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PowerXL DG1 Series VFD
Cable and fuse guidelines
North America cable and fuse sizes—208 Vac to 240 Vac ratings
208 V
Amp suffix
input current
Frame
size
(CT/I
)
(VT/I
)
(CT/I
H
L
FR0
3D7
4D8
4.3
4D8
6D6
5.6
6D6
7D8
7.6
FR1
3D7
4D8
3.2
4D8
6D6
4.4
6D6
7D8
6.1
7D8
011
7.2
011
012
10.2
FR2
012
017
10.2
017
025
16.2
025
031
23.1
FR3
031
048
28.7
048
061
44.4
FR4
061
075
56.4
075
088
69.4
088
114
81.4
FR5
114
143
105.5
143
170
132.3
170
211
157.3
FR6
211
248
196.3
248
312
230.7
1
Line and motor cable size is selected according to UL 508C Table 40.3 for copper conductor rated 75 °C. Use only with copper wire rated 75 °C here.
Size requirements for other different wire types are defined in the National Electrical Code
2
Earthing conductor size is determined by the maximum overcurrent device rating used ahead of the drive according to UL 508C Table 6.4.
3
If power cubes or bypass are used, a UL listed Class RK5, J, T or equivalent fuse is recommended.
NEC
motor amp rating Current
)
(VT/I
)
at 230 V at 208 V
H
L
5.6
4.2
4.6
7.6
6
6.6
9
6.8
7.5
4.4
4.2
4.6
6.1
6
6.6
7.2
6.8
7.5
10.2
9.6
10.6
11.6
—
—
16.3
15.2
16.7
23.2
22
24.2
29
28
30.8
44.2
42
46.2
56
54
59.4
64.6
68
74.8
78
80
88
94.3
104
114
129
130
143
157
154
169
189
192
211
242.8
248
273
290.3
312
343
12
Recommended
(CT/I
)
(VT/I
)
fuse
H
L
at 50 °C
at 40 °C
rating
3
3.7
4.8
10
4.8
6.6
10
6.6
7.8
15
3.7
4.8
10
4.8
6.6
10
6.6
7.8
10
7.8
11
15
11
12.5
15
12.5
17.5
20
17.5
25
30
25
31
35
31
48
60
48
61
80
61
75
100
75
88
110
88
114
125
114
143
175
143
170
200
170
211
250
211
261
400
248
312
400
®
®
, ANSI/NFPA
70.
Instruction Leaflet IL040016EN
Effective January 2022
®
NEC
Terminal connection
wire size (AWG)
size (AWG)
Line and
Line and
motor
Ground
motor
14
14
26–10
14
14
26–10
14
14
26–10
14
14
24–10
14
14
24–10
14
14
24–10
14
14
24–10
12
12
24–10
10
10
20–6
8
10
20–6
8
10
20–6
6
6
6–2
4
6
6–2
3
4
6–1/0
2
4
6–1/0
1/0
3
6–1/0
3/0
3
1/0–350 kcmil
4/0
3
1/0–350 kcmil
300
3
1/0–350 kcmil
2*2/0
3
2* (1/0–300 kcmil)
2*4/0
3
2* (1/0–300 kcmil)
EATON
www.eaton.com
Ground
18–10
18–10
18–10
18–10
18–10
18–10
18–10
18–10
12–6
12–6
12–6
14–4
14–4
10–1/0
10–1/0
10–1/0
8–250 kcmil
8–250 kcmil
8–250 kcmil
3–300 kcmil
3–300 kcmil
15
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