|
The following values of full-load
currents are motors running at usual speeds and motors with
normal torque characteristics. |
|
The voltages listed are rated motor
voltages. The currents listed shall be permitted for system
voltage ranges of 110 to 120, 220 to 240 volts. |
|
Table 430.248 Full-Load Currents in
Amperes, Single-Phase Alternating-Current Motors |
|
|
115 |
200 |
208 |
230 |
|
Horsepower |
Volts |
Volts |
Volts |
Volts |
|
1/6 |
4.4 |
2.5 |
2.4 |
2.2 |
|
1/4 |
5.8 |
3.3 |
3.2 |
2.9 |
|
1/2 |
9.8 |
5.6 |
5.4 |
4.9 |
|
3/4 |
13.8 |
7.9 |
7.6 |
6.9 |
|
1 |
16 |
9.2 |
8.8 |
8 |
|
1-1/2 |
20 |
11.5 |
11 |
10 |
|
2 |
24 |
13.8 |
13.2 |
12 |
|
3 |
34 |
19.6 |
18.7 |
17 |
|
5 |
56 |
32.2 |
30.8 |
28 |
|
7½ |
80 |
46 |
44 |
40 |
|
10 |
100 |
57.5 |
55 |
50 |
|
|
Notice: |
NEC is a registered
trademark of the National Fire Protection Association, Inc.
All NEC references by Electrical Helper are interpretations of the NEC
by the Electrical Helper staff and are not NEC statements. The official
position of the NEC requires that the NEC be referred to in its
entirety. |
 |
Article 430.22 (A)
states conductors supplying a single motor used in a continuous duty
application shall have any less than 125 percent of the motors full
load current rating determined by 430.6 (A)(1) |
|
|
See Article 430.6 (A)(1)
in the NEC for exceptions and referring tables. |
|
|
Table 430.248 Full Load
Current, 1 Phase AC Motors. |
|
