3-12 Receiving & Installation
MN715
Table 3-6 and 3-7 list the wire size for the input AC power wires. Motor leads should be
sized from the 3 phase tables
.
Table 3-6 Single Phase Rating Wire Size and Protection Devices - 230 VAC Controls*
Control Rating
Input Breaker
Input Fuse (Amps)
Wire Gauge
Amps
HP
Input Breaker
(Amps)
Fast Acting
Time Delay
AWG
mm
2
6.9
0.75
10
10
9
14
2.5
8.0
1
10
12
10
14
2.5
12
2
15
20
17.5
14
2.5
17
3
25
25
25
12
3.31
28
5
40
45
35
10
5.26
40
7.5
50
60
50
8
8.37
50
10
70
80
70
6
13.3
68
15
90
110
90
4
21.2
88
20
110
150
125
3
26.7
110
25
150
175
150
2
33.6
136
30
175
200
175
1/0
53.5
176
40
225
250
250
3/0
85.0
216
50
275
350
300
(2) 1/0
(2) 53.5
Table 3-7 Single Phase Rating Wire Size and Protection Devices - 460 VAC Controls*
Control Rating
Input Breaker
Input Fuse (Amps)
Wire Gauge
Amps
HP
Input Breaker
(Amps)
Fast Acting
Time Delay
AWG
mm
2
3.5
0.75
5
5
5
14
2.5
4.0
1
5
6
5.6
14
2.5
6.0
2
7.5
10
8
14
2.5
8.5
3
12.5
15
12
14
2.5
14
5
17.5
20
20
12
3.31
20
7.5
25
30
25
10
5.26
25
10
40
40
30
10
5.26
34
15
45
50
45
8
8.37
44
20
60
70
60
8
8.37
55
25
70
80
70
6
13.3
68
30
90
100
90
4
21.2
88
40
110
150
125
3
26.7
108
50
150
175
150
2
33.6
*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.
