Instruction Leaflet IL040029EN
Effective December 2017
14
EATON
www.eaton.com
PowerXL DH1 Series VFD
Cable and fuse guidelines
North America cable and fuse sizes—208 Vac to 240 Vac ratings
Notes
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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
®
, ANSI/NFPA
®
70.
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Earthing conductor size is determined by the maximum overcurrent device rating used ahead of the drive according to UL 508C Table 6.4.
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If power cubes or bypass are used, a UL listed Class RK5, J, T or equivalent fuse is recommended.
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FR0 is not available till June 2018.
Frame size
Amp
suffix
208 V
input
current
(VT/I
L
)
NEC
motor amp
rating
at 230 V
NEC
motor amp
rating
at 208 V
Current
(VT/I
L
)
at 40 °C
Recommended
fuse
rating
NEC
®
wire size (AWG)
Terminal connection size (AWG)
Line and
motor
Ground
Line and
motor
Ground
FR0
���
4D8
5.6
4.2
4.6
4.8
10
14
14
26–10
18–10
6D6
7.6
6
6.6
6.6
10
14
14
26–10
18–10
7D8
9
6.8
7.5
7.8
15
14
14
26–10
18–10
FR1
4D8
4.4
4.2
4.6
4.8
10
14
14
24–10
18–10
6D6
6.1 6
6.6
6.6
10
14
14
24–10
18–10
7D8
7.2 6.8
7.5
7.8
10
14
14
24–10
18–10
011
10.2 9.6
10.6
11
15
14
14
24–10
18–10
012
11.6 —
—
12.5
15
12
12
24–10
18–10
FR2
017
16.3 15.2
16.7
17.5
20
10
10
20–6
12–6
025
23.2
22
24.2
25
30
8
10
20–6
12–6
031
29
28
30.8
31
35
8
10
20–6
12–6
FR3
048
44.2
42
46.2
48
60
6
6
6–2
14–4
061
56
54
59.4
61
80
4
6
6–2
14–4
FR4
075
64.6 68
74.8
75
100
3
4
6–1/0
10–1/0
088
78
80
88
88
110
2
4
6–1/0
10–1/0
114
94.3
104
114
114
125
1/0
3
6–1/0
10–1/0
FR5
143
129
130
143
143
175
3/0
3
1/0–350 kcmil
8–250 kcmil
170
157
154
169
170
200
4/0
3
1/0–350 kcmil
8–250 kcmil
211
189
192
211
211
250
300
3
1/0–350 kcmil
8–250 kcmil
FR6
261
242.8
248
273
261
400
2*2/0
3
2*(1/0–300 kcmil)
3–300 kcmil
312
290.3
312
343
312
400
2*4/0
3
2*(1/0–300 kcmil)
3–300 kcmil
