35
Electrical Data
MS Motors
Motor Cable Selection Chart
(Motor Service to Entrance)
Single Phase, 60 Hz
Three Phase, 60 Hz
Motor Rating Copper Wire Size
VoltsHP14121086420000000000 250 300
115
1/3 130 210 340 540 840 1300 1960 2910 - - - - -
1/2 100 160 250 390 620 960 1460 2160 - - - - -
230
1/3 550 880 1390 2190 3400 5250 7960 ------
1/2 400 650 1020 1610 2510 3880 5880 ------
3/4 300 480 760 1200 1870 2890 4370 6470 - - - - -
1 250 400 630 990 1540 2380 3610 5360 6520 - - - -
1 1/2 190 310 480 770 1200 1870 2850 4280 5240 - - - -
2 150 250 390 620 970 1530 2360 3620 4480 - - -
3 120 190 300 470 750 1190 1850 2890 3610 - - - -
5 - - 180 280 450 710 1110 1740 2170 - - - -
7 1/2 - - - 200 310 490 750 1140 1410 - - - -
10 - - - - 250 390 600 930 1160 - - - -
Motor Rating Copper Wire Size
VoltsHP14121086420000000000 250 300
208
1 1/23105007901260---------
2 240 390 610 970 1520 - - ------
3 180 290 470 740 1160 1810 - ------
5 - 170 280 440 690 1080 1660 ------
7 1/2 - - 200 310 490 770 1180 1770 - - - - -
10 - - - 230 370 570 880 1330 1640 - - - -
15 - - - - 250 390 600 910 1110 1340 - - -
20 - - - - - 300 460 700 860 1050 1270 - -
25 - - - - - - 370 570 700 840 1030 1170 -
30 - - - - - - 310 470 580 700 850 970 1110
230
1 1/23605809201450---------
2 280 450 700 1110 1740 - - ------
3 210 340 540 860 1340 2080 - ------
5 - 200 320 510 800 1240 1900 ------
7 1/2 - - 230 360 570 890 1350 2030 - - - - -
10 - - - 270 420 660 1010 1520 1870 - - - -
15 - - - - 290 450 690 1040 180 1540 - - -
20 - - - - - 350 530 810 990 1200 1450 - -
25 - - - - - 280 430 650 800 970 1170 1340 -
30 - - - - - - 350 540 660 800 970 1110 1270
MS.book Page 35 Wednesday, January 26, 2005 3:25 PM