T. 100 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, 100V Primary
| Select Secondary Voltage Below | ||||||
| kVA | 200V | 190V | 120V | 115V | 110V | 100V |
| 15 | T57270 | T57280 | T57290 | T57300 | T57310 | T57320 |
| 30 | T57271 | T57281 | T57291 | T57301 | T57311 | T57321 |
| 45 | T57272 | T57282 | T57292 | T57302 | T57312 | T57322 |
| 75 | T57273 | T57283 | T57293 | T57303 | T57313 | T57323 |
| 112.5 | T57274 | T57284 | T57294 | T57304 | T57314 | T57324 |
| 225 | T57275 | T57285 | T57295 | T57305 | T57315 | T57325 |
| 300 | T57276 | T57286 | T57296 | T57306 | T57316 | T57326 |
| 450 | T57277 | T57287 | T57297 | T57307 | T57317 | T57327 |
| 500 | T57278 | T57288 | T57298 | T57308 | T57318 | T57328 |
| 750 | T57279 | T57289 | T57299 | T57309 | T57319 | T57329 |
Output Amps
| kVA | Output Amps at: | ||||||||
| 200V | 190V | 120V | 115V | 110V | 100V | ||||
| 15 | 43.3 | 45.6 | 72.2 | 75.3 | 78.7 | 86.6 | |||
| 30 | 86.6 | 91.2 | 144.3 | 150.62 | 157.5 | 173.2 | |||
| 45 | 129.9 | 136.7 | 216.5 | 225.93 | 236.2 | 259.8 | |||
| 75 | 216.5 | 227.9 | 360.9 | 376.54 | 393.7 | 433 | |||
| 112.5 | 324.8 | 341.9 | 541.3 | 564.82 | 590.5 | 649.5 | |||
| 225 | 649.5 | 683.7 | 1082 | 1129 | 1180 | 1299 | |||
| 300 | 866.1 | 911.6 | 1443 | 1506 | 1574 | 1732 | |||
| 450 | 1299 | 1367 | 2165 | 2259 | 2361 | 2598 | |||
| 500 | 1443 | 1519 | 2405 | 2510 | 2624 | 2886 | |||
| 750 | 2165 | 2279 | 3608 | 3765 | 3936 | 4330 | |||