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ELECTRICAL | AUTOMATION
DESIGN/BUILD
AC MOTOR STARTER SELECTION CHART
3PH
Motor
Starter (
Controller
) Sizing Chart
Horse Power (HP)
NEMA Size
Amps
200V
230V
480V
575V
00
9
1.5
1.5
2
2
0
18
3
3
5
5
1
27
7.5
7.5
10
10
2
45
10
15
25
25
3
90
25
30
50
50
4
135
40
50
100
100
5
270
75
100
200
200
6
540
150
200
400
400
7
810
300
600
600
8
1215
450
900
900
9
2250
800
1600
1600
Source: Canadian Electrical Code and National Electrical Code
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