S. 110 Volt Primary Three Phase Isolation Transformers
TEMCo Three Phase Isolation Transformers 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
- Aluminum or Copper windings
- 50/60 Hz rated
- NEMA 3R Enclosure (for indoor or outdoor use)
Looking for a different specification? See all the primary voltage configurations here.
Select a Different Primary Configuration »
| Secondary Voltages Selection | |
| 1. 600Y/347 | 12. 230Y/133 |
| 2. 575Y/330 | 13. 220Y/127 |
| 3. 550Y/316 | 14. 216 Delta |
| 4. 480Y/277 | 15. 208Y/120 |
| 5. 460 Delta | 16. 200Y/115 |
| 6. 440 Delta | 17. 190Y/110 |
| 7. 416Y/240 | 18. 120 Delta |
| 8. 400Y/230 | 19. 115 Delta |
| 9. 380Y/220 | 20. 110 Delta |
| 10. 240Y/139 | 21. 100 Delta |
| 11. 240CTD/120 | |
1. 110V Primary - 600Y/347 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 2.89 | - | T49330 |
| 6 | 5.77 | - | T49331 |
| 9 | 8.66 | - | T49332 |
| 15 | 14.43 | T43156 | T49333 |
| 30 | 28.87 | T43157 | T49334 |
| 45 | 43.30 | T43158 | T49335 |
| 75 | 72.17 | T43159 | T49336 |
| 112.5 | 108.26 | T43160 | T49337 |
| 150 | 144.34 | T43161 | T49338 |
| 225 | 216.51 | T43162 | T49339 |
| 300 | 288.68 | T43163 | T49340 |
| 450 | 433.03 | T43164 | T49341 |
| 500 | 481.14 | T43165 | T49342 |
| 600 | 577.37 | T43166 | T49343 |
| 750 | 721.71 | T43167 | T49344 |
2. 110V Primary - 575Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.01 | - | T49345 |
| 6 | 6.02 | - | T49346 |
| 9 | 9.04 | - | T49347 |
| 15 | 15.06 | T43168 | T49348 |
| 30 | 30.12 | T43169 | T49349 |
| 45 | 45.19 | T43170 | T49350 |
| 75 | 75.31 | T43171 | T49351 |
| 112.5 | 112.96 | T43172 | T49352 |
| 150 | 150.62 | T43173 | T49353 |
| 225 | 225.93 | T43174 | T49354 |
| 300 | 301.24 | T43175 | T49355 |
| 450 | 451.85 | T43176 | T49356 |
| 500 | 502.06 | T43177 | T49357 |
| 600 | 602.47 | T43178 | T49358 |
| 750 | 753.09 | T43179 | T49359 |
3. 110V Primary - 550Y/316 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.15 | - | T49360 |
| 6 | 6.30 | - | T49361 |
| 9 | 9.45 | - | T49362 |
| 15 | 15.75 | T43180 | T49363 |
| 30 | 31.49 | T43181 | T49364 |
| 45 | 47.24 | T43182 | T49365 |
| 75 | 78.73 | T43183 | T49366 |
| 112.5 | 118.10 | T43184 | T49367 |
| 150 | 157.46 | T43185 | T49368 |
| 225 | 236.20 | T43186 | T49369 |
| 300 | 314.93 | T43187 | T49370 |
| 450 | 472.39 | T43188 | T49371 |
| 500 | 524.88 | T43189 | T49372 |
| 600 | 629.86 | T43190 | T49373 |
| 750 | 787.32 | T43191 | T49374 |
4. 110V Primary - 480Y/277 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.61 | - | T49375 |
| 6 | 7.22 | - | T49376 |
| 9 | 10.83 | - | T49377 |
| 15 | 18.04 | T43192 | T49378 |
| 30 | 36.09 | T43193 | T49379 |
| 45 | 54.13 | T43194 | T49380 |
| 75 | 90.21 | T43195 | T49381 |
| 112.5 | 135.32 | T43196 | T49382 |
| 150 | 180.43 | T43197 | T49383 |
| 225 | 270.64 | T43198 | T49384 |
| 300 | 360.85 | T43199 | T49385 |
| 450 | 541.28 | T43200 | T49386 |
| 500 | 601.42 | T43201 | T49387 |
| 600 | 721.71 | T43202 | T49388 |
| 750 | 902.14 | T43203 | T49389 |
5. 110V Primary - 460V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.77 | - | T49390 |
| 6 | 7.53 | - | T49391 |
| 9 | 11.30 | - | T49392 |
| 15 | 18.83 | T43204 | T49393 |
| 30 | 37.65 | T43205 | T49394 |
| 45 | 56.48 | T43206 | T49395 |
| 75 | 94.14 | T43207 | T49396 |
| 112.5 | 141.20 | T43208 | T49397 |
| 150 | 188.27 | T43209 | T49398 |
| 225 | 282.41 | T43210 | T49399 |
| 300 | 376.54 | T43211 | T49400 |
| 450 | 564.82 | T43212 | T49401 |
| 500 | 627.57 | T43213 | T49402 |
| 600 | 753.09 | T43214 | T49403 |
| 750 | 941.36 | T43215 | T49404 |
6. 110V Primary - 440V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.94 | - | T49405 |
| 6 | 7.87 | - | T49406 |
| 9 | 11.81 | - | T49407 |
| 15 | 19.68 | T43216 | T49408 |
| 30 | 39.37 | T43217 | T49409 |
| 45 | 59.05 | T43218 | T49410 |
| 75 | 98.41 | T43219 | T49411 |
| 112.5 | 147.62 | T43220 | T49412 |
| 150 | 196.83 | T43221 | T49413 |
| 225 | 295.24 | T43222 | T49414 |
| 300 | 393.66 | T43223 | T49415 |
| 450 | 590.49 | T43224 | T49416 |
| 500 | 656.10 | T43225 | T49417 |
| 600 | 787.32 | T43226 | T49418 |
| 750 | 984.15 | T43227 | T49419 |
7. 110V Primary - 416Y/240 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.16 | - | T49420 |
| 6 | 8.33 | - | T49421 |
| 9 | 12.49 | - | T49422 |
| 15 | 20.82 | T43228 | T49423 |
| 30 | 41.64 | T43229 | T49424 |
| 45 | 62.46 | T43230 | T49425 |
| 75 | 104.09 | T43231 | T49426 |
| 112.5 | 156.14 | T43232 | T49427 |
| 150 | 208.19 | T43233 | T49428 |
| 225 | 312.28 | T43234 | T49429 |
| 300 | 416.37 | T43235 | T49430 |
| 450 | 624.56 | T43236 | T49431 |
| 500 | 693.95 | T43237 | T49432 |
| 600 | 832.74 | T43238 | T49433 |
| 750 | 1040.93 | T43239 | T49434 |
8. 110V Primary - 400Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.33 | - | T49435 |
| 6 | 8.66 | - | T49436 |
| 9 | 12.99 | - | T49437 |
| 15 | 21.65 | T43240 | T49438 |
| 30 | 43.30 | T43241 | T49439 |
| 45 | 64.95 | T43242 | T49440 |
| 75 | 108.26 | T43243 | T49441 |
| 112.5 | 162.38 | T43244 | T49442 |
| 150 | 216.51 | T43245 | T49443 |
| 225 | 324.77 | T43246 | T49444 |
| 300 | 433.03 | T43247 | T49445 |
| 450 | 649.54 | T43248 | T49446 |
| 500 | 721.71 | T43249 | T49447 |
| 600 | 866.05 | T43250 | T49448 |
| 750 | 1082.56 | T43251 | T49449 |
9. 110V Primary - 380Y/220 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.56 | - | T49450 |
| 6 | 9.12 | - | T49451 |
| 9 | 13.67 | - | T49452 |
| 15 | 22.79 | T43252 | T49453 |
| 30 | 45.58 | T43253 | T49454 |
| 45 | 68.37 | T43254 | T49455 |
| 75 | 113.95 | T43255 | T49456 |
| 112.5 | 170.93 | T43256 | T49457 |
| 150 | 227.91 | T43257 | T49458 |
| 225 | 341.86 | T43258 | T49459 |
| 300 | 455.82 | T43259 | T49460 |
| 450 | 683.72 | T43260 | T49461 |
| 500 | 759.69 | T43261 | T49462 |
| 600 | 911.63 | T43262 | T49463 |
| 750 | 1139.54 | T43263 | T49464 |
10. 110V Primary - 240Y/139 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T49465 |
| 6 | 14.43 | - | T49466 |
| 9 | 21.65 | - | T49467 |
| 15 | 36.09 | T43264 | T49468 |
| 30 | 72.17 | T43265 | T49469 |
| 45 | 108.26 | T43266 | T49470 |
| 75 | 180.43 | T43267 | T49471 |
| 112.5 | 270.64 | T43268 | T49472 |
| 150 | 360.85 | T43269 | T49473 |
| 225 | 541.28 | T43270 | T49474 |
| 300 | 721.71 | T43271 | T49475 |
| 450 | 1082.56 | T43272 | T49476 |
| 500 | 1202.85 | T43273 | T49477 |
| 600 | 1443.42 | T43274 | T49478 |
| 750 | 1804.27 | T43275 | T49479 |
11. 110V Primary - 240CTD/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T49480 |
| 6 | 14.43 | - | T49481 |
| 9 | 21.65 | - | T49482 |
| 15 | 36.09 | T43276 | T49483 |
| 30 | 72.17 | T43277 | T49484 |
| 45 | 108.26 | T43278 | T49485 |
| 75 | 180.43 | T43279 | T49486 |
| 112.5 | 270.64 | T43280 | T49487 |
| 150 | 360.85 | T43281 | T49488 |
| 225 | 541.28 | T43282 | T49489 |
| 300 | 721.71 | T43283 | T49490 |
| 450 | 1082.56 | T43284 | T49491 |
| 500 | 1202.85 | T43285 | T49492 |
| 600 | 1443.42 | T43286 | T49493 |
| 750 | 1804.27 | T43287 | T49494 |
12. 110V Primary - 230Y/133 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.53 | - | T49495 |
| 6 | 15.06 | - | T49496 |
| 9 | 22.59 | - | T49497 |
| 15 | 37.65 | T43288 | T49498 |
| 30 | 75.31 | T43289 | T49499 |
| 45 | 112.96 | T43290 | T49500 |
| 75 | 188.27 | T43291 | T49501 |
| 112.5 | 282.41 | T43292 | T49502 |
| 150 | 376.54 | T43293 | T49503 |
| 225 | 564.82 | T43294 | T49504 |
| 300 | 753.09 | T43295 | T49505 |
| 450 | 1129.63 | T43296 | T49506 |
| 500 | 1255.15 | T43297 | T49507 |
| 600 | 1506.18 | T43298 | T49508 |
| 750 | 1882.72 | T43299 | T49509 |
13. 110V Primary - 220Y/127 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.87 | - | T49510 |
| 6 | 15.75 | - | T49511 |
| 9 | 23.62 | - | T49512 |
| 15 | 39.37 | T43300 | T49513 |
| 30 | 78.73 | T43301 | T49514 |
| 45 | 118.10 | T43302 | T49515 |
| 75 | 196.83 | T43303 | T49516 |
| 112.5 | 295.24 | T43304 | T49517 |
| 150 | 393.66 | T43305 | T49518 |
| 225 | 590.49 | T43306 | T49519 |
| 300 | 787.32 | T43307 | T49520 |
| 450 | 1180.98 | T43308 | T49521 |
| 500 | 1312.20 | T43309 | T49522 |
| 600 | 1574.64 | T43310 | T49523 |
| 750 | 1968.30 | T43311 | T49524 |
14. 110V Primary - 216V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.02 | - | T49525 |
| 6 | 16.04 | - | T49526 |
| 9 | 24.06 | - | T49527 |
| 15 | 40.09 | T43312 | T49528 |
| 30 | 80.19 | T43313 | T49529 |
| 45 | 120.28 | T43314 | T49530 |
| 75 | 200.47 | T43315 | T49531 |
| 112.5 | 300.71 | T43316 | T49532 |
| 150 | 400.95 | T43317 | T49533 |
| 225 | 601.42 | T43318 | T49534 |
| 300 | 801.90 | T43319 | T49535 |
| 450 | 1202.85 | T43320 | T49536 |
| 500 | 1336.50 | T43321 | T49537 |
| 600 | 1603.80 | T43322 | T49538 |
| 750 | 2004.75 | T43323 | T49539 |
15. 110V Primary - 208Y/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.33 | - | T49540 |
| 6 | 16.65 | - | T49541 |
| 9 | 24.98 | - | T49542 |
| 15 | 41.64 | T43324 | T49543 |
| 30 | 83.27 | T43325 | T49544 |
| 45 | 124.91 | T43326 | T49545 |
| 75 | 208.19 | T43327 | T49546 |
| 112.5 | 312.28 | T43328 | T49547 |
| 150 | 416.37 | T43329 | T49548 |
| 225 | 624.56 | T43330 | T49549 |
| 300 | 832.74 | T43331 | T49550 |
| 450 | 1249.11 | T43332 | T49551 |
| 500 | 1387.90 | T43333 | T49552 |
| 600 | 1665.48 | T43334 | T49553 |
| 750 | 2081.85 | T43335 | T49554 |
16. 110V Primary - 200Y/115 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.66 | - | T49555 |
| 6 | 17.32 | - | T49556 |
| 9 | 25.98 | - | T49557 |
| 15 | 43.30 | T43336 | T49558 |
| 30 | 86.61 | T43337 | T49559 |
| 45 | 129.91 | T43338 | T49560 |
| 75 | 216.51 | T43339 | T49561 |
| 112.5 | 324.77 | T43340 | T49562 |
| 150 | 433.03 | T43341 | T49563 |
| 225 | 649.54 | T43342 | T49564 |
| 300 | 866.05 | T43343 | T49565 |
| 450 | 1299.08 | T43344 | T49566 |
| 500 | 1443.42 | T43345 | T49567 |
| 600 | 1732.10 | T43346 | T49568 |
| 750 | 2165.13 | T43347 | T49569 |
17. 110V Primary - 190Y/110 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 9.12 | - | T49570 |
| 6 | 18.23 | - | T49571 |
| 9 | 27.35 | - | T49572 |
| 15 | 45.58 | T43348 | T49573 |
| 30 | 91.16 | T43349 | T49574 |
| 45 | 136.74 | T43350 | T49575 |
| 75 | 227.91 | T43351 | T49576 |
| 112.5 | 341.86 | T43352 | T49577 |
| 150 | 455.82 | T43353 | T49578 |
| 225 | 683.72 | T43354 | T49579 |
| 300 | 911.63 | T43355 | T49580 |
| 450 | 1367.45 | T43356 | T49581 |
| 500 | 1519.39 | T43357 | T49582 |
| 600 | 1823.26 | T43358 | T49583 |
| 750 | 2279.08 | T43359 | T49584 |
18. 110V Primary - 120V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 14.43 | - | T49585 |
| 6 | 28.87 | - | T49586 |
| 9 | 43.30 | - | T49587 |
| 15 | 72.17 | T43360 | T49588 |
| 30 | 144.34 | T43361 | T49589 |
| 45 | 216.51 | T43362 | T49590 |
| 75 | 360.85 | T43363 | T49591 |
| 112.5 | 541.28 | T43364 | T49592 |
| 150 | 721.71 | T43365 | T49593 |
| 225 | 1082.56 | T43366 | T49594 |
| 300 | 1443.42 | T43367 | T49595 |
| 450 | 2165.13 | T43368 | T49596 |
| 500 | 2405.70 | T43369 | T49597 |
| 600 | 2886.84 | T43370 | T49598 |
| 750 | 3608.55 | T43371 | T49599 |
19. 110V Primary - 115V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.06 | - | T49600 |
| 6 | 30.12 | - | T49601 |
| 9 | 45.19 | - | T49602 |
| 15 | 75.31 | T43372 | T49603 |
| 30 | 150.62 | T43373 | T49604 |
| 45 | 225.93 | T43374 | T49605 |
| 75 | 376.54 | T43375 | T49606 |
| 112.5 | 564.82 | T43376 | T49607 |
| 150 | 753.09 | T43377 | T49608 |
| 225 | 1129.63 | T43378 | T49609 |
| 300 | 1506.18 | T43379 | T49610 |
| 450 | 2259.26 | T43380 | T49611 |
| 500 | 2510.29 | T43381 | T49612 |
| 600 | 3012.35 | T43382 | T49613 |
| 750 | 3765.44 | T43383 | T49614 |
20. 110V Primary - 110V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.75 | - | T49615 |
| 6 | 31.49 | - | T49616 |
| 9 | 47.24 | - | T49617 |
| 15 | 78.73 | T43384 | T49618 |
| 30 | 157.46 | T43385 | T49619 |
| 45 | 236.20 | T43386 | T49620 |
| 75 | 393.66 | T43387 | T49621 |
| 112.5 | 590.49 | T43388 | T49622 |
| 150 | 787.32 | T43389 | T49623 |
| 225 | 1180.98 | T43390 | T49624 |
| 300 | 1574.64 | T43391 | T49625 |
| 450 | 2361.96 | T43392 | T49626 |
| 500 | 2624.40 | T43393 | T49627 |
| 600 | 3149.28 | T43394 | T49628 |
| 750 | 3936.59 | T43395 | T49629 |
21. 110V Primary - 100V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 17.32 | - | T49630 |
| 6 | 34.64 | - | T49631 |
| 9 | 51.96 | - | T49632 |
| 15 | 86.61 | T43396 | T49633 |
| 30 | 173.21 | T43397 | T49634 |
| 45 | 259.82 | T43398 | T49635 |
| 75 | 433.03 | T43399 | T49636 |
| 112.5 | 649.54 | T43400 | T49637 |
| 150 | 866.05 | T43401 | T49638 |
| 225 | 1299.08 | T43402 | T49639 |
| 300 | 1732.10 | T43403 | T49640 |
| 450 | 2598.15 | T43404 | T49641 |
| 500 | 2886.84 | T43405 | T49642 |
| 600 | 3464.20 | T43406 | T49643 |
| 750 | 4330.25 | T43407 | T49644 |