NEC Table 430-250 – ElectricalHelper

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The following values of full-load currents are motors running at usual
speeds and motors with normal torque characteristics.

The voltages listed are rated motor voltages. The currents listed shall
be permitted for system voltage ranges of 110 to 120, 220 to 240 volts.

Table 430.250 Full-Load Currents in Amperes, Three-Phase
Alternating-Current Motors

Horsepower	115 Volts	200 Volts	208 Volts	230 Volts	460 Volts	575 Volts	2300 Volts
1/2	4.4	2.5	2.4	2.2	1.1	0.9
3/4	6.4	3.7	3.5	3.2	1.6	1.3
1	8.4	4.8	4.6	4.2	2.1	1.7
1-1/2	12	6.9	6.6	6.0	3.0	2.1
2	13.6	7.8	7.5	6.8	3.4	2.7
3		11	10.6	9.6	4.8	3.9
5		17.5	16.7	15.2	7.6	6.1
7-1/2		25.3	24.2	22	11	9
10		32.2	30.8	28	14	11
15		48.3	46.2	42	21	17
20		62.1	59.4	54	27	22
25		78.2	74.8	68	34	27
30		92	88	80	40	32
40		120	114	104	52	41
50		150	143	130	65	52
60		177	169	154	77	62	16
75		221	211	192	96	77	20
100		285	273	248	124	99	26
125		359	353	312	156	125	31
150		414	396	360	180	144	37
200		552	528	480	240	192	49
250					302	242	50
300					361	289	72
350					414	336	83
400					477	382	96

NEC is a registered trademark of the National Fire Protection Association, Inc. All NEC references by Electrical Helper are interpretations of the NEC by the Electrical Helper staff and are not NEC statements. The official position of the NEC requires that the NEC be referred to in its entirety.

Article 430.22 (A) states conductors supplying a single motor used in a continuous duty application shall have any less than 125 percent of the motors full load current rating determined by 430.6 (A)(1)

See Article 430.6 (A)(1) in the NEC for exceptions and referring tables.

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