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| Motor Starter Sizing Chart - For Single and Three Phase Motors |
| Motor Starters |
CONTACT US FOR HELP WITH YOUR MOTOR STARTER NEEDS
Maximum HORSEPOWER Full Voltage Auto Transformer Part Winding NEMA
MAXIMUM HORSEPOWER
SINGLE-PHASE MOTORS
NEMA SIZE
115 Volts
230 Volts
00
1/3
1
0
1
2
1
2
3
1 1/2
3
5
2
7
3
7 1/2
15
3 PHASE MOTORS
Starting
Starting
Starting
WYE - Delta
Starting
SIZE
200V
230V
460V
575V
200V
230V
460V
575V
200V
230V
460V
575V
200V
230V
460V
575V
00
1.5
1.5
2
--
--
--
--
--
--
--
--
--
0
3
3
5
--
--
--
--
--
--
--
--
--
1
7.5
7.5
10
7.5
7.5
10
10
10
15
10
10
15
2
10
15
25
10
15
25
20
25
40
20
25
40
3
25
30
50
25
30
50
40
50
75
40
50
75
4
40
50
100
40
50
100
75
75
150
60
75
150
5
75
100
200
75
100
120
150
150
350
150
150
300
6
150
200
400
150
200
400
--
300
600
300
350
700
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