Superior Phase Converters, LLC.

DIAGRAMS

Superior Phase Conversion System

Wiring and Device Sizes

HP Starting Load	Approximate Three Phase Amps		Approximate Single Phase Amps		Minimum Utility Transformer KVA	System Service Req'd Amps		Main Disconnect Dual Element Fuses		L1, L2 Minimum Wire Size
HP Starting Load	230V	460V	230V	460V	Minimum Utility Transformer KVA	230V	460V	230V	460V	230V	460V
3	10	5	20	10	5	30	30	20	10	10	12
5	15	7.5	30	15	5	60	30	30	15	8	10
7.5	22	11	44	22	7.5	60	30	40	20	6	10
10	28	14	56	28	10	100	60	60	30	6	8
15	42	21	84	42	15	200	60	80	40	1	6
20	54	27	108	54	28	200	100	100	50	1/0	4
25	68	3	136	68	25	200	100	125	65	2/0	3
30	80	40	160	80	37.5	200	100	150	75	2/0	3
40	104	52	208	104	50	400	200	200	100	3/0	1
50	130	65	260	130	50	400	200	250	125	250	1/0
60	154	77	308	154	75	400	200	300	150	500	2/0
75	192	96	384	192	75	600	400	350	175	(2)350	3/0
100	248	124	496	248	100	800	400	450	250	(2)500	3/0
125	312	156	624	312	167	800	400	600	300	(2)500	350
150	360	180	720	360	167	1000	600	700	350	(3)350	500
200	480	240	960	480	200	1200	600	900	450	(3)500	(2)350