E6581697
J-1
10
10. Peripheral devices
Warning
Mandatory
action
When using switchgear for the inverter, it must be installed in a cabinet.
Failure to do so can lead to risk of electric shock and can result in death or serious injury.
Be Grounded
Connect grounding cables securely.
Failure to do so can lead to risk of electric shock or fire in case of a failure or short-circuit or electric
leak.
10.1 Selection of wiring materials and devices
Selection of cable size
Cable size (mm
2
) (Note 4)
Power circuit
(Note 1, 5)
Braking resistor
(optional)
Grounding earth cable
Voltage class
Applicable
motor (kW)
IEC
compliant
For Japan
(JEAC800
1-2005)
IEC
compliant
For Japan
(JEAC800
1-2005)
IEC
compliant
For Japan
(JEAC800
1-2005)
0.2 1.5 2.0 1.5 2.0 2.5 2.0
0.4 1.5 2.0 1.5 2.0 2.5 2.0
0.75 1.5 2.0 1.5 2.0 2.5 2.0
1.5 2.5 2.0 1.5 2.0 2.5 2.0
1 phase
240V class
2.2 4.0 2.0 1.5 2.0 4.0 3.5
0.4 1.5 2.0 1.5 2.0 2.5 2.0
0.75 1.5 2.0 1.5 2.0 2.5 2.0
1.5 1.5 2.0 1.5 2.0 2.5 2.0
2.2 1.5 2.0 1.5 2.0 2.5 2.0
4.0 2.5 2.0 1.5 2.0 2.5 2.0
5.5 4.0 2.0 1.5 2.0 4.0 3.5
7.5 6.0 3.5 2.5 2.0 6.0 3.5
11 10.0 5.5 4.0 2.0 10.0 5.5
15 16.0 8.0 6.0 3.5 16.0 5.5
3 phase
500V class
18.5 16.0 8.0 - - - -
Note 1: Sizes of the wires connected to the input terminals R/L1, S/L2 and T/L3 (Single-phase models are R/L1
and S/L2/N) and the output terminals U/T1, V/T2 and W/T3 when the length of each wire does not exceed
30m. If there is a need to bring the inverter into UL compliance, use wires specified in chapter 9.
Note 2: For the control circuit, use shielded wires 0.75 mm
2
or more in diameter.
Note 3: For grounding, use a cable with a size equal to or larger than the above.
Note 4: The cable sizes specified in the above table apply to HIV cables (copper cables shielded with an insulator
with a maximum allowable temperature of 75°C) used at an ambient temperature of 50°C or less.
Note 5: In case of aul=2 setting, be sure to use the cable size of power circuit for 1 rating up motor.
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