Franklin 2007 用户手册
Application – Three-Phase Motors
Table 23 Three-Phase Motor Fuse Sizing
TYPE
MOTOR
MODEL
PREFIX
PREFIX
RATING
CIRCUIT BREAKERS OR FUSE AMPS
CIRCUIT BREAKERS OR FUSE AMPS
(MAXIMUM PER NEC)
(TYPICAL SUBMERSIBLE)
STANDARD
FUSE
DUAL ELEMENT TIME
DELAY FUSE
CIRCUIT
BREAKER
STANDARD
FUSE
DUAL ELEMENT TIME
DELAY FUSE
CIRCUIT
BREAKER
HP
KW
VOLTS
4"
234501
1/2
0.37
200
10
5
8
10
4
15
234511
1/2
0.37
230
8
4.5
6
8
4
15
234541
1/2
0.37
380
5
2.5
4
5
2
15
234521
1/2
0.37
460
4
2.25
3
4
2
15
234502
3/4
0.55
200
15
7
10
12
5
15
234512
3/4
0.55
230
10
5.6
8
10
5
15
234542
3/4
0.55
380
6
3.5
5
6
3
15
234522
3/4
0.55
460
5
2.8
4
5
3
15
234503
1
0.75
200
15
8
15
15
6
15
234513
1
0.75
230
15
7
10
12
6
15
234543
1
0.75
380
8
4.5
8
8
4
15
234523
1
0.75
460
6
3.5
5
6
3
15
234504
1.5
1.1
200
20
12
15
20
8
15
234514
1.5
1.1
230
15
9
15
15
8
15
234544
1.5
1.1
380
10
5.6
8
10
4
15
234524
1.5
1.1
460
8
4.5
8
8
4
15
234534
1.5
1.1
575
6
3.5
5
6
3
15
234305
2
1.5
200
25
15
20
25
11
20
234315
2
1.5
230
25
12
20
25
10
20
234345
2
1.5
380
15
8
15
15
6
15
234325
2
1.5
460
15
6
10
11
5
15
234335
2
1.5
575
10
5
8
10
4
15
234306
3
2.2
200
35
20
30
35
15
30
234316
3
2.2
230
30
17.5
25
30
12
25
234346
3
2.2
380
20
12
15
20
8
15
234326
3
2.2
460
15
9
15
15
6
15
234336
3
2.2
575
15
7
10
11
5
15
234307
5
3.7
200
60
35
50
60
25
50
234317
5
3.7
230
50
30
40
45
20
40
234347
5
3.7
380
30
17.5
25
30
12
25
234327
5
3.7
460
25
15
20
25
10
20
234337
5
3.7
575
20
12
20
20
8
20
234308
7.5
5.5
200
90
50
70
80
35
70
234318
7.5
5.5
230
80
45
60
70
30
60
234348
7.5
5.5
380
45
25
40
40
20
40
234328
7.5
5.5
460
40
25
30
35
15
30
234338
7.5
5.5
575
30
17.5
25
30
12
25
234349
10
7.5
380
70
40
60
60
25
60
234329
10
7.5
460
60
30
45
50
25
45
234339
10
7.5
575
45
25
35
40
20
35
234549
10
7.5
380
70
35
60
60
25
60
234595
10
7.5
460
60
30
45
50
25
45
234598
10
7.5
575
45
25
35
40
20
35
23