MOTOR HP & AMPS ELECTRICAL WIRE, FUSE & BREAKER SIZES

ENGINEERING DATA SHEET

DATE

SUPERSEDES

C1-2-2-345

January 2000

CE103

MOTOR HP & AMPS

ELECTRICAL WIRE, FUSE & BREAKER SIZES

The following table gives wire, breaker and fuse sizes based on horsepower, voltage and phase. Motor full load amps are

taken from motors currently used by Champion. The wire, breaker and fuse sizes are provided as a reference for the installer

and are based on the 1996 National Electrical Code. All wiring should be performed by a licensed electrician or electrical

contractor and must meet all applicable codes for the area where installed.

Motor

HP

Voltage

Typical

Motor F.L.A.

?

?

?

?

1

1

1?

1?

2

2

3

3

5

7?

115V

208V / 230V

115V

208V/ 230V

115V

208V / 230V

115V

208V / 230V

115V

208V / 230V

115V

208V / 230V

208V / 230V

208V / 230V

8.4

4.4 / 4.2

11

5.5 / 5.4

12.4

6.5 / 6.2

18

9.5 / 9

24

12.6 / 12

32

16.8 / 16

25.5 / 24

33 / 31

Copper Conductor

75¡ã C Rating ¨C

30¡ã C Ambient

Wire Size Awg No.

Dual Element, Time Delay

UL Class RK5 Fuse

(Used with Properly Sized

O/L Relay)

Circuit Breaker

(Instantaneous Trip

Circuit Breaker)

Continuous Amp Rating

SINGLE PHASE UNITS

14

14

12

14

12

14

10

14

10

14

8

10

8

6

15A

8A / 7A

15A

12A / 10A

20A

12A / 10A

20A

15A / 10A

35A

20A

50A

30A / 25A

40A

50A

15A

7A

15A

15A

15A

15A

30A

15A

30A

15A

50A

30A

50A / 30A

50A

8A

4A

12A / 10A

5A

12A

7A

25A

12A

40A / 35A

15A

50A / 45A

20A

75A / 60A

30A

100A / 90A

45A

125A / 110A

50A

150A / 125A

60A

7A

3A

15A

7A

15A

7A

30A

15A

30A

15A

50A

30A

100A / 50A

30A

100A

50A

100A

50A

150A / 100A

50A

THREE PHASE UNITS

1?

1?

2

2

3

3

5

5

7?

7?

10

10

15

15

20

20

25

25

30

30

1.

2.

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

200V / 230V

460V

5 / 4.8

2.4

6.8 / 6.4

3.2

8.5 / 8

4

14.8 / 14

7

23 / 22

11

30 / 28

14

44.8 / 39

19.5

61 / 53

26.5

74 / 65

32.5

87 / 76

38

14

14

14

14

14

14

10 / 12

14

8 / 10

14

8

12

6

10

4

8

3/4

8

2/3

6

To ensure proper coordination between the heater element and short circuit protective device, consult the heater table

packaged with the motor controller.

Maximum branch-circuit, short-circuit protective device ratings shown in the manufacturer¡¯s overload relay table for use

with a motor controller, or otherwise marked on the equipment, shall not be exceeded.

Copyright ? 2000 Gardner Denver, Inc.

EDS C1-2-2-345 P1/1

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