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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:
Applicable Inverter
Model
FR-E720-0.1KNC
FR-E720-0.2KNC
FR-E720-0.4KNC
FR-E720-0.75KNC
FR-E720-1.5KNC
FR-E720-2.2KNC
FR-E720-3.7KNC
FR-E720-5.5KNC
FR-E720-7.5KNC
FR-E720-11KNC
FR-E720-15KNC
FR-E740-0.4KNC
FR-E740-0.75KNC
FR-E740-1.5KNC
FR-E740-2.2KNC
FR-E740-3.7KNC
FR-E740-5.5KNC
FR-E740-7.5KNC
FR-E740-11KNC
FR-E740-15KNC
FR-E720S-0.1KNC
FR-E720S-0.2KNC
FR-E720S-0.4KNC
FR-E720S-0.75KNC
FR-E720S-1.5KNC
FR-E720S-2.2KNC
∗1
Select an MCCB according to the power supply capacity.
Install one MCCB per inverter.
∗2
For the use in the United States or Canada, select a UL and cUL certified fuse with Class T fuse equivalent cut-off
speed or faster with the appropriate rating for branch circuit protection. Alternatively, select a UL489 molded case circuit breaker (MCCB).
(
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.
∗4
The power factor may be slightly lower.
NOTE
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 input side trips, check for a 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.
4
Moulded Case Circuit Breaker
(MCCB) ∗1
Motor
or Earth Leakage Circuit Breaker
Output
(ELB) ∗2
(kW)
Reactor connection
without
0.1
5A
0.2
5A
0.4
5A
0.75
10A
1.5
15A
2.2
20A
3.7
30A
5.5
50A
7.5
60A
11
75A
15
125A
0.4
5A
0.75
5A
1.5
10A
2.2
15A
3.7
20A
5.5
30A
7.5
30A
11
50A
15
60A
0.1
5A
0.2
5A
0.4
10A
0.75
15A
1.5
20A
2.2
40A
Magnetic Contactor (MC)
∗3
Reactor connection
with
without
5A
S-N10
5A
S-N10
5A
S-N10
10A
S-N10
15A
S-N10
15A
S-N10
30A
S-N20, S-N21
40A
S-N25
S-N20, S-N21
50A
S-N25
75A
S-N35
100A
S-N50
5A
S-N10
5A
S-N10
10A
S-N10
10A
S-N10
15A
S-N10
20A
S-N20, S-N21 S-N11, S-N12
30A
S-N20, S-N21 S-N20, S-N21
40A
S-N20, S-N21 S-N20, S-N21
50A
S-N25
S-N20, S-N21
5A
S-N10
5A
S-N10
10A
S-N10
10A
S-N10
20A
S-N10
30A
S-N20, S-N21
Reactor
FR-HAL
FR-HEL
with
0.4K ∗4
0.4K ∗4
S-N10
0.4K ∗4
0.4K ∗4
S-N10
S-N10
0.4K
0.4K
S-N10
0.75K
0.75K
S-N10
1.5K
1.5K
S-N10
2.2K
2.2K
S-N10
3.7K
3.7K
5.5K
5.5K
S-N25
7.5K
7.5K
S-N35
11K
11K
S-N50
15K
15K
S-N10
H0.4K
H0.4K
S-N10
H0.75K
H0.75K
S-N10
H1.5K
H1.5K
S-N10
H2.2K
H2.2K
S-N10
H3.7K
H3.7K
H5.5K
H5.5K
H7.5K
H7.5K
H11K
H11K
H15K
H15K
0.4K ∗4
0.4K ∗4
S-N10
0.4K ∗4
0.4K ∗4
S-N10
0.75K ∗4
0.75K ∗4
S-N10
1.5K ∗4
1.5K ∗4
S-N10
2.2K ∗4
2.2K ∗4
S-N10
3.7K ∗4
3.7K ∗4
S-N10
MCCB
INV
MCCB
INV
IM
IM
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