SECTION 6 SUPERVISOR CONTROLLERâ„¢ USER MANUAL
35
Table 6-1: Conductor and Fuse Sizes (380/460V)
HP Size (A) Fuse (A)
Wire Size Power
(75
o
C Rated
Wire)
Wire Size
Ground
Wire Size Power
(90
o
C Rated
Wire)
Wire Size Ground
15 23 30 10 10 10 10
20 31 35 8 8 8 8
25 38 50 6 8 8 8
30 46 60 4 8 6 8
40 61 80 2 6 2 6
50 72 100 2 6 2 6
60 87 110 1 6 2 6
75 105 125 1/0 4 1 6
100 140 175 3/0 2 2/0 2
125 170 200 4/0 1/0 4/0 1/0
150 205 250 300 2/0 4/0 1/0
200 261 350 2x4/0 3/0 2x2/0 2/0
250 385 400 2x250 300 2x3/0 3/0
300 385 450 2x250 300 2x250 300
350 460 500 2x300 300 2x300 300
400 520 600 2x400 350 2x350 300
450 590 6x350 2x500 500 2x400 400
Table 6-2: Conductor and Fuse Sizes (575V)
HP Size (A) Fuse (A)
Wire Size
Power
(75
o
C Rated
Wire)
Wire Size
Ground
Wire Size
Power
(90
o
C Rated
Wire)
Wire Size
Ground
15 18 30 10 10 10 10
20 27 40 8 8 8 8
25 34 45 6 8 8 8
30 34 45 6 8 8 8
40 52 70 4 6 4 6
50 62 80 2 6 2 6
60 80 125 1/0 6 1 6
75 100 150 2/0 6 1/0 6
100 125 175 3/0 6 2/0 2
125 144 250 300 1/0 4/0 1/0
150 170 250 350 2/0 300 1/0
200 208 275 350 2/0 300 1/0
250 261 350 2x4/0 3/0 2x2/0 2/0
300 325 400 2x250 300 2x250 300
350 385 450 2x300 300 2x300 300
400 460 6x250 2x300 300 2x300 300
450 460 6x250 2x300 300 2x300 300
*UL Recognized Type RK
*Use only copper wire with minimum temperature rating of 75*C
*Based on Maximum environment of 104*F (40*C)
*Refer to NEC Ariticle 310 for Proper Conductor Size Requirements