KR- Services-com LLC
                (prior doing business as KR Services)          
    
           Featuring Off-the Charts 
AN ACCA MANUAL S 
"OTHER APPROVED METHOD"

This is PREMIUM "Other approved software", and satisfies the need for ACCA Manual S results
PROPERLY and quickly when ICC code requires compliance.
With only 2.3% average calculation error because of many less opportunities for human error, 
it is currently accepted and trusted even by "strict" building officials.

Motor horsepower average current chart and protection sizing
based on 1800 RPM Fan Motors, 60HZ
Square D Co., 1978
Figures read in chart are the
Typical FLA / Circuit Breaker* / Time delay Fuse

 

Single phase voltage

 

Three phase voltages

   

Size in HP

115vac

230vac

200vac

230vac

460vac

0.16666666

4.4 / 15 / 7

2.2 / 15 / 3.5

-

-

-

0.25

5.8 / 15 / 9

2.9 / 15 / 4.5

-

-

-

0.33333333

7.2 / 15 / 12

3.6 / 15 / 5.6

-

-

-

0.5

9.8 / 20 / 15

4.9 / 15 / 8

2.3 / 15 / 3.5

2 / 15 / 3.2

1 / 15 / 1.6

0.75

13.8 / 25 / 20

6.9 / 15 / 10

 

2.8 / 15 / 5

1.4 / 15 / 2.25

1

16 / 30 / 25

8 / 15 / 12

4.1 / 15 / 6.25

3.6 / 15 / 5.6

1.8 / 15 / 2.8

1.5

20 / 40 / 30

10 / 20 / 15

6 / 15 / 10

5.2 / 15 / 8

2.6 / 15 / 4

2

24 / 50 / 30

12 / 25 / 17.5

7.8 / 15 / 12

6.8 / 15 / 10

3.4 / 15 / 5.6

3

34 / 70 / 50

17 / 35 / 25

11 / 20 / 17.5

9.5 / 20 / 15

4.8 / 15 / 8

5

56 / 90 / 80

28 / 60 / 40

17.5 / 35 / 25

15.2 / 30 / 25

7.6 / 15 / 12

7.5

80 / 110 / 100

40 / 80 / 60

25.3 / 50 / 40

22 / 45 / 30

11 / 20 / 17.5

10

-

50 / 90 / 60

32.2 / 60 / 50

28 / 60 / 40

14 / 25 / 20

15

-

-

48.3 / 90 / 60

42 / 80 / 60

21 / 40 / 30

20

   

62.1 / 100 / 90

54 / 90 / 80

27 / 60 / 40

25

   

78.2 / 110 / 100

68 / 100 / 100

34 / 70 / 50

30

   

92 / 125 / 125

80 / 110 / 100

40 / 80 / 60

40

   

120 / 175 / 175

104 / 150 / 150

52 / 90 / 80

50

   

150 / 200 / 200

130 / 200 / 200

65 / 100 / 100

60

   

177 / 250 / 250

154 / 225 / 200

77 / 110 / 100

75

   

221 / 300 / 300

192 / 250 / 300

96 / 125 / 150

100

   

285 / 400 / 400

248 / 350 / 350

124 / 200 / 175

125

   

359 / 500 / 500

312 / 450 / 400

156 / 225 / 200

150

   

414 / 600 / 600

360 / 500 / 500

180 / 250 / 250

200

   

-

480 / 700 / 600

240 / 350 / 350

* Some localities require a minimum of 20 amp circuit breakers

(Note by KR: This chart is for use in estimating purposes and troubleshooting, manufacturer's specifications may differ slightly

 

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