Publicité
Instruction Leaflet IL040016EN
Effective March 2014
Cable and Fuse Guidelines
North America Cable and Fuse Sizes—208 Vac to 240 Vac Ratings
208V Input
208V Input
Frame
Amp
Current
Current
Size
Suffix
(CT/I
)
(VT/I
H
FR1
3D7
3.2
4.4
4D8
4.4
6.1
6D6
6.1
7.2
7D8
7.2
10.2
011
10.2
11.6
FR2
012
10.2
16.3
017
16.2
23.2
025
23.1
29
FR3
031
28.7
44.2
048
44.4
56
FR4
061
56.4
64.6
075
69.4
78
088
81.4
94.3
FR5
114
105.5
129
143
132.3
157
170
157.3
189
FR6
211
195.2
4
261
241.4
4
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 recognized Class T fuse is recommended.
4
Available in 2015.
EATON
12
www.eaton.com
NEC
NEC
Motor Amp
Motor Amp
Rating
Rating
)
at 230V
at 208V
L
4.2
4.6
6.0
6.6
6.8
7.5
9.6
10.6
—
—
15.2
16.7
22
24.2
28
30.8
42
46.2
54
59.4
68
74.8
80
88
104
114
130
143
154
169
192
211
248
261
312
312
Current
Current
Fuse
(CT/I
)
(VT/I
)
Rating
H
L
at 50°C
at 40°C
(Class T)
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
4
261
312
4
®
®
, ANSI/NFPA
70.
PowerXL DG1 Series VFD
®
NEC
Terminal Connection Size
Wire Size (AWG)
(AWG)
Line and
Line and
Motor
Ground
Motor
14
14
24–10
14
14
24–10
14
14
24–10
14
14
24–10
12
14
24–10
10
12
20–6
8
10
20–6
8
10
20–6
6
10
6–2
4
8
6–2
3
8
6–1/0
2
6
6–1/0
1/0
6
6–1/0
3/0
6
1/0–350 kcmil
4/0
6
1/0–350 kcmil
300
4
1/0–350 kcmil
3
4
4
3
4
4
Ground
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
4
4
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