
E6581301
J-1
10
10. Selection of peripheral devices
Danger
Mandatory
• When using the inverter without the front cover, be sure to place the inverter unit inside a cabinet. If
they are used outside the cabinet, it may cause electric shock.
Be Grounded
• Be sure to ground every unit. If not, it may cause electric shock or fire on the occasion of failure,
short-circuit or electric leak.
10.1 Selection of wiring materials and devices
Wire size
Main circuit (*1)
DC reactor
(optional)
Braking resistor/
Braking unit
(optional) (*5)
Earth cable
Voltage
class
Applicable
motor
[kW]
Inverter model
AWG mm
2
AWG mm
2
AWG mm
2
AWG mm
2
0.4 VFAS1-2004PL 14 2 14 2 14 2 12 3.5
0.75 VFAS1-2007PL 14 2 14 2 14 2 12 3.5
1.5 VFAS1-2015PL 14 2 14 2 14 2 12 3.5
2.2 VFAS1-2022PL 14 2 14 2 14 2 12 3.5
3.7/4.0 VFAS1-2037PL 12 3.5 14 2 14 2 12 3.5
5.5 VFAS1-2055PL 10 5.5 12 3.5 10 5.5 10 5.5
7.5 VFAS1-2075PL 8 8 10 5.5 10 5.5 8 8
11 VFAS1-2110PM 6 14 8 (*6) 8 10 5.5 6 14
15 VFAS1-2150PM 6 14 6 (*6) 14 10 5.5 6 14
18.5 VFAS1-2185PM 4 22 4 (*6) 22 8 8 4 22
22 VFAS1-2220PM 4 22 4 (*6) 22 6 14 4 22
30 VFAS1-2300PM 2 38 2 (*6) 38 6 14 4 22
37 VFAS1-2370PM 1/0 60 1/0 (*6) 60 4 22 2 38
45 VFAS1-2450PM 1/0 60 4/0 (*6) 100 4 22 2 38
55 VFAS1-2550P 4/0 100 4/0 100 4 22 1/0 60
200V
class
75 VFAS1-2750P
300MCM
150
300MCM
150 2 38 4/0 100
0.75 VFAS1-4007PL 14 2 14 2 14 2 12 3.5
1.5 VFAS1-4015PL 14 2 14 2 14 2 12 3.5
2.2 VFAS1-4022PL 14 2 14 2 14 2 12 3.5
3.7/4.0 VFAS1-4037PL 14 2 14 2 14 2 12 3.5
5.5 VFAS1-4055PL 14 2 14 2 14 2 12 3.5
7.5 VFAS1-4075PL 12 3.5 14 2 14 2 12 3.5
11 VFAS1-4110PL 10 5.5 12 3.5 14 2 10 5.5
15 VFAS1-4150PL 8 8 10 5.5 14 2 8 8
18.5 VFAS1-4185PL 8 8 10 (*6) 5.5 10 5.5 8 8
22 VFAS1-4220PL 8 8 8 (*6) 8 10 5.5 8 8
30 VFAS1-4300PL 6 14 6 (*6) 14 10 5.5 6 14
37 VFAS1-4370PL 4 22 4 (*6) 22 6 14 4 22
45 VFAS1-4450PL 2 38 4 (*6) 22 6 14 4 22
55 VFAS1-4550PL 2 38 2 (*6) 38 6 14 4 22
75 VFAS1-4750PL 1/0 60 1/0 (*6) 60 6 14 2 38
90 VFAS1-4900PC 1/0 60 1/0 60 4 22 2 38
110 VFAS1-4110KPC 4/0 100 4/0 100 4 22 1 60
132 VFAS1-4132KPC 4/0 100
300MCM
150 4 22 1 60
160 VFAS1-4160KPC
300MCM
150
300MCM
150 4 22 4/0 100
200 VFAS1-4200KPC
400MCM
200
300MCM
×2
150
×2 1/0 60 4/0 100
220 VFAS1-4220KPC
400MCM
200
300MCM
×2
150
×2 1/0 60 4/0 100
280 VFAS1-4280KPC
300MCM
×2
150
×2
400MCM
×2
200
×2 4/0 100
300MCM
150
355 VFAS1-4355KPC
400 VFAS1-4400KPC
400V
class
500 VFAS1-4500KPC
(*1): Indicates wire sizes of input terminals R, S, T and output terminals U,V,W.
(*2): The recommended cable size is that of the cable (e.g. 600V class,HIV cable) with continuous maximum permissible
temperature of 75°C. Ambient temperature is 50°C or less and the wiring distance is 30m or less.
(*3): For the control circuit, use shielded wires whose size (cross-section) is 0.75 mm
2
or more.
(*4): For the earth cable, use wires larger than the specified ones in size (cross-section).
(*5): Recommended wire size for an optional braking resistor. Refer to 5.19 for use of external braking resistor.
(*6): Recommended wire size for internal DC reactor.
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