230 Volt Three Phase Autotransformers

K. 230 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, 230V Primary

Select Secondary Voltage Below
kVA	460V	440V	416V	400V	380V	240V	230V
15	T56180	T56190	T56200	T56210	T56220	T56230	T56240
30	T56181	T56191	T56201	T56211	T56221	T56231	T56241
45	T56182	T56192	T56202	T56212	T56222	T56232	T56242
75	T56183	T56193	T56203	T56213	T56223	T56233	T56243
112.5	T56184	T56194	T56204	T56214	T56224	T56234	T56244
225	T56185	T56195	T56205	T56215	T56225	T56235	T56245
300	T56186	T56196	T56206	T56216	T56226	T56236	T56246
450	T56187	T56197	T56207	T56217	T56227	T56237	T56247
500	T56188	T56198	T56208	T56218	T56228	T56238	T56248
750	T56189	T56199	T56209	T56219	T56229	T56239	T56249
kVA	220V	216V	208V	200V	190V	120V	115V
15	T56250	T56260	T56270	T56280	T56290	T56300	T56310
30	T56251	T56261	T56271	T56281	T56291	T56301	T56311
45	T56252	T56262	T56272	T56282	T56292	T56302	T56312
75	T56253	T56263	T56273	T56283	T56293	T56303	T56313
112.5	T56254	T56264	T56274	T56284	T56294	T56304	T56314
225	T56255	T56265	T56275	T56285	T56295	T56305	T56315
300	T56256	T56266	T56276	T56286	T56296	T56306	T56316
450	T56257	T56267	T56277	T56287	T56297	T56307	T56317
500	T56258	T56268	T56278	T56288	T56298	T56308	T56318
750	T56259	T56269	T56279	T56289	T56299	T56309	T56319

Output Amps

kVA	Output Amps at:
kVA	460V	440V	416V	400V	380V	240V	230V	220V	216V	208V	200V	190V	120V	115V
15	18.8	19.7	20.8	21.7	22.8	36.1	37.7	39.4	40.1	41.6	43.3	45.6	72.2	75.3
30	37.7	39.4	41.6	43.3	45.6	72.2	75.3	78.7	80.2	83.3	86.6	91.2	144.3	150.62
45	56.5	59.1	62.5	64	68.4	108.3	112	118.1	120.3	124.9	129.9	136.7	216.5	225.93
75	94.1	98.4	104.1	108.3	113	180.4	188.3	196.8	200.5	208.2	216.5	227.9	360.9	376.54
112.5	141.2	147.6	156.1	162.4	170.9	270.6	282.4	295.2	300.7	312.3	324.8	341.9	541.3	564.82
225	282.4	295.2	312.3	324.8	341.9	541.2	564.8	590.5	601.4	624.6	649.5	683.7	1082	1129
300	376.5	393.7	416.4	433	455.8	721.7	753.1	787.3	801.9	832.7	866.1	911.6	1443	1506
450	564.8	590.5	624.6	649.5	683.7	1082	1129	1180	1202	1249	1299	1367	2165	2259
500	627.6	656.1	693	721.7	759.7	1202	1255	1312	1336	1387	1443	1519	2405	2510
750	941.4	984.2	1040.9	1082.6	1139	1804	1882	1968	2004	2081	2165	2279	3608	3765