MVT26
October 2003 Section A Page 107
In the above tables, all values are based on 1996 NEC articles 430 and 310 (NFPA 70). These values are
provided as a general guide; however, the information given on the motor nameplate supersedes the
above information.
3 PHASE
Motor
hp
Full Load Amps
Fuse Amps
a
a. Dual element time delay fuse amps.
Minimum Wire Size
b
b. Normal copper wire with THW, THWN or XHHW insulation.
208V 230V 460V 208V 230V 460V 208V 230V 460V
2 7.5 6.8 3.4 12 10 5.6 14 14 14
3 10.6 9.6 4.8 17.5 15 8 14 14 14
5 16.7 15.2 7.6 25 25 12 10 12 14
7.5 24.2 22 11 40 30 17.5 8 10 14
10 30.8 28 14 50 40 20 8 8 12
15 46.2 42 21 60 60 30 6 6 10
20 59.4 54 27 90 80 40 4 4 8
25 74.8 68 34 100 100 50 3 4 8
30 88 80 40 125 100 60 2 3 8
40 114 104 52 175 150 80 0 1 6
50 143 130 65 200 200 100 3/0 2/0 4
60 169 154 77 250 200 100 4/0 3/0 3
75 211.2 192 96 300 300 150 300 250 1
100 273 248 124 400 350 175 500 350 2/0
125 343.2 312 156 500 400 200 2-4/0 2-3/0 3/0
150 396 360 180 600 500 250 2-300 2-4/0 4/0