Electrical Data Fuse-Circuit Breaker Size Chart
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1FUSE
CIRCUIT
SERVICE
MOTOR HP
VOLTS
LOAD AMPS
MAX SIZE
BREAKER
DISCONNECT AMPS
3/208
10.6
15
20
30
3 HP
3/230
9.6
15
20
30
3/460
4.8
10
15
30
3/208
16.7
30
40
30
5 HP
3/230
15.2
25
40
30
3/460
7.6
15
20
30
3/208
30.8
50
80
60
10 HP
3/230
28
50
70
60
3/460
14
25
35
30
3/208
46.2
60
90
60
15 HP
3/230
42
60
90
60
3/460
21
30
40
30
3/208
59.4
100
125
100
20 HP
3/230
54
90
125
100
3/460
27
45
60
60
3/208
88
150
225
200
30 HP
3/230
80
150
200
200
3/460
40
70
100
100
3/208
143
250
350
400
50 HP
3/230
130
225
350
400
3/460
65
100
150
100
3/4 HP
1/120
13.8
20
20
30
1/230
6.9
10
15
30
3 HP
1/208
18.7
30
45
30
1/230
17
25
40
30
5 HP
1/208
30.8
50
80
60
1/230
28
45
70
60
10 HP
1/208
55
100
125
100
1/230
50
90
125
100
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