NEMA size

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

|url = https://www.nema.org/standards/pages/nema-and-iec-devices-for-motor-service-a-guide-for-understanding-the-differences.aspx

|title = NEMA ICS 2.4

|url-status = dead

|archiveurl = https://web.archive.org/web/20170405183145/https://www.nema.org/standards/pages/nema-and-iec-devices-for-motor-service-a-guide-for-understanding-the-differences.aspx

|archivedate = 2017-04-05

}}{{cite web

|url = http://www.oddparts.com/oddparts/acsi/defines/start.htm

|title = Definition: NEMA Motor Starters

}}

class="wikitable" style="text-align:right"
scope="col" width="100" | NEMA size ! scope="col" width="100" | Max. continuous amperes ! scope="col" width="100" | Max. HP at 200 V, AC ! scope="col" width="100" | Max. HP at 230 V, AC ! scope="col" width="100" | 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