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Main circuit terminals
1.2.4 Selection of peripheral devices
Check the inverter type 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>
<400V class>
Motor
Output
(kW)
Inverter Type
Moulded Case Circuit Breaker
(MCCB)(*1, *3) or
Earth Leakage Circuit Breaker (ELB)
(*2, *3)
Magnetic
Contactor
(MC)
With filter pack Without filter pack
0.4 FR-F520J-0.4K
30AF/5A 30AF/5A S-N10
0.75 FR-F520J-0.75K
30AF/10A 30AF/10A S-N10
1.5 FR-F520J-1.5K 30AF/15A 30AF/15A S-N10
2.2 FR-F520J-2.2K
30AF/15A 30AF/20A S-N10
3.7 FR-F520J-3.7K
30AF/30A 30AF/30A S-N20,S-N21
5.5 FR-F520J-5.5K 50AF/40A 50AF/50A S-N25
7.5 FR-F520J-7.5K
50AF/50A 100AF/60A S-N35
11 FR-F520J-11K
100AF/75A 100AF/75A S-N50
15 FR-F520J-15K 100AF/100A 225AF/125A S-N65
Motor
Output
(kW)
Inverter Type
Moulded Case Circuit Breaker
(MCCB)(*1, *3) or
Earth Leakage Circuit Breaker (ELB)(*2,
*3)
Magnetic
Contactor
(MC)
With filter pack Without filter pack
0.4 FR-F540J-0.4K
30AF/5A 30AF/5A S-N10
0.75 FR-F540J-0.75K
30AF/5A 30AF/5A S-N10
1.5 FR-F540J-1.5K 30AF/10A 30AF/10A S-N10
2.2 FR-F540J-2.2K
30AF/10A 30AF/15A S-N10
3.7 FR-F540J-3.7K
30AF/15A 30AF/20A S-N20, S-N21
5.5 FR-F540J-5.5K 30AF/20A 30AF/30A S-N20, S-N21
7.5 FR-F540J-7.5K
30AF/30A 30AF/30A S-N20, S-N21
11 FR-F540J-11K
50AF/40A 50AF/50A S-N25
15 FR-F540J-15K 50AF/50A 100AF/60A S-N35
*1.
*2. For installations in the United States or Canada, the
circuit breaker must be inverse time or instantaneous trip type.
*3. 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
MCCB
INV
INV
IM
IM
• Select the MCCB according to the power supply
capacity.
• Install one MCCB per inverter.