Cable Power And Motor Wiring Guidelines; North America Cable And Fuse Sizes-208-240 Vac Ratings - Johnson Controls VSD II Series Installation Manual

Appendix B

Cable Power and Motor Wiring Guidelines

See Page 24 for cable stripping guidelines.
North America Cable and Fuse Sizes—208–240 Vac Ratings
NEC
Motor
Amp
Rating
Amp at
Frame Suffix hp 208 Vac
FS4 3D7 0.75 3.5
4D8 1.0 4.6
6D6 1.5 6.6
8D0 2 7.5
011 3 10.6
012 4 N/A
FS5 018 5 16.7
024 7.5 24.2
031 10 30.8
FS6 048 15 46.2
062 20 59.4
FS7 075 25 74.9
088 30 88
105 40 114
FS8 140 50 143
170 60 169
205 75 211
FS9 261 100 273
310 125 343
Note:
1. If power cubes are used, a UL recognized Type T fuse is recommended.
2. Based on maximum environment of 104°F (40°C).
3. If bypass is used, a UL recognized Type T fuse is recommended.
NEC
Motor VSD VSD
Amp I(L) I(L)
Rating Amps Amps
at at at
230 Vac 40°C 50°C
2.2 3.7 2.6
4.2 4.8 3.7
6.0 6.6 4.6
6.8 8.0 6.6
9.6 11 8.0
N/A 12 9.0
15.2 18 12.5
22 24 18.0
28 31 25.0
42 48 31.0
54 62 48
68 75 62
80 88 75
104 105 88
130 140 114
154 170 140
192 205 170
248 261 211
312 310 251
VSD Series II LIT-12011772—October 2012 www.johnsoncontrols.com
NEC Wire Size
(AWG)
[kW]
230V Fuse Line
at Rating and
50 Hz (Class T) Motor
0.55 10 14
0.75 10 14
1.1 10 14
1.5 10 14
2.2 15 14
3 15 14
4 20 12
5.5 30 10
7.5 40 8
11 60 4
15 80 3
18.5 100 2
22 110 1
30 125 2/0
37 175 2/0
45 200 250
kcmil
55 250 350
kcmil
75 350 500
kcmil
90 400 2X
250
kcmil
Appendix B
Terminal
Connection Size
(AWG)
Line
and
Ground Motor Ground
14 24–10 18–10
14 24–10 18–10
14 24–10 18–10
14 24–10 18–10
14 24–10 18–10
14 24–10 18–10
12 20–6 18–8
10 20–6 18–8
10 20–6 18–8
8 14–0 14–2
8 14–0 14–2
8 10–2/0 10–2/0
6 10–2/0 10–2/0
6 10–2/0 10–2/0
6 1–350 1–350
kcmil kcmil
6 1–350 1–350
kcmil kcmil
4 1–350 1–350
kcmil kcmil
4 1–350 1–350
kcmil kcmil
3 1–350 1–350
kcmil kcmil
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