Approximate Full Load Three Phase Motor Amperes

Full Load Amperes
Horsepower 208 V 230 V 460 V 575 V Minimum
Transformer
KVA
1/2 2.2 2.0 1.0 0.8 0.9
3/4 3.1 2.8 1.4 1.1 1.2
1 4.0 3.6 1.8 1.4 1.5
1-1/2 5.7 5.2 2.6 2.1 2.1
2 7.5 6.8 3.4 2.7 2.7
3 10.7 9.6 4.8 3.9 3.8
5 16.7 15.2 7.6 6.1 6.3
7-1/2 24 22 11 9 9.2
10 31 28 14 11 11.2
15 46 42 21 17 16.6
20 59 54 27 22 21.6
25 75 68 34 27 26.6
30 88 80 40 32 32.4
40 114 104 52 41 43.2
50 143 130 65 52 52
60 170 154 77 62 64
75 211 192 96 77 80
100 273 248 124 99 103
125 342 312 156 125 130
150 396 360 180 144 150
200 528 480 240 192 200
(1) When motor service factor is greater than 1, increase full load amps proportionally.
     Example: If service factor is 1.15, increase above amp values by 15%.
Note: If motors are started more than once per hour add 20% additional KVA.
(Table by Acme Electric Corporation).

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