NEMA size

NEMA (National Electrical Manufacturers Association) contactors and motor starters are rated by sizes. These sizes are grouped by rated current and power.[1][2]

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".