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NEMA size

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NEMA (National Electrical Manufacturers Association) contactors and motor starters are rated by sizes. These sizes are grouped by rated current and power.

NEMA size Max. continuous amperes Max. HP at 200 V, AC Max. HP at 230 V, AC Max. HP at 480/575 V, AC
00 9 1.5 1.5 2
0 18 3 3 5
1 27 7.5 7.5 10
2 45 10 15 25
3 90 25 35 50
4 135 40 50 100
5 270 75 100 200
6 540 150 200 400
7 810 - 300 600
8 1215 - 450 900
9 2250 - 800 1600

See also

References

  1. "NEMA ICS 2.4". Archived from the original on 2017-04-05.
  2. "Definition: NEMA Motor Starters".
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