Baldor 18H Series Installation & Operating Manual page 22

Section 1
General Information
Table 3-5 Wire Size and Protection Devices - 460 VAC Controls
Control O tp t Control Output
P Power Rating R ti
1
2
3
5
7.5
10
15
20
25
30
40
50
60
75
100
125
150
200
250
300
350
400
450
500
Note: All wire sizes based on 75 C copper wire, 3% line impedance. Higher temperature smaller gauge wire may be
used per NEC and local codes. Recommended fuses/breakers are based on 25 C ambient, maximum
continuous control output current and no harmonic current.
MN718
p Input Inp t p
Breaker B k
Fast Acting
4A
10A
10A
10A
15A
20A
25A
30A
40A
45A
60A
70A
90A
125A
150A
175A
200A
250A
350A
400A
500A
600A
600A
800A 1000A
Input Fuse Inp t F se
Time Delay
4A 3A
5A 4A
8A 6A
12A 9A
20A 15A
25A 17.5A
30A 25A
40A 30A
50A 40A
60A 45A
80A 60A
100A 75A
125A 90A
150A 125A
200A 150A
250A 175A
300A 200A
350A 250A
450A 350A
500A 400A
600A 500A
800A 600A
800A 600A
800A
Wire Ga ge Wire Gauge
2
AWG mm
14 2.5
14 2.5
14 2.5
14 2.5
14 2.5
12 4
10 6
8 10
8 10
6 16
4 25
4 25
2 35
1/0 54
2/0 70
2/0 70
4/0 120
(2)1/0 (2)54
(2)3/0 (2)95
(2)4/0 (2)120
(3)4/0 (3)120
(3)250 mcm (3)125
(3)250 mcm (3)125
(3)350 mcm (3)185
Receiving & Installation 3-11