I. 380 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. 380V Primary - 600Y/347 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 2.89 | - | T46180 |
| 6 | 5.77 | - | T46181 |
| 9 | 8.66 | - | T46182 |
| 15 | 14.43 | T40636 | T46183 |
| 30 | 28.87 | T40637 | T46184 |
| 45 | 43.30 | T40638 | T46185 |
| 75 | 72.17 | T40639 | T46186 |
| 112.5 | 108.26 | T40640 | T46187 |
| 150 | 144.34 | T40641 | T46188 |
| 225 | 216.51 | T40642 | T46189 |
| 300 | 288.68 | T40643 | T46190 |
| 450 | 433.03 | T40644 | T46191 |
| 500 | 481.14 | T40645 | T46192 |
| 600 | 577.37 | T40646 | T46193 |
| 750 | 721.71 | T40647 | T46194 |
2. 380V Primary - 575Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.01 | - | T46195 |
| 6 | 6.02 | - | T46196 |
| 9 | 9.04 | - | T46197 |
| 15 | 15.06 | T40648 | T46198 |
| 30 | 30.12 | T40649 | T46199 |
| 45 | 45.19 | T40650 | T46200 |
| 75 | 75.31 | T40651 | T46201 |
| 112.5 | 112.96 | T40652 | T46202 |
| 150 | 150.62 | T40653 | T46203 |
| 225 | 225.93 | T40654 | T46204 |
| 300 | 301.24 | T40655 | T46205 |
| 450 | 451.85 | T40656 | T46206 |
| 500 | 502.06 | T40657 | T46207 |
| 600 | 602.47 | T40658 | T46208 |
| 750 | 753.09 | T40659 | T46209 |
3. 380V Primary - 550Y/316 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.15 | - | T46210 |
| 6 | 6.30 | - | T46211 |
| 9 | 9.45 | - | T46212 |
| 15 | 15.75 | T40660 | T46213 |
| 30 | 31.49 | T40661 | T46214 |
| 45 | 47.24 | T40662 | T46215 |
| 75 | 78.73 | T40663 | T46216 |
| 112.5 | 118.10 | T40664 | T46217 |
| 150 | 157.46 | T40665 | T46218 |
| 225 | 236.20 | T40666 | T46219 |
| 300 | 314.93 | T40667 | T46220 |
| 450 | 472.39 | T40668 | T46221 |
| 500 | 524.88 | T40669 | T46222 |
| 600 | 629.86 | T40670 | T46223 |
| 750 | 787.32 | T40671 | T46224 |
4. 380V Primary - 480Y/277 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.61 | - | T46225 |
| 6 | 7.22 | - | T46226 |
| 9 | 10.83 | - | T46227 |
| 15 | 18.04 | T40672 | T46228 |
| 30 | 36.09 | T40673 | T46229 |
| 45 | 54.13 | T40674 | T46230 |
| 75 | 90.21 | T40675 | T46231 |
| 112.5 | 135.32 | T40676 | T46232 |
| 150 | 180.43 | T40677 | T46233 |
| 225 | 270.64 | T40678 | T46234 |
| 300 | 360.85 | T40679 | T46235 |
| 450 | 541.28 | T40680 | T46236 |
| 500 | 601.42 | T40681 | T46237 |
| 600 | 721.71 | T40682 | T46238 |
| 750 | 902.14 | T40683 | T46239 |
5. 380V Primary - 460V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.77 | - | T46240 |
| 6 | 7.53 | - | T46241 |
| 9 | 11.30 | - | T46242 |
| 15 | 18.83 | T40684 | T46243 |
| 30 | 37.65 | T40685 | T46244 |
| 45 | 56.48 | T40686 | T46245 |
| 75 | 94.14 | T40687 | T46246 |
| 112.5 | 141.20 | T40688 | T46247 |
| 150 | 188.27 | T40689 | T46248 |
| 225 | 282.41 | T40690 | T46249 |
| 300 | 376.54 | T40691 | T46250 |
| 450 | 564.82 | T40692 | T46251 |
| 500 | 627.57 | T40693 | T46252 |
| 600 | 753.09 | T40694 | T46253 |
| 750 | 941.36 | T40695 | T46254 |
6. 380V Primary - 440V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.94 | - | T46255 |
| 6 | 7.87 | - | T46256 |
| 9 | 11.81 | - | T46257 |
| 15 | 19.68 | T40696 | T46258 |
| 30 | 39.37 | T40697 | T46259 |
| 45 | 59.05 | T40698 | T46260 |
| 75 | 98.41 | T40699 | T46261 |
| 112.5 | 147.62 | T40700 | T46262 |
| 150 | 196.83 | T40701 | T46263 |
| 225 | 295.24 | T40702 | T46264 |
| 300 | 393.66 | T40703 | T46265 |
| 450 | 590.49 | T40704 | T46266 |
| 500 | 656.10 | T40705 | T46267 |
| 600 | 787.32 | T40706 | T46268 |
| 750 | 984.15 | T40707 | T46269 |
7. 380V Primary - 416Y/240 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.16 | - | T46270 |
| 6 | 8.33 | - | T46271 |
| 9 | 12.49 | - | T46272 |
| 15 | 20.82 | T40708 | T46273 |
| 30 | 41.64 | T40709 | T46274 |
| 45 | 62.46 | T40710 | T46275 |
| 75 | 104.09 | T40711 | T46276 |
| 112.5 | 156.14 | T40712 | T46277 |
| 150 | 208.19 | T40713 | T46278 |
| 225 | 312.28 | T40714 | T46279 |
| 300 | 416.37 | T40715 | T46280 |
| 450 | 624.56 | T40716 | T46281 |
| 500 | 693.95 | T40717 | T46282 |
| 600 | 832.74 | T40718 | T46283 |
| 750 | 1040.93 | T40719 | T46284 |
8. 380V Primary - 400Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.33 | - | T46285 |
| 6 | 8.66 | - | T46286 |
| 9 | 12.99 | - | T46287 |
| 15 | 21.65 | T40720 | T46288 |
| 30 | 43.30 | T40721 | T46289 |
| 45 | 64.95 | T40722 | T46290 |
| 75 | 108.26 | T40723 | T46291 |
| 112.5 | 162.38 | T40724 | T46292 |
| 150 | 216.51 | T40725 | T46293 |
| 225 | 324.77 | T40726 | T46294 |
| 300 | 433.03 | T40727 | T46295 |
| 450 | 649.54 | T40728 | T46296 |
| 500 | 721.71 | T40729 | T46297 |
| 600 | 866.05 | T40730 | T46298 |
| 750 | 1082.56 | T40731 | T46299 |
9. 380V Primary - 380Y/220 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.56 | - | T46300 |
| 6 | 9.12 | - | T46301 |
| 9 | 13.67 | - | T46302 |
| 15 | 22.79 | T40732 | T46303 |
| 30 | 45.58 | T40733 | T46304 |
| 45 | 68.37 | T40734 | T46305 |
| 75 | 113.95 | T40735 | T46306 |
| 112.5 | 170.93 | T40736 | T46307 |
| 150 | 227.91 | T40737 | T46308 |
| 225 | 341.86 | T40738 | T46309 |
| 300 | 455.82 | T40739 | T46310 |
| 450 | 683.72 | T40740 | T46311 |
| 500 | 759.69 | T40741 | T46312 |
| 600 | 911.63 | T40742 | T46313 |
| 750 | 1139.54 | T40743 | T46314 |
10. 380V Primary - 240Y/139 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T46315 |
| 6 | 14.43 | - | T46316 |
| 9 | 21.65 | - | T46317 |
| 15 | 36.09 | T40744 | T46318 |
| 30 | 72.17 | T40745 | T46319 |
| 45 | 108.26 | T40746 | T46320 |
| 75 | 180.43 | T40747 | T46321 |
| 112.5 | 270.64 | T40748 | T46322 |
| 150 | 360.85 | T40749 | T46323 |
| 225 | 541.28 | T40750 | T46324 |
| 300 | 721.71 | T40751 | T46325 |
| 450 | 1082.56 | T40752 | T46326 |
| 500 | 1202.85 | T40753 | T46327 |
| 600 | 1443.42 | T40754 | T46328 |
| 750 | 1804.27 | T40755 | T46329 |
11. 380V Primary - 240CTD/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T46330 |
| 6 | 14.43 | - | T46331 |
| 9 | 21.65 | - | T46332 |
| 15 | 36.09 | T40756 | T46333 |
| 30 | 72.17 | T40757 | T46334 |
| 45 | 108.26 | T40758 | T46335 |
| 75 | 180.43 | T40759 | T46336 |
| 112.5 | 270.64 | T40760 | T46337 |
| 150 | 360.85 | T40761 | T46338 |
| 225 | 541.28 | T40762 | T46339 |
| 300 | 721.71 | T40763 | T46340 |
| 450 | 1082.56 | T40764 | T46341 |
| 500 | 1202.85 | T40765 | T46342 |
| 600 | 1443.42 | T40766 | T46343 |
| 750 | 1804.27 | T40767 | T46344 |
12. 380V Primary - 230Y/133 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.53 | - | T46345 |
| 6 | 15.06 | - | T46346 |
| 9 | 22.59 | - | T46347 |
| 15 | 37.65 | T40768 | T46348 |
| 30 | 75.31 | T40769 | T46349 |
| 45 | 112.96 | T40770 | T46350 |
| 75 | 188.27 | T40771 | T46351 |
| 112.5 | 282.41 | T40772 | T46352 |
| 150 | 376.54 | T40773 | T46353 |
| 225 | 564.82 | T40774 | T46354 |
| 300 | 753.09 | T40775 | T46355 |
| 450 | 1129.63 | T40776 | T46356 |
| 500 | 1255.15 | T40777 | T46357 |
| 600 | 1506.18 | T40778 | T46358 |
| 750 | 1882.72 | T40779 | T46359 |
13. 380V Primary - 220Y/127 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.87 | - | T46360 |
| 6 | 15.75 | - | T46361 |
| 9 | 23.62 | - | T46362 |
| 15 | 39.37 | T40780 | T46363 |
| 30 | 78.73 | T40781 | T46364 |
| 45 | 118.10 | T40782 | T46365 |
| 75 | 196.83 | T40783 | T46366 |
| 112.5 | 295.24 | T40784 | T46367 |
| 150 | 393.66 | T40785 | T46368 |
| 225 | 590.49 | T40786 | T46369 |
| 300 | 787.32 | T40787 | T46370 |
| 450 | 1180.98 | T40788 | T46371 |
| 500 | 1312.20 | T40789 | T46372 |
| 600 | 1574.64 | T40790 | T46373 |
| 750 | 1968.30 | T40791 | T46374 |
14. 380V Primary - 216V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.02 | - | T46375 |
| 6 | 16.04 | - | T46376 |
| 9 | 24.06 | - | T46377 |
| 15 | 40.09 | T40792 | T46378 |
| 30 | 80.19 | T40793 | T46379 |
| 45 | 120.28 | T40794 | T46380 |
| 75 | 200.47 | T40795 | T46381 |
| 112.5 | 300.71 | T40796 | T46382 |
| 150 | 400.95 | T40797 | T46383 |
| 225 | 601.42 | T40798 | T46384 |
| 300 | 801.90 | T40799 | T46385 |
| 450 | 1202.85 | T40800 | T46386 |
| 500 | 1336.50 | T40801 | T46387 |
| 600 | 1603.80 | T40802 | T46388 |
| 750 | 2004.75 | T40803 | T46389 |
15. 380V Primary - 208Y/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.33 | - | T46390 |
| 6 | 16.65 | - | T46391 |
| 9 | 24.98 | - | T46392 |
| 15 | 41.64 | T40804 | T46393 |
| 30 | 83.27 | T40805 | T46394 |
| 45 | 124.91 | T40806 | T46395 |
| 75 | 208.19 | T40807 | T46396 |
| 112.5 | 312.28 | T40808 | T46397 |
| 150 | 416.37 | T40809 | T46398 |
| 225 | 624.56 | T40810 | T46399 |
| 300 | 832.74 | T40811 | T46400 |
| 450 | 1249.11 | T40812 | T46401 |
| 500 | 1387.90 | T40813 | T46402 |
| 600 | 1665.48 | T40814 | T46403 |
| 750 | 2081.85 | T40815 | T46404 |
16. 380V Primary - 200Y/115 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.66 | - | T46405 |
| 6 | 17.32 | - | T46406 |
| 9 | 25.98 | - | T46407 |
| 15 | 43.30 | T40816 | T46408 |
| 30 | 86.61 | T40817 | T46409 |
| 45 | 129.91 | T40818 | T46410 |
| 75 | 216.51 | T40819 | T46411 |
| 112.5 | 324.77 | T40820 | T46412 |
| 150 | 433.03 | T40821 | T46413 |
| 225 | 649.54 | T40822 | T46414 |
| 300 | 866.05 | T40823 | T46415 |
| 450 | 1299.08 | T40824 | T46416 |
| 500 | 1443.42 | T40825 | T46417 |
| 600 | 1732.10 | T40826 | T46418 |
| 750 | 2165.13 | T40827 | T46419 |
17. 380V Primary - 190Y/110 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 9.12 | - | T46420 |
| 6 | 18.23 | - | T46421 |
| 9 | 27.35 | - | T46422 |
| 15 | 45.58 | T40828 | T46423 |
| 30 | 91.16 | T40829 | T46424 |
| 45 | 136.74 | T40830 | T46425 |
| 75 | 227.91 | T40831 | T46426 |
| 112.5 | 341.86 | T40832 | T46427 |
| 150 | 455.82 | T40833 | T46428 |
| 225 | 683.72 | T40834 | T46429 |
| 300 | 911.63 | T40835 | T46430 |
| 450 | 1367.45 | T40836 | T46431 |
| 500 | 1519.39 | T40837 | T46432 |
| 600 | 1823.26 | T40838 | T46433 |
| 750 | 2279.08 | T40839 | T46434 |
18. 380V Primary - 120V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 14.43 | - | T46435 |
| 6 | 28.87 | - | T46436 |
| 9 | 43.30 | - | T46437 |
| 15 | 72.17 | T40840 | T46438 |
| 30 | 144.34 | T40841 | T46439 |
| 45 | 216.51 | T40842 | T46440 |
| 75 | 360.85 | T40843 | T46441 |
| 112.5 | 541.28 | T40844 | T46442 |
| 150 | 721.71 | T40845 | T46443 |
| 225 | 1082.56 | T40846 | T46444 |
| 300 | 1443.42 | T40847 | T46445 |
| 450 | 2165.13 | T40848 | T46446 |
| 500 | 2405.70 | T40849 | T46447 |
| 600 | 2886.84 | T40850 | T46448 |
| 750 | 3608.55 | T40851 | T46449 |
19. 380V Primary - 115V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.06 | - | T46450 |
| 6 | 30.12 | - | T46451 |
| 9 | 45.19 | - | T46452 |
| 15 | 75.31 | T40852 | T46453 |
| 30 | 150.62 | T40853 | T46454 |
| 45 | 225.93 | T40854 | T46455 |
| 75 | 376.54 | T40855 | T46456 |
| 112.5 | 564.82 | T40856 | T46457 |
| 150 | 753.09 | T40857 | T46458 |
| 225 | 1129.63 | T40858 | T46459 |
| 300 | 1506.18 | T40859 | T46460 |
| 450 | 2259.26 | T40860 | T46461 |
| 500 | 2510.29 | T40861 | T46462 |
| 600 | 3012.35 | T40862 | T46463 |
| 750 | 3765.44 | T40863 | T46464 |
20. 380V Primary - 110V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.75 | - | T46465 |
| 6 | 31.49 | - | T46466 |
| 9 | 47.24 | - | T46467 |
| 15 | 78.73 | T40864 | T46468 |
| 30 | 157.46 | T40865 | T46469 |
| 45 | 236.20 | T40866 | T46470 |
| 75 | 393.66 | T40867 | T46471 |
| 112.5 | 590.49 | T40868 | T46472 |
| 150 | 787.32 | T40869 | T46473 |
| 225 | 1180.98 | T40870 | T46474 |
| 300 | 1574.64 | T40871 | T46475 |
| 450 | 2361.96 | T40872 | T46476 |
| 500 | 2624.40 | T40873 | T46477 |
| 600 | 3149.28 | T40874 | T46478 |
| 750 | 3936.59 | T40875 | T46479 |
21. 380V Primary - 100V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 17.32 | - | T46480 |
| 6 | 34.64 | - | T46481 |
| 9 | 51.96 | - | T46482 |
| 15 | 86.61 | T40876 | T46483 |
| 30 | 173.21 | T40877 | T46484 |
| 45 | 259.82 | T40878 | T46485 |
| 75 | 433.03 | T40879 | T46486 |
| 112.5 | 649.54 | T40880 | T46487 |
| 150 | 866.05 | T40881 | T46488 |
| 225 | 1299.08 | T40882 | T46489 |
| 300 | 1732.10 | T40883 | T46490 |
| 450 | 2598.15 | T40884 | T46491 |
| 500 | 2886.84 | T40885 | T46492 |
| 600 | 3464.20 | T40886 | T46493 |
| 750 | 4330.25 | T40887 | T46494 |