Service Manual
8
8
Commonly Used Formulas
(Single Phase) (Balanced 3 phase)
࢙ =
ࢃࢇ࢚࢚࢙
ࢂ࢚࢙
࢙ =
ࢃࢇ࢚࢚࢙
ࢂ࢚࢙ ࢞ .ૠ
ࢃࢇ࢚࢚࢙ = ࢙ ࢞ ࢂ࢚࢙ ࡻࢎ࢙ =
ࢂ࢚࢙
ࢃࢇ࢚࢚࢙
Common Service Wire Configurations
Full Load Current (Amps)
208 Volt 240 Volt 277 Volt 380 Volt 415 Volt 480 Volt 600 Volt
kW 1 Ph 3 Ph 1 Ph 3 Ph 1 Ph 3 Ph 3 Ph 1 Ph 3 Ph 3 Ph
6 28.8 16.6 25.0 14.4 21.6 9.1 8.3 12.5 7.2 5.8
9 43.2 25.0 37.2 21.6 32.4 13.6 12.5 18.7 10.8 8.7
12 57.6 33.3 50.0 28.9 43.3 18.2 16.7 25.0 14.4 11.5
13.5 64.9 37.5 56.2 32.5 48.7 20.5 18.8 28.1 16.2 13.0
15 72.1 41.6 62.5 36.1 54.1 22.7 20.9 31.2 18.0 14.4
18 86.5 50.0 75.0 43.4 64.0 27.3 25.0 37.5 21.6 17.3
24 115.4 66.7 100.0 57.8 86.6 36.4 33.4 50.0 28.9 23.1
27 129.8 75.0 112.5 65.0 97.4 41.0 37.5 56.2 32.5 26.0
30 144.2 83.3 125.0 72.2 108.3 45.6 41.7 62.5 36.1 28.9
36 173.0 100.0 150.0 86.7 129.9 54.7 50.1 75.0 43.3 34.6
45 216.3 125.0 187.5 108.3 162.4 68.4 62.6 93.7 54.1 43.3
54 259.6 150.0 225.0 130.0 194.9 82.0 75.1 112.5 65.0 52.0