RA Mueller - Motor Wiring Data

Pump Handbook

Motor Wiring Data

480 VOLT MOTOR WIRING DATA

MOTOR HP

NEMA AMPS

STARTER SIZE

HMCP SIZE

FUSE SIZE

OVER LOAD

PHASE WIRES

GND

CONDUIT SIZE

1/2

1.0

1

3

W30

12

12

3/4

3/4

1.4

1

3

W33

12

12

3/4

1

1.8

1

3

W36

12

12

3/4

1 1/2

2.6

1

7

W40

12

12

3/4

2

3.4

1

7

W42

12

12

3/4

3

4.8

1

7

W45

12

12

3/4

5

7.5

1

15

W50

12

12

3/4

7 1/2

11

1

15

W54

12

12

3/4

10

14

1

30

W56

10

10

3/4

15

21

2

50

W61

10

10

3/4

20

27

2

50

W64

8

8

1

25

34

2

70

W67

6

6

1 1/4

30

40

3

100

W67

6

6

1 1/4

40

52

3

100

W69

4

4

1 1/4

50

65

3

100

W72

4

4

1 1/4

60

77

4

150

W74

2

2

1 1/2

75

96

4

150

W77

2

2

1 1/2

100

125

4

200

W36

2/0

2

2

125

156

5

250

W38

4/0

1/0

2 1/2

150

180

5

400

W40

4 /0

1/0

2 1/2

200

240

5

400

W43

350

2/0

3

250

300

6

400

W38

2 - 250

2/0

4

300

360

6

500

W40

2 - 250

2/0

4

350

420

6

600

W41

2 - 300

2/0

4

400

480

6

600

W43

2 - 350

2/0

4

500

600

7

750

3 - 350

2/0

5