Motor Fuse Sizing And Cable Selection - Pentair Pentek Series Electronic Manual

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SECTION 6: Pentek

6.6 Motor Fuse Sizing and Cable Selection

CABLE SELECTION
COPPER CABLE SIZE - From Main Breaker Panel to Motor (in feet)
MOTOR
FUSE
VOLTS /
Dual
HZ
HP KW
STD
Element
THREE PHASE
5
3.7
45
25
7.5
5.5
60
40
10
7.5
90
50
230 V
15
11
125
80
60 hz
20
15
175
110
25
18.5
225
125
30
22
250
125
5
3.7
20
10
7.5
5.5
30
20
10
7.5
45
25
460 V
60 hz
15
11
70
40
or
20
15
90
50
380 V
50 hz
25
18.5
110
60
30
22
125
70
40
30
150
100
lengths only meet the us National electrical code ampacity requirements for individual conductors rated 60° c in free air or water, Not in magnetic enclosures, conduit or direct buried. refer
to Nec table 310.15(B)(17) for more information.
CABLE SELECTION
COPPER CABLE SIZE - From Main Breaker Panel to Motor (in feet)
MOTOR
FUSE
VOLTS /
Dual
HZ
HP KW
STD
Element
THREE PHASE
5
3.7
45
25
7.5
5.5
60
40
10
7.5
90
50
230 V
15
11
125
80
60 hz
20
15
175
110
25
18.5
225
125
30
22
250
125
5
3.7
20
10
7.5
5.5
30
20
10
7.5
45
25
460 V
60 hz
15
11
70
40
or
20
15
90
50
380 V
50 hz
25
18.5
110
60
30
22
125
70
40
30
150
100
lengths only meet the us National electrical code ampacity requirements for individual conductors rated 75° c in free air or water, Not in magnetic enclosures, conduit or direct buried. refer
to Nec table 310.15(B)(17) for more information.
6" Submersible Motors
®
14
12
10
8
6
4
154
245
391
620
965
1538 1933 2442 3076 3883 4899 6184 7791 9198
-
174
277
438
682
1087 1367 1726 2174 2745 3463 4372 5508 6502 7806 9124
-
-
-
308
479
764
-
-
-
216
337
537
-
-
-
-
251
400
-
-
-
-
-
332
-
-
-
-
-
-
617
982
1566 2480 3859 6152 7734 9767
436
694
1107 1753 2728 4349 5467 6904 8698
307
488
778
1233 1918 3057 3844 4854 6115 7719 9738
-
343
546
865
1347 2147 2699 3408 4293 5419 6837 8631
-
-
408
646
1005 1601 2013 2543 3203 4043 5101 6439 8113 9578
-
-
-
535
833
1328 1669 2108 2655 3351 4228 5338 6725 7939 9531
-
-
-
479
745
1187 1492 1884 2374 2997 3781 4773 6013 7099 8522 9961
-
-
-
-
546
870
14
12
10
8
6
4
-
245
391
620
965
1538 1933 2442 3076 3883 4899 6184 7791 9198
-
-
277
438
682
1087 1367 1726 2174 2745 3463 4372 5508 6502 7806 9124
-
-
-
308
479
764
-
-
-
-
337
537
-
-
-
-
-
400
-
-
-
-
-
-
-
-
-
-
-
-
617
982
1566 2480 3859 6152 7734 9767
436
694
1107 1753 2728 4349 5467 6904 8698
-
488
778
1233 1918 3057 3844 4854 6115 7719 9738
-
-
546
865
1347 2147 2699 3408 4293 5419 6837 8631
-
-
-
646
1005 1601 2013 2543 3203 4043 5101 6439 8113 9578
-
-
-
535
833
1328 1669 2108 2655 3351 4228 5338 6725 7939 9531
-
-
-
-
745
1187 1492 1884 2374 2997 3781 4773 6013 7099 8522 9961
-
-
-
-
-
870
AWG
3
2
1
0
00
000 0000 250
961
1213 1529 1930 2434 3073 3872 4571 5488 6415 7334 9125
675
852
1073 1355 1709 2158 2719 3210 3853 4504 5149 6407
503
636
801
1011 1275 1610 2028 2394 2874 3360 3842 4780
417
527
664
838
1057 1334 1681 1985 2383 2785 3184 3962
373
471
593
749
945
1193 1503 1775 2130 2490 2847 3543
1093 1381 1740 2196 2770 3497 4406 5202 6244 7299 8345
AWG
3
2
1
0
00
000 0000 250
961
1213 1529 1930 2434 3073 3872 4571 5488 6415 7334 9125
675
852
1073 1355 1709 2158 2719 3210 3853 4504 5149 6407
503
636
801
1011 1275 1610 2028 2394 2874 3360 3842 4780
417
527
664
838
1057 1334 1681 1985 2383 2785 3184 3962
-
471
593
749
945
1193 1503 1775 2130 2490 2847 3543
1093 1381 1740 2196 2770 3497 4406 5202 6244 7299 8345
60˚
MCM
300
350
400
500
75° C
MCM
300
350
400
500
29

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