3-8 Receiving & Installation MN715

Table 3-4 575VAC Controls (3 Phase) Wire Size and Protection Devices
Control Rating Input Breaker Input Fuse (Amps) Wire Gauge
Amps HP (Amps) Fast Acting Time Delay AWG mm2
1.1 0.75 2 1.5 14 2.5
1.4 1 2.5 2 14 2.5
2.7 2 5 4 14 2.5
3.9 3 6 5 14 2.5
6.1 5 10 9 14 2.5
9.0 7.5 15 12 14 2.5
11 10 20 15 14 2.5
17 15 25 30 25 12 3.31
22 20 30 35 30 10 5.26
27 25 40 40 35 10 5.26
32 30 40 50 40 8 8.37
41 40 60 60 50 8 8.37
52 50 70 80 70 6 13.3
62 60 80 100 80 6 13.3
77 75 100 125 100 4 21.2
99 100 125 150 125 3 26.7
125 125 175 200 175 1/0 53.5
144 150 200 225 200 2/0 67.4
192 200 250 300 250 4/0 107.0
242 250 300 350 300 (2) 2/0 (2) 67.4
289 300 400 450 400 (2) 3/0 (2) 85.0
336 350 450 500 450 (3) 2/0 (3) 67.4
382 400 500 600 500 (3) 3/0 (3) 85.0
412 450 500 650 500 (3) 3/0 (3) 85.0
472 500 600 750 600 (3) 4/0 (3) 107.0

Note: All wire sizes are based on 75°C copper wire. Higher temperature smaller gauge wire may be used per NEC

and local codes. Recommended fuses/breakers are based on 40°C ambient, maximum continuous control
output current and no harmonic current.