Three-Phase Motor Maximum Cable Length - Grundfos SP Series Installation And Operating Instructions Manual

7.5 Three-phase motor maximum cable length

Use of wire size smaller than listed will void warranty.
Caution
Volts Hp
14
1.5 310
2 240
3 180
5
7.5
208
10
15
20
25
30
1.5 360
2 280
3 210
5
7.5
230
10
15
20
25
30
1.5 1700
2 1300
3 1000
5 590
7.5 420
10 310
15
20
25
460 30
40
50
60
75
100
125
150
200
250
22
Three-phase motor maximum cable length [ft]
(Motor to service entrance) (2)
12 10 8 6
500 790 1260
390 610 970 1520
290 470 740 1160
170 280 440 690
200 310 490
230 370
250
580 920 1450
450 700 1110 1740
340 540 860 1340
200 320 510 800
230 360 570
270 420
290
2070
1600 2520
950 1500 2360
680 1070 1690 2640
500 790 1250 1960
540 850 1340
410 650 1030
530 830
430 680
Wire size
4 2 0 00
1810
1080 1660
770 1180 1770
570 880 1330 1640
390 600 910 1110
300 460 700 860
370 570 700
310 470 580
2080
1240 1900
890 1350 2030
660 1010 1520 1870
450 690 1040 1280
350 530 810 990
280 430 650 800
350 540 660
3050
2090 3200
1610 2470 3730
1300 1990 3010 3700
1070 1640 2490 3060
790 1210 1830 2250
640 980 1480 1810
830 1250 1540
1030 1260
940
000 0000 250 300
1340
1050 1270
840 1030 1170
700 850 970 1110
1540
1200 1450
970 1170 1340
800 970 1110 1270
3700
2710 3290
2190 2650 3010
1850 2240 2540 2890
1520 1850 2100 2400
1130 1380 1560 1790
1080 1220 1390
1050 1190
1080 1300
1080