S. 110 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, 110V Primary
| Select Secondary Voltage Below | |||||||||
| kVA | 220V | 216V | 208V | 200V | 190V | 120V | 115V | 110V | 100V |
| 15 | T57180 | T57190 | T57200 | T57210 | T57220 | T57230 | T57240 | T57250 | T57260 |
| 30 | T57181 | T57191 | T57201 | T57211 | T57221 | T57231 | T57241 | T57251 | T57261 |
| 45 | T57182 | T57192 | T57202 | T57212 | T57222 | T57232 | T57242 | T57252 | T57262 |
| 75 | T57183 | T57193 | T57203 | T57213 | T57223 | T57233 | T57243 | T57253 | T57263 |
| 112.5 | T57184 | T57194 | T57204 | T57214 | T57224 | T57234 | T57244 | T57254 | T57264 |
| 225 | T57185 | T57195 | T57205 | T57215 | T57225 | T57235 | T57245 | T57255 | T57265 |
| 300 | T57186 | T57196 | T57206 | T57216 | T57226 | T57236 | T57246 | T57256 | T57266 |
| 450 | T57187 | T57197 | T57207 | T57217 | T57227 | T57237 | T57247 | T57257 | T57267 |
| 500 | T57188 | T57198 | T57208 | T57218 | T57228 | T57238 | T57248 | T57258 | T57268 |
| 750 | T57189 | T57199 | T57209 | T57219 | T57229 | T57239 | T57249 | T57259 | T57269 |
Output Amps
| kVA | Output Amps at: | ||||||||
| 220V | 216V | 208V | 200V | 190V | 120V | 115V | 110V | 100V | |
| 15 | 39.4 | 40.1 | 41.6 | 43.3 | 45.6 | 72.2 | 75.3 | 78.7 | 86.6 |
| 30 | 78.7 | 80.2 | 83.3 | 86.6 | 91.2 | 144.3 | 150.62 | 157.5 | 173.2 |
| 45 | 118.1 | 120.3 | 124.9 | 129.9 | 136.7 | 216.5 | 225.93 | 236.2 | 259.8 |
| 75 | 196.8 | 200.5 | 208.2 | 216.5 | 227.9 | 360.9 | 376.54 | 393.7 | 433 |
| 112.5 | 295.2 | 300.7 | 312.3 | 324.8 | 341.9 | 541.3 | 564.82 | 590.5 | 649.5 |
| 225 | 590.5 | 601.4 | 624.6 | 649.5 | 683.7 | 1082 | 1129 | 1180 | 1299 |
| 300 | 787.3 | 801.9 | 832.7 | 866.1 | 911.6 | 1443 | 1506 | 1574 | 1732 |
| 450 | 1180 | 1202 | 1249 | 1299 | 1367 | 2165 | 2259 | 2361 | 2598 |
| 500 | 1312 | 1336 | 1387 | 1443 | 1519 | 2405 | 2510 | 2624 | 2886 |
| 750 | 1968 | 2004 | 2081 | 2165 | 2279 | 3608 | 3765 | 3936 | 4330 |