36
460
1 1/2 1700 - - ----------
2 1300 2070 - ----------
3 1000 1600 2520 ----------
5 590 950 1500 2360 - - - ------
7 1/2 420 680 1070 1690 2640 - - ------
10 310 500 790 1250 1960 3050 - ------
15 - - 540 850 1340 2090 3200 ------
20 - - 410 650 1030 1610 2470 3730 - - - - -
25 - - - 530 830 1300 1990 3010 3700 - - - -
30 - - - 430 680 1070 1640 2490 3060 3700 - - -
40 - - - - - 790 1210 1830 2250 2710 3290 - -
50 - - - - - 640 980 1480 1810 2190 2650 3010 -
60 - - - - - - 830 1250 1540 1850 2240 2540 2890
75-------10301260 1520 1850 2100 2400
100--------94011301380 1560 1790
125----------1080 1220 1390
150-----------10501190
200-----------10801300
250------------1080
575
1 1/2 2620 - - ----------
2 2030 - - ----------
3 1580 2530 - ----------
5 920 1480 2330 ----------
7 1/2 660 1060 1680 2650 - - - ------
10 490 780 1240 1950 - - - ------
15 - 530 850 1340 2090 - - ------
20 - - 650 1030 1610 2520 - ------
25 - - 520 830 1300 2030 3110 ------
30 - - - 680 1070 1670 2560 3880 - - - - -
40 - - - - 790 1240 1900 2860 3510 - - - -
50 - - - - - 1000 1540 2310 2840 3420 - - -
60 - - - - - 850 1300 1960 2400 2890 3500 - -
75 - - - - - - 1060 1600 1970 2380 2890 3290 -
100-------11901460 1770 2150 2440 2790
1. If aluminum conductor is used, multiply lengths by 0.5. Maximum allowable length of aluminum is considerably shorter than copper wire of same size.
2. The portion of the total cable which is between the service entrance and a 3ø motor starter should not exceed 25% of the total maximum length to assure
reliable starter operation. Single-Phase control boxes may be connected at any point of the total cable length.
3. Cables #14 to #0000 are AWG sizes, and 250 to 300 are MCM sizes.
Motor Rating Copper Wire Size
VoltsHP14121086420000000000 250 300
Electrical Data
MS Motors
MS.book Page 36 Wednesday, January 26, 2005 3:25 PM
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