D. 480 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, 480V Primary
| Select Secondary Voltage Below | |||||||||||
| kVA | 600V | 575V | 550V | 480V | 460V | 440V | 416V | 400V | 380V | 240V | |
| 15 | T55260 | T55270 | T55280 | T55290 | T55300 | T55310 | T55320 | T55330 | T55340 | T55350 | |
| 30 | T55261 | T55271 | T55281 | T55291 | T55301 | T55311 | T55321 | T55331 | T55341 | T55351 | |
| 45 | T55262 | T55272 | T55282 | T55292 | T55302 | T55312 | T55322 | T55332 | T55342 | T55352 | |
| 75 | T55263 | T55273 | T55283 | T55293 | T55303 | T55313 | T55323 | T55333 | T55343 | T55353 | |
| 112.5 | T55264 | T55274 | T55284 | T55294 | T55304 | T55314 | T55324 | T55334 | T55344 | T55354 | |
| 225 | T55265 | T55275 | T55285 | T55295 | T55305 | T55315 | T55325 | T55335 | T55345 | T55355 | |
| 300 | T55266 | T55276 | T55286 | T55296 | T55306 | T55316 | T55326 | T55336 | T55346 | T55356 | |
| 450 | T55267 | T55277 | T55287 | T55297 | T55307 | T55317 | T55327 | T55337 | T55347 | T55357 | |
| 500 | T55268 | T55278 | T55288 | T55298 | T55308 | T55318 | T55328 | T55338 | T55348 | T55358 | |
| 750 | T55269 | T55279 | T55289 | T55299 | T55309 | T55319 | T55329 | T55339 | T55349 | T55359 | |
Output Amps
| kVA | Output Amps at: | |||||||||
| 600V | 575V | 550V | 480V | 460V | 440V | 416V | 400V | 380V | 240V | |
| 15 | 14.4 | 15.1 | 15.8 | 18 | 18.8 | 19.7 | 20.8 | 21.7 | 22.8 | 36.1 |
| 30 | 28.9 | 30.1 | 31.5 | 36.1 | 37.7 | 39.4 | 41.6 | 43.3 | 45.6 | 72.2 |
| 45 | 43.3 | 45.2 | 47.2 | 54.1 | 56.5 | 59.1 | 62.5 | 64 | 68.4 | 108.3 |
| 75 | 72.2 | 75.3 | 78.7 | 90.2 | 94.1 | 98.4 | 104.1 | 108.3 | 113 | 180.4 |
| 112.5 | 108.3 | 112 | 118.1 | 135.3 | 141.2 | 147.6 | 156.1 | 162.4 | 170.9 | 270.6 |
| 225 | 216.5 | 225.9 | 236.2 | 270.6 | 282.4 | 295.2 | 312.3 | 324.8 | 341.9 | 541.2 |
| 300 | 288.7 | 301.2 | 314.9 | 360.9 | 376.5 | 393.7 | 416.4 | 433 | 455.8 | 721.7 |
| 450 | 433 | 451.9 | 472.4 | 541.3 | 564.8 | 590.5 | 624.6 | 649.5 | 683.7 | 1082 |
| 500 | 481.1 | 502.1 | 524.9 | 601.4 | 627.6 | 656.1 | 693 | 721.7 | 759.7 | 1202 |
| 750 | 721.7 | 753.1 | 787.3 | 902.1 | 941.4 | 984.2 | 1040.9 | 1082.6 | 1139 | 1804 |