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Motor Wiring Data - 480 Volt

Motor wiring data - NEMA Amps, Starter size, HMCP Size .. - motors ranging 1/2 - 500 HP

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480 Volt motor wiring data - NEMA Amps, starter size, HMCP size overload phase wires, GND and conduit size are indicated below:

Motor HP	NEMA Amps	Starter Size	Overload	Motor Circuit Protector Size HMCP	Conduit Size	Phase Wires	GND
1/2	1.0	1	W30	3	3/4	12	12
3/4	1.4	1	W33	3	3/4	12	12
1	1.8	1	W36	3	3/4	12	12
1 1/2	2.6	1	W40	7	3/4	12	12
2	3.4	1	W42	7	3/4	12	12
3	4.8	1	W45	7	3/4	12	12
5	7.5	1	W50	15	3/4	12	12
7 1/2	11	1	W54	15	3/4	12	12
10	14	1	W56	30	3/4	10	10
15	21	2	W61	50	3/4	10	10
20	27	2	W64	50	1	8	8
25	34	2	W67	70	1 1/4	6	6
30	40	3	W67	100	1 1/4	6	6
40	52	3	W69	100	1 1/4	4	4
50	65	3	W72	100	1 1/4	4	4
60	77	4	W74	150	1 1/2	2	2
75	96	4	W77	150	1 1/2	2	2
100	125	4	W36	200	2	2/0	2
125	156	5	W38	250	2 1/2	4/0	1/0
150	180	5	W40	400	2 1/2	4 /0	1/0
200	240	5	W43	400	3	350	2/0
250	300	6	W38	400	4	2 - 250	2/0
300	360	6	W40	500	4	2 - 250	2/0
350	420	6	W41	600	4	2 - 300	2/0
400	480	6	W43	600	4	2 - 350	2/0
500	600	7		750	5	3 - 350	2/0