Large induction Motor Circuit Designer Page

Notes:

CHART OF MOTOR AVAILABLE TORQUE (FT-LB) OF VARIOUS MOTOR SIZES
HP \ RPM 3600 1800 1200 900 720 600 514 450 400 360 327 300
0.5 1 1 2 3 4 4 5 6 7 7 8 9
1 1 3 4 6 7 9 10 12 13 15 16 18
2 3 6 9 12 15 18 20 23 26 29 32 35
3 4 9 13 18 22 26 31 35 39 44 48 53
5 7 15 22 29 36 44 51 58 66 73 80 88
7.5 11 22 33 44 55 66 77 88 98 109 120 131
10 15 29 44 58 73 88 102 117 131 146 161 175
15 22 44 66 88 109 131 153 175 197 219 241 263
20 29 58 88 117 146 175 204 233 263 292 321 350
25 36 73 109 146 182 219 255 292 328 365 401 438
30 44 88 131 175 219 263 306 350 394 438 482 525
40 58 117 175 233 292 350 409 467 525 583 642 700
50 73 146 219 292 365 438 511 583 656 729 803 875
60 88 175 263 350 438 525 613 700 788 875 963 1050
75 109 219 328 438 547 656 766 875 984 1094 1204 1313
100 146 292 438 583 729 875 1021 1167 1313 1458 1606 1750
125 182 365 547 729 911 1094 1277 1458 1641 1823 2007 2188
150 219 438 656 875 1094 1313 1532 1750 1969 2188 2408 2625
200 292 583 875 1167 1458 1750 2043 2333 2625 2917 3211 3500
250 365 729 1094 1458 1823 2188 2554 2917 3281 3646 4014 4375
300 438 875 1313 1750 2188 2625 3064 3500 3938 4375 4817 5250
350 510 1021 1531 2042 2552 3063 3575 4083 4594 5104 5619 6125
400 583 1167 1750 2333 2917 3500 4086 4667 5250 5833 6422 7000
450 656 1313 1969 2625 3281 3938 4596 5250 5906 6563 7225 7875
500 729 1458 2188 2917 3646 4375 5107 5833 6563 7292 8028 8750
600 875 1750 2625 3500 4375 5250 6128 7000 7875 8750 9633 10500
700 1021 2042 3063 4083 5104 6125 7150 8167 9188 10208 11239 12250
800 1167 2333 3500 4667 5833 7000 8171 9333 10500 11667 12844 14000
900 1313 2625 3938 5250 6563 7875 9193 10500 11813 13125 14450 15750
1000 1458 2917 4375 5833 7292 8750 10214 11667 13125 14583 16055 17500
1250 1823 3646 5469 7292 9115 10938 12768 14583 16406 18229 20069 21875
1500 2188 4375 6563 8750 10938 13125 15321 17500 19688 21875 24083 26250
1750 2552 5104 7656 10208 12760 15313 17875 20417 22969 25521 28096 30625
2000 2917 5833 8750 11667 14583 17500 20428 23333 26250 29167 32110 35000
2250 3281 6563 9844 13125 16406 19688 22982 26250 29531 32813 36124 39375
2500 3646 7292 10938 14583 18229 21875 25535 29167 32813 36458 40138 43750
3000 4375 8750 13125 17500 21875 26250 30642 35000 39375 43750 48165 52500
3500 5104 10208 15313 20417 25521 30625 35749 40833 45938 51042 56193 61250
4000 5833 11667 17500 23333 29167 35000 40856 46667 52500 58333 64220 70000
4500 6563 13125 19688 26250 32813 39375 45963 52500 59063 65625 72248 78750
5000 7292 14583 21875 29167 36458 43750 51070 58333 65625 72917 80275 87500
5500 8021 16042 24063 32083 40104 48125 56177 64167 72188 80208 88303 96250
6000 8750 17500 26250 35000 43750 52500 61284 70000 78750 87500 96330 105000
7000 10208 20417 30625 40833 51042 61250 71498 81667 91875 102083 112385 122500
8000 11667 23333 35000 46667 58333 70000 81712 93333 105000 116667 128440 140000
9000 13125 26250 39375 52500 65625 78750 91926 105000 118125 131250 144495 157500
10000 14583 29167 43750 58333 72917 87500 102140 116667 131250 145833 160550 175000
11000 16042 32083 48125 64167 80208 96250 112354 128333 144375 160417 176606 192500
12000 17500 35000 52500 70000 87500 105000 122568 140000 157500 175000 192661 210000
13000 18958 37917 56875 75833 94792 113750 132782 151667 170625 189583 208716 227500
14000 20417 40833 61250 81667 102083 122500 142996 163333 183750 204167 224771 245000
15000 21875 43750 65625 87500 109375 131250 153210 175000 196875 218750 240826 262500



Notes:
#1. Motor Data based on 60Hz, Squirrel Cage Motors.
#2. Values are theoretical values based on the formula HP = (Torque * speed)/5250.
#3. Values are for educational purposes only. It is user's sole responsibility to ensure actual motor circuit design conforms to all applicable national and local codes. These values are for educational purposes only. Due to the wide range of motor circuit applications, the author assumes no responsibility for the application of these values.

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