380 Volt Three Phase Autotransformers

I. 380 Volts Primary, Three Phase Autotransformers

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TEMCo Single Phase Autotransformers are 50/60 Hz rated and come in a NEMA 3R enclosure for indoor use as well as outdoor protection against rain and sleet. Our transformers are built to last, guaranteed. That's why we back these with a decade long warranty.

• UL Listed, CSA Approved
• Copper windings
• 50/60 Hz rated
• NEMA 3R Enclosure (for indoor or outdoor use)

Looking for a different specification? Click here to see all the primary voltage configurations, or see our full selection of autotransformers here.

Product Selection

Copper Wound Autotransformers, 380V Primary

Select Secondary Voltage Below
kVA	600V	575V	550V	480V	460V	440V	416V	400V
15	T55880	T55890	T55900	T55910	T55920	T55930	T55940	T55950
30	T55881	T55891	T55901	T55911	T55921	T55931	T55941	T55951
45	T55882	T55892	T55902	T55912	T55922	T55932	T55942	T55952
75	T55883	T55893	T55903	T55913	T55923	T55933	T55943	T55953
112.5	T55884	T55894	T55904	T55914	T55924	T55934	T55944	T55954
225	T55885	T55895	T55905	T55915	T55925	T55935	T55945	T55955
300	T55886	T55896	T55906	T55916	T55926	T55936	T55946	T55956
450	T55887	T55897	T55907	T55917	T55927	T55937	T55947	T55957
500	T55888	T55898	T55908	T55918	T55928	T55938	T55948	T55958
750	T55889	T55899	T55909	T55919	T55929	T55939	T55949	T55959
kVA	380V	240V	230V	220V	216V	208V	200V	190V
15	T55960	T55970	T55980	T55990	T56000	T56010	T56020	T56030
30	T55961	T55971	T55981	T55991	T56001	T56011	T56021	T56031
45	T55962	T55972	T55982	T55992	T56002	T56012	T56022	T56032
75	T55963	T55973	T55983	T55993	T56003	T56013	T56023	T56033
112.5	T55964	T55974	T55984	T55994	T56004	T56014	T56024	T56034
225	T55965	T55975	T55985	T55995	T56005	T56015	T56025	T56035
300	T55966	T55976	T55986	T55996	T56006	T56016	T56026	T56036
450	T55967	T55977	T55987	T55997	T56007	T56017	T56027	T56037
500	T55968	T55978	T55988	T55998	T56008	T56018	T56028	T56038
750	T55969	T55979	T55989	T55999	T56009	T56019	T56029	T56039

Output Amps

kVA	Output Amps at:
kVA	600V	575V	550V	480V	460V	440V	416V	400V	380V	240V	230V	220V	216V	208V	200V	190V
15	14.4	15.1	15.8	18	18.8	19.7	20.8	21.7	22.8	36.1	37.7	39.4	40.1	41.6	43.3	45.6
30	28.9	30.1	31.5	36.1	37.7	39.4	41.6	43.3	45.6	72.2	75.3	78.7	80.2	83.3	86.6	91.2
45	43.3	45.2	47.2	54.1	56.5	59.1	62.5	64	68.4	108.3	112	118.1	120.3	124.9	129.9	136.7
75	72.2	75.3	78.7	90.2	94.1	98.4	104.1	108.3	113	180.4	188.3	196.8	200.5	208.2	216.5	227.9
112.5	108.3	112	118.1	135.3	141.2	147.6	156.1	162.4	170.9	270.6	282.4	295.2	300.7	312.3	324.8	341.9
225	216.5	225.9	236.2	270.6	282.4	295.2	312.3	324.8	341.9	541.2	564.8	590.5	601.4	624.6	649.5	683.7
300	288.7	301.2	314.9	360.9	376.5	393.7	416.4	433	455.8	721.7	753.1	787.3	801.9	832.7	866.1	911.6
450	433	451.9	472.4	541.3	564.8	590.5	624.6	649.5	683.7	1082	1129	1180	1202	1249	1299	1367
500	481.1	502.1	524.9	601.4	627.6	656.1	693	721.7	759.7	1202	1255	1312	1336	1387	1443	1519
750	721.7	753.1	787.3	902.1	941.4	984.2	1040.9	1082.6	1139	1804	1882	1968	2004	2081	2165	2279