Appendix B—Installation Guidelines
46
DG1 Series VFD
MN040002EN—March 2014
www.eaton.com
Appendix B—Installation Guidelines
Cable and Fuse Sizing
See
Page 30
for cable stripping guidelines.
Table 29. North America Cable and Fuse Sizes—208 Vac to 240 Vac Ratings
Notes
1
Line and motor cable size is selected according to UL508C 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.
2
Earthing conductor size is determined by the maximum overcurrent device rating used ahead of the drive according to UL508C Table 6.4.
3
If power cubes or bypass are used, a UL recognized Class T fuse is recommended.
4
Available in 2015.
Frame
Size
Amp
Suffix
208V
Input
Current
(CT/I
H
)
208V
Input
Current
(VT/I
L
)
NEC
Motor Amp
Rating
at 230V
NEC
Motor Amp
Rating
at 208V
Current
(CT/I
H
)
at 50°C
Current
(VT/I
L
)
at 40°C
Fuse
Rating
(Class T)
NEC
Wire Size (AWG)
Terminal
Connection Size
(AWG)
Line and
Motor
Ground
Line and
Motor
Ground
FR1
3D7
3.2 4.4
4.2
4.6
3.7
4.8
10
14
14
24–10
18–10
4D8
4.4 6.1 6.0
6.6
4.8
6.6
10
14
14
24–10
18–10
6D6
6.1 7.2 6.8
7.5
6.6
7.8
10
14
14
24–10
18–10
7D8
7.2 10.2 9.6
10.6
7.8
11
15
14
14
24–10
18–10
011
10.2 11.6 —
—
11
12.5
15
12
14
24–10
18–10
FR2
012
10.2 16.3 15.2
16.7
12.5
17.5
20
10
12
20–6
12–6
017
16.2 23.2
22
24.2
17.5
25
30
8
10
20–6
12–6
025
23.1 29
28
30.8
25
31
35
8
10
20–6
12–6
FR3
031
28.7 44.2
42
46.2
31
48
60
6
10
6–2
14–4
048
44.4 56
54
59.4
48
61
80
4
8
6–2
14–4
FR4
061
56.4 64.6 68
74.8
61
75
100
3
8
6–1/0
10–1/0
075
69.4 78
80
88
75
88
110
2
6
6–1/0
10–1/0
088
81.4 94.3
104
114
88
114
125
1/0
6
6–1/0
10–1/0
FR5
114
105.5 129
130
143
114
143
175
3/0
6
1/0–350
kcmil
8–250
kcmil
143
132.3 157
154
169
143
170
200
4/0
6
1/0–350
kcmil
8–250
kcmil
170
157.3 189
192
211
170
211
250
300
4
1/0–350
kcmil
8–250
kcmil
FR6
211
195.2
4
248
261
211
261
4
4
3
4
4
261
241.4
4
312
312
261
312
4
4
3
4
4
Summary of Contents for PowerXL DG1-32011FB-C21C
Page 1: ...PowerXL DG1 Series VFD Installation Manual Effective March 2014 New Information ...
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