BF 100 - 6
Page 21
Special Edition, Rev. 0 Chg. 0
BAUER
COMPRESSORS
The use of improperly sized wire can result in sluggish operation, unnecessary tripping of overload
relays and/or blowing of fuses. The following tables are provided as a guide for proper wire size.
1 PHASE
Motor
hp
Full Load Amps
Fuse Amps
a
a.
Dual element time delay fuse amps.
Minimum Wire Size
b
b.
Normal copper wire with THW, THWN, or XHHW insulation.
120V
208V
230V
120V
208V
230V
120V
208V
230V
2
24
13.2
12
30
20
17.5
10
…
14
3
34
18.7
17
50
30
25
8
10
10
5
56
30.8
28
80
50
40
4
8
8
7.5
80
44
40
100
70
60
3
8
8
10
…
55
50
…
90
60
…
6
6
3 PHASE
Motor
hp
Full Load Amps
Fuse Amps
a
a.
Dual element time delay fuse amps.
Minimum Wire Size
b
b.
Normal copper wire with THW, THWN or XHHW insulation.
208V
230V
460V
208V
230V
460V
208V
230V
460V
2
7.5
6.8
3.4
12
10
5.6
14
14
14
3
10.6
9.6
4.8
17.5
15
8
14
14
14
5
16.7
15.2
7.6
25
25
12
10
12
14
7.5
24.2
22
11
40
30
17.5
8
10
14
10
30.8
28
14
50
40
20
8
8
12
15
46.2
42
21
60
60
30
6
6
10
20
59.4
54
27
90
80
40
4
4
8
25
74.8
68
34
100
100
50
3
4
8
30
88
80
40
125
100
60
2
3
8
40
114
104
52
175
150
80
0
1
6
50
143
130
65
200
200
100
3/0
2/0
4
60
169
154
77
250
200
100
4/0
3/0
3
75
211.2
192
96
300
300
150
300
250
1
100
273
248
124
400
350
175
500
350
2/0
125
343.2
312
156
500
400
200
2-4/0
2-3/0
3/0
150
396
360
180
600
500
250
2-300
2-4/0
4/0
