate peripheral devices.
200V class
400V class
*1. Select the NFB type according to the power supply capacity.
Caution
• Do not fit capacitive equipment such as power factor correction capacitor, radio noise filter (FR-BIF
option) or surge suppressor to the output side of the inverter. This will cause the inverter to trip or power
factor correction capacitor and surge suppressor to be damaged. If any of the above devices are con-
nected, immediately remove them. If the FR-BIF radio noise filter is connected, switching power off during
motor operation may result in "E.UVT". In this case, connect the radio noise filter on the primary side of
the magnetic contactor.
• Electromagnetic wave interference
The input/output (main circuit) of the inverter includes harmonic components, which may interfere with
the communication devices (such as AM radios) used near the inverter. In this case, install the FR-BIF
optional radio noise filter (for use in the input side only) or FR-BSF01 or FR-BLF line noise filter to mini-
mize interference.
Motor
Output
(kW)
Applicable
Inverter
Type
No-fuse Breaker
(NFB
*1
)
or Earth Leakage Cir-
cuit Breaker (ELB
)
Power Factor
Improving AC
Reactor
Power Factor
Improving DC
Reactor
Magnetic
Contactor
(MC)
Standard
With power factor
improving reactor
1.5 FR-V520-1.5K 30AF 15A 30AF 15A FR-BAL-1.5K FR-BEL-1.5K S-N10
2.2 FR-V520-2.2K 30AF 20A 30AF 15A FR-BAL-2.2K FR-BEL-2.2K S-N11, N12
3.7 FR-V520-3.7K 30AF 30A 30AF 30A FR-BAL-3.7K FR-BEL-3.7K S-N20
5.5 FR-V520-5.5K 50AF 50A 50AF 40A FR-BAL-5.5K FR-BEL-5.5K S-N25
7.5 FR-V520-7.5K 100AF 60A 50AF 50A FR-BAL-7.5K FR-BEL-7.5K S-N35
11 FR-V520-11K 100AF 75A 100AF 75A FR-BAL-11K FR-BEL-11K S-N50
15 FR-V520-15K 225AF 125A 100AF 100A FR-BAL-15K FR-BEL-15K S-N65
18.5 FR-V520-18.5K 225AF 150A 225AF 125A FR-BAL-22K FR-BEL-18.5K S-N80
22 FR-V520-22K 225AF 175A 225AF 150A FR-BAL-22K FR-BEL-22K S-N95
30 FR-V520-30K 225AF 225A 225AF 175A FR-BAL-30K FR-BEL-30K S-N125
37 FR-V520-37K 400AF 250A 225AF 225A FR-BAL-37K FR-BEL-37K S-N150
45 FR-V520-45K 400AF 300A 400AF 300A FR-BAL-45K FR-BEL-45K S-N180
55 FR-V520-55K 400AF 400A 400AF 350A FR-BAL-55K FR-BEL-55K S-N220
Motor
Output
(kW)
Applicable
Inverter
Type
No-fuse Breaker
(NFB
*1
)
or Earth Leakage Cir-
cuit Breaker (ELB
)
Power Factor
Improving AC
Reactor
Power Factor
Improving DC
Reactor
Magnetic
Contactor
(MC)
Standard
With power factor
improving reactor
1.5 FR-V540-1.5K 30AF 10A 30AF 10A FR-BAL-H1.5K FR-BEL-H1.5K S-N10
2.2 FR-V540-2.2K 30AF 15A 30AF 10A FR-BAL-H2.2K FR-BEL-H2.2K S-N11, N12
3.7 FR-V540-3.7K 30AF 20A 30AF 15A FR-BAL-H3.7K FR-BEL-H3.7K S-N20
5.5 FR-V540-5.5K 30AF 30A 30AF 20A FR-BAL-H5.5K FR-BEL-H5.5K S-N20
7.5 FR-V540-7.5K 30AF 30A 30AF 30A FR-BAL-H7.5K FR-BEL-H7.5K S-N20
11 FR-V540-11K 50AF 50A 50AF 40A FR-BAL-H11K FR-BEL-H11K S-N20
15 FR-V540-15K 100AF 60A 50AF 50A FR-BAL-H15K FR-BEL-H15K S-N25
18.5 FR-V540-18.5K 100AF 75A 100AF 60A FR-BAL-H22K FR-BEL-H18.5K S-N35
22 FR-V540-22K 100AF 100A 100AF 75A FR-BAL-H22K FR-BEL-H22K S-N50
30 FR-V540-30K 225AF 125A 100AF 100A FR-BAL-H30K FR-BEL-H30K S-N65
37 FR-V540-37K 225AF 150A 225AF 125A FR-BAL-H37K FR-BEL-H37K S-N80
45 FR-V540-45K 225AF 175A 225AF 150A FR-BAL-H45K FR-BEL-H45K S-N80
55 FR-V540-55K 225AF 200A 225AF 175A FR-BAL-H55K FR-BEL-H55K S-N125