T. 100 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. 100V Primary - 600Y/347 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 2.89 | - | T49645 |
| 6 | 5.77 | - | T49646 |
| 9 | 8.66 | - | T49647 |
| 15 | 14.43 | T43408 | T49648 |
| 30 | 28.87 | T43409 | T49649 |
| 45 | 43.30 | T43410 | T49650 |
| 75 | 72.17 | T43411 | T49651 |
| 112.5 | 108.26 | T43412 | T49652 |
| 150 | 144.34 | T43413 | T49653 |
| 225 | 216.51 | T43414 | T49654 |
| 300 | 288.68 | T43415 | T49655 |
| 450 | 433.03 | T43416 | T49656 |
| 500 | 481.14 | T43417 | T49657 |
| 600 | 577.37 | T43418 | T49658 |
| 750 | 721.71 | T43419 | T49659 |
2. 100V Primary - 575Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.01 | - | T49660 |
| 6 | 6.02 | - | T49661 |
| 9 | 9.04 | - | T49662 |
| 15 | 15.06 | T43420 | T49663 |
| 30 | 30.12 | T43421 | T49664 |
| 45 | 45.19 | T43422 | T49665 |
| 75 | 75.31 | T43423 | T49666 |
| 112.5 | 112.96 | T43424 | T49667 |
| 150 | 150.62 | T43425 | T49668 |
| 225 | 225.93 | T43426 | T49669 |
| 300 | 301.24 | T43427 | T49670 |
| 450 | 451.85 | T43428 | T49671 |
| 500 | 502.06 | T43429 | T49672 |
| 600 | 602.47 | T43430 | T49673 |
| 750 | 753.09 | T43431 | T49674 |
3. 100V Primary - 550Y/316 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.15 | - | T49675 |
| 6 | 6.30 | - | T49676 |
| 9 | 9.45 | - | T49677 |
| 15 | 15.75 | T43432 | T49678 |
| 30 | 31.49 | T43433 | T49679 |
| 45 | 47.24 | T43434 | T49680 |
| 75 | 78.73 | T43435 | T49681 |
| 112.5 | 118.10 | T43436 | T49682 |
| 150 | 157.46 | T43437 | T49683 |
| 225 | 236.20 | T43438 | T49684 |
| 300 | 314.93 | T43439 | T49685 |
| 450 | 472.39 | T43440 | T49686 |
| 500 | 524.88 | T43441 | T49687 |
| 600 | 629.86 | T43442 | T49688 |
| 750 | 787.32 | T43443 | T49689 |
4. 100V Primary - 480Y/277 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.61 | - | T49690 |
| 6 | 7.22 | - | T49691 |
| 9 | 10.83 | - | T49692 |
| 15 | 18.04 | T43444 | T49693 |
| 30 | 36.09 | T43445 | T49694 |
| 45 | 54.13 | T43446 | T49695 |
| 75 | 90.21 | T43447 | T49696 |
| 112.5 | 135.32 | T43448 | T49697 |
| 150 | 180.43 | T43449 | T49698 |
| 225 | 270.64 | T43450 | T49699 |
| 300 | 360.85 | T43451 | T49700 |
| 450 | 541.28 | T43452 | T49701 |
| 500 | 601.42 | T43453 | T49702 |
| 600 | 721.71 | T43454 | T49703 |
| 750 | 902.14 | T43455 | T49704 |
5. 100V Primary - 460V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.77 | - | T49705 |
| 6 | 7.53 | - | T49706 |
| 9 | 11.30 | - | T49707 |
| 15 | 18.83 | T43456 | T49708 |
| 30 | 37.65 | T43457 | T49709 |
| 45 | 56.48 | T43458 | T49710 |
| 75 | 94.14 | T43459 | T49711 |
| 112.5 | 141.20 | T43460 | T49712 |
| 150 | 188.27 | T43461 | T49713 |
| 225 | 282.41 | T43462 | T49714 |
| 300 | 376.54 | T43463 | T49715 |
| 450 | 564.82 | T43464 | T49716 |
| 500 | 627.57 | T43465 | T49717 |
| 600 | 753.09 | T43466 | T49718 |
| 750 | 941.36 | T43467 | T49719 |
6. 100V Primary - 440V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.94 | - | T49720 |
| 6 | 7.87 | - | T49721 |
| 9 | 11.81 | - | T49722 |
| 15 | 19.68 | T43468 | T49723 |
| 30 | 39.37 | T43469 | T49724 |
| 45 | 59.05 | T43470 | T49725 |
| 75 | 98.41 | T43471 | T49726 |
| 112.5 | 147.62 | T43472 | T49727 |
| 150 | 196.83 | T43473 | T49728 |
| 225 | 295.24 | T43474 | T49729 |
| 300 | 393.66 | T43475 | T49730 |
| 450 | 590.49 | T43476 | T49731 |
| 500 | 656.10 | T43477 | T49732 |
| 600 | 787.32 | T43478 | T49733 |
| 750 | 984.15 | T43479 | T49734 |
7. 100V Primary - 416Y/240 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.16 | - | T49735 |
| 6 | 8.33 | - | T49736 |
| 9 | 12.49 | - | T49737 |
| 15 | 20.82 | T43480 | T49738 |
| 30 | 41.64 | T43481 | T49739 |
| 45 | 62.46 | T43482 | T49740 |
| 75 | 104.09 | T43483 | T49741 |
| 112.5 | 156.14 | T43484 | T49742 |
| 150 | 208.19 | T43485 | T49743 |
| 225 | 312.28 | T43486 | T49744 |
| 300 | 416.37 | T43487 | T49745 |
| 450 | 624.56 | T43488 | T49746 |
| 500 | 693.95 | T43489 | T49747 |
| 600 | 832.74 | T43490 | T49748 |
| 750 | 1040.93 | T43491 | T49749 |
8. 100V Primary - 400Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.33 | - | T49750 |
| 6 | 8.66 | - | T49751 |
| 9 | 12.99 | - | T49752 |
| 15 | 21.65 | T43492 | T49753 |
| 30 | 43.30 | T43493 | T49754 |
| 45 | 64.95 | T43494 | T49755 |
| 75 | 108.26 | T43495 | T49756 |
| 112.5 | 162.38 | T43496 | T49757 |
| 150 | 216.51 | T43497 | T49758 |
| 225 | 324.77 | T43498 | T49759 |
| 300 | 433.03 | T43499 | T49760 |
| 450 | 649.54 | T43500 | T49761 |
| 500 | 721.71 | T43501 | T49762 |
| 600 | 866.05 | T43502 | T49763 |
| 750 | 1082.56 | T43503 | T49764 |
9. 100V Primary - 380Y/220 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.56 | - | T49765 |
| 6 | 9.12 | - | T49766 |
| 9 | 13.67 | - | T49767 |
| 15 | 22.79 | T43504 | T49768 |
| 30 | 45.58 | T43505 | T49769 |
| 45 | 68.37 | T43506 | T49770 |
| 75 | 113.95 | T43507 | T49771 |
| 112.5 | 170.93 | T43508 | T49772 |
| 150 | 227.91 | T43509 | T49773 |
| 225 | 341.86 | T43510 | T49774 |
| 300 | 455.82 | T43511 | T49775 |
| 450 | 683.72 | T43512 | T49776 |
| 500 | 759.69 | T43513 | T49777 |
| 600 | 911.63 | T43514 | T49778 |
| 750 | 1139.54 | T43515 | T49779 |
10. 100V Primary - 240Y/139 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T49780 |
| 6 | 14.43 | - | T49781 |
| 9 | 21.65 | - | T49782 |
| 15 | 36.09 | T43516 | T49783 |
| 30 | 72.17 | T43517 | T49784 |
| 45 | 108.26 | T43518 | T49785 |
| 75 | 180.43 | T43519 | T49786 |
| 112.5 | 270.64 | T43520 | T49787 |
| 150 | 360.85 | T43521 | T49788 |
| 225 | 541.28 | T43522 | T49789 |
| 300 | 721.71 | T43523 | T49790 |
| 450 | 1082.56 | T43524 | T49791 |
| 500 | 1202.85 | T43525 | T49792 |
| 600 | 1443.42 | T43526 | T49793 |
| 750 | 1804.27 | T43527 | T49794 |
11. 100V Primary - 240CTD/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T49795 |
| 6 | 14.43 | - | T49796 |
| 9 | 21.65 | - | T49797 |
| 15 | 36.09 | T43528 | T49798 |
| 30 | 72.17 | T43529 | T49799 |
| 45 | 108.26 | T43530 | T49800 |
| 75 | 180.43 | T43531 | T49801 |
| 112.5 | 270.64 | T43532 | T49802 |
| 150 | 360.85 | T43533 | T49803 |
| 225 | 541.28 | T43534 | T49804 |
| 300 | 721.71 | T43535 | T49805 |
| 450 | 1082.56 | T43536 | T49806 |
| 500 | 1202.85 | T43537 | T49807 |
| 600 | 1443.42 | T43538 | T49808 |
| 750 | 1804.27 | T43539 | T49809 |
12. 100V Primary - 230Y/133 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.53 | - | T49810 |
| 6 | 15.06 | - | T49811 |
| 9 | 22.59 | - | T49812 |
| 15 | 37.65 | T43540 | T49813 |
| 30 | 75.31 | T43541 | T49814 |
| 45 | 112.96 | T43542 | T49815 |
| 75 | 188.27 | T43543 | T49816 |
| 112.5 | 282.41 | T43544 | T49817 |
| 150 | 376.54 | T43545 | T49818 |
| 225 | 564.82 | T43546 | T49819 |
| 300 | 753.09 | T43547 | T49820 |
| 450 | 1129.63 | T43548 | T49821 |
| 500 | 1255.15 | T43549 | T49822 |
| 600 | 1506.18 | T43550 | T49823 |
| 750 | 1882.72 | T43551 | T49824 |
13. 100V Primary - 220Y/127 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.87 | - | T49825 |
| 6 | 15.75 | - | T49826 |
| 9 | 23.62 | - | T49827 |
| 15 | 39.37 | T43552 | T49828 |
| 30 | 78.73 | T43553 | T49829 |
| 45 | 118.10 | T43554 | T49830 |
| 75 | 196.83 | T43555 | T49831 |
| 112.5 | 295.24 | T43556 | T49832 |
| 150 | 393.66 | T43557 | T49833 |
| 225 | 590.49 | T43558 | T49834 |
| 300 | 787.32 | T43559 | T49835 |
| 450 | 1180.98 | T43560 | T49836 |
| 500 | 1312.20 | T43561 | T49837 |
| 600 | 1574.64 | T43562 | T49838 |
| 750 | 1968.30 | T43563 | T49839 |
14. 100V Primary - 216V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.02 | - | T49840 |
| 6 | 16.04 | - | T49841 |
| 9 | 24.06 | - | T49842 |
| 15 | 40.09 | T43564 | T49843 |
| 30 | 80.19 | T43565 | T49844 |
| 45 | 120.28 | T43566 | T49845 |
| 75 | 200.47 | T43567 | T49846 |
| 112.5 | 300.71 | T43568 | T49847 |
| 150 | 400.95 | T43569 | T49848 |
| 225 | 601.42 | T43570 | T49849 |
| 300 | 801.90 | T43571 | T49850 |
| 450 | 1202.85 | T43572 | T49851 |
| 500 | 1336.50 | T43573 | T49852 |
| 600 | 1603.80 | T43574 | T49853 |
| 750 | 2004.75 | T43575 | T49854 |
15. 100V Primary - 208Y/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.33 | - | T49855 |
| 6 | 16.65 | - | T49856 |
| 9 | 24.98 | - | T49857 |
| 15 | 41.64 | T43576 | T49858 |
| 30 | 83.27 | T43577 | T49859 |
| 45 | 124.91 | T43578 | T49860 |
| 75 | 208.19 | T43579 | T49861 |
| 112.5 | 312.28 | T43580 | T49862 |
| 150 | 416.37 | T43581 | T49863 |
| 225 | 624.56 | T43582 | T49864 |
| 300 | 832.74 | T43583 | T49865 |
| 450 | 1249.11 | T43584 | T49866 |
| 500 | 1387.90 | T43585 | T49867 |
| 600 | 1665.48 | T43586 | T49868 |
| 750 | 2081.85 | T43587 | T49869 |
16. 100V Primary - 200Y/115 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.66 | - | T49870 |
| 6 | 17.32 | - | T49871 |
| 9 | 25.98 | - | T49872 |
| 15 | 43.30 | T43588 | T49873 |
| 30 | 86.61 | T43589 | T49874 |
| 45 | 129.91 | T43590 | T49875 |
| 75 | 216.51 | T43591 | T49876 |
| 112.5 | 324.77 | T43592 | T49877 |
| 150 | 433.03 | T43593 | T49878 |
| 225 | 649.54 | T43594 | T49879 |
| 300 | 866.05 | T43595 | T49880 |
| 450 | 1299.08 | T43596 | T49881 |
| 500 | 1443.42 | T43597 | T49882 |
| 600 | 1732.10 | T43598 | T49883 |
| 750 | 2165.13 | T43599 | T49884 |
17. 100V Primary - 190Y/110 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 9.12 | - | T49885 |
| 6 | 18.23 | - | T49886 |
| 9 | 27.35 | - | T49887 |
| 15 | 45.58 | T43600 | T49888 |
| 30 | 91.16 | T43601 | T49889 |
| 45 | 136.74 | T43602 | T49890 |
| 75 | 227.91 | T43603 | T49891 |
| 112.5 | 341.86 | T43604 | T49892 |
| 150 | 455.82 | T43605 | T49893 |
| 225 | 683.72 | T43606 | T49894 |
| 300 | 911.63 | T43607 | T49895 |
| 450 | 1367.45 | T43608 | T49896 |
| 500 | 1519.39 | T43609 | T49897 |
| 600 | 1823.26 | T43610 | T49898 |
| 750 | 2279.08 | T43611 | T49899 |
18. 100V Primary - 120V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 14.43 | - | T49900 |
| 6 | 28.87 | - | T49901 |
| 9 | 43.30 | - | T49902 |
| 15 | 72.17 | T43612 | T49903 |
| 30 | 144.34 | T43613 | T49904 |
| 45 | 216.51 | T43614 | T49905 |
| 75 | 360.85 | T43615 | T49906 |
| 112.5 | 541.28 | T43616 | T49907 |
| 150 | 721.71 | T43617 | T49908 |
| 225 | 1082.56 | T43618 | T49909 |
| 300 | 1443.42 | T43619 | T49910 |
| 450 | 2165.13 | T43620 | T49911 |
| 500 | 2405.70 | T43621 | T49912 |
| 600 | 2886.84 | T43622 | T49913 |
| 750 | 3608.55 | T43623 | T49914 |
19. 100V Primary - 115V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.06 | - | T49915 |
| 6 | 30.12 | - | T49916 |
| 9 | 45.19 | - | T49917 |
| 15 | 75.31 | T43624 | T49918 |
| 30 | 150.62 | T43625 | T49919 |
| 45 | 225.93 | T43626 | T49920 |
| 75 | 376.54 | T43627 | T49921 |
| 112.5 | 564.82 | T43628 | T49922 |
| 150 | 753.09 | T43629 | T49923 |
| 225 | 1129.63 | T43630 | T49924 |
| 300 | 1506.18 | T43631 | T49925 |
| 450 | 2259.26 | T43632 | T49926 |
| 500 | 2510.29 | T43633 | T49927 |
| 600 | 3012.35 | T43634 | T49928 |
| 750 | 3765.44 | T43635 | T49929 |
20. 100V Primary - 110V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.75 | - | T49930 |
| 6 | 31.49 | - | T49931 |
| 9 | 47.24 | - | T49932 |
| 15 | 78.73 | T43636 | T49933 |
| 30 | 157.46 | T43637 | T49934 |
| 45 | 236.20 | T43638 | T49935 |
| 75 | 393.66 | T43639 | T49936 |
| 112.5 | 590.49 | T43640 | T49937 |
| 150 | 787.32 | T43641 | T49938 |
| 225 | 1180.98 | T43642 | T49939 |
| 300 | 1574.64 | T43643 | T49940 |
| 450 | 2361.96 | T43644 | T49941 |
| 500 | 2624.40 | T43645 | T49942 |
| 600 | 3149.28 | T43646 | T49943 |
| 750 | 3936.59 | T43647 | T49944 |
21. 100V Primary - 100V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 17.32 | - | T49945 |
| 6 | 34.64 | - | T49946 |
| 9 | 51.96 | - | T49947 |
| 15 | 86.61 | T43648 | T49948 |
| 30 | 173.21 | T43649 | T49949 |
| 45 | 259.82 | T43650 | T49950 |
| 75 | 433.03 | T43651 | T49951 |
| 112.5 | 649.54 | T43652 | T49952 |
| 150 | 866.05 | T43653 | T49953 |
| 225 | 1299.08 | T43654 | T49954 |
| 300 | 1732.10 | T43655 | T49955 |
| 450 | 2598.15 | T43656 | T49956 |
| 500 | 2886.84 | T43657 | T49957 |
| 600 | 3464.20 | T43658 | T49958 |
| 750 | 4330.25 | T43659 | T49959 |