D. 480 Volt Primary Single Phase Isolation Transformers
TEMCo Single 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. 600 | 15. 277 |
2. 575 | 16. 240 |
3. 550 | 17. 120/240 |
4. 480 | 18. 230 |
5. 240/480 | 19. 115/230 |
6. 460 | 20. 220 |
7. 230/460 | 21. 110/220 |
8. 440 | 22. 208 |
9. 220/440 | 23. 200 |
10. 416 | 24. 190 |
11. 208/416 | 25. 120 |
12. 400 | 26. 115 |
13. 380 | 27. 110 |
14. 347 | 28. 100 |
1. 480V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T28480 |
5 | 8.33 | - | T28481 |
7.5 | 12.5 | - | T28482 |
10 | 16.67 | T17493 | T28483 |
15 | 25 | T17494 | T28484 |
25 | 41.67 | T17495 | T28485 |
37.5 | 62.5 | T17496 | T28486 |
50 | 83.33 | T17497 | T28487 |
75 | 125 | T17498 | T28488 |
100 | 166.67 | T17499 | T28489 |
167 | 278.33 | T17500 | T28490 |
200 | 333.33 | T17501 | T28491 |
250 | 416.67 | T17502 | T28492 |
330 | 550 | T17503 | T28493 |
2. 480V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T28494 |
5 | 8.70 | - | T28495 |
7.5 | 13.04 | - | T28496 |
10 | 17.39 | T17507 | T28497 |
15 | 26.09 | T17508 | T28498 |
25 | 43.48 | T17509 | T28499 |
37.5 | 65.22 | T17510 | T28500 |
50 | 86.96 | T17511 | T28501 |
75 | 130.43 | T17512 | T28502 |
100 | 173.91 | T17513 | T28503 |
167 | 290.43 | T17514 | T28504 |
200 | 347.83 | T17515 | T28505 |
250 | 434.78 | T17516 | T28506 |
330 | 573.91 | T17517 | T28507 |
3. 480V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T28508 |
5 | 9.09 | - | T28509 |
7.5 | 13.64 | - | T28510 |
10 | 18.18 | T17521 | T28511 |
15 | 27.27 | T17522 | T28512 |
25 | 45.45 | T17523 | T28513 |
37.5 | 68.18 | T17524 | T28514 |
50 | 90.91 | T17525 | T28515 |
75 | 136.36 | T17526 | T28516 |
100 | 181.82 | T17527 | T28517 |
167 | 303.64 | T17528 | T28518 |
200 | 363.64 | T17529 | T28519 |
250 | 454.55 | T17530 | T28520 |
330 | 600 | T17531 | T28521 |
4. 480V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T28522 |
5 | 10.42 | - | T28523 |
7.5 | 15.63 | - | T28524 |
10 | 20.83 | T17535 | T28525 |
15 | 31.25 | T17536 | T28526 |
25 | 52.08 | T17537 | T28527 |
37.5 | 78.13 | T17538 | T28528 |
50 | 104.17 | T17539 | T28529 |
75 | 156.25 | T17540 | T28530 |
100 | 208.33 | T17541 | T28531 |
167 | 347.92 | T17542 | T28532 |
200 | 416.67 | T17543 | T28533 |
250 | 520.83 | T17544 | T28534 |
330 | 687.50 | T17545 | T28535 |
5. 480V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T28536 |
5 | 20.83/10.42 | - | T28537 |
7.5 | 31.25/15.63 | - | T28538 |
10 | 41.67/20.83 | T17549 | T28539 |
15 | 62.5/31.25 | T17550 | T28540 |
25 | 104.17/52.08 | T17551 | T28541 |
37.5 | 156.25/78.13 | T17552 | T28542 |
50 | 208.33/104.17 | T17553 | T28543 |
75 | 312.5/156.25 | T17554 | T28544 |
100 | 416.67/208.33 | T17555 | T28545 |
167 | 695.83/347.92 | T17556 | T28546 |
200 | 833.33/416.67 | T17557 | T28547 |
250 | 1041.67/520.83 | T17558 | T28548 |
330 | 1375/687.5 | T17559 | T28549 |
6. 480V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T28550 |
5 | 10.87 | - | T28551 |
7.5 | 16.30 | - | T28552 |
10 | 21.74 | T17563 | T28553 |
15 | 32.61 | T17564 | T28554 |
25 | 54.35 | T17565 | T28555 |
37.5 | 81.52 | T17566 | T28556 |
50 | 108.70 | T17567 | T28557 |
75 | 163.04 | T17568 | T28558 |
100 | 217.39 | T17569 | T28559 |
167 | 363.04 | T17570 | T28560 |
200 | 434.78 | T17571 | T28561 |
250 | 543.48 | T17572 | T28562 |
330 | 717.39 | T17573 | T28563 |
7. 480V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T28564 |
5 | 21.74/10.87 | - | T28565 |
7.5 | 32.61/16.3 | - | T28566 |
10 | 43.48/21.74 | T17577 | T28567 |
15 | 65.22/32.61 | T17578 | T28568 |
25 | 108.7/54.35 | T17579 | T28569 |
37.5 | 163.04/81.52 | T17580 | T28570 |
50 | 217.39/108.7 | T17581 | T28571 |
75 | 326.09/163.04 | T17582 | T28572 |
100 | 434.78/217.39 | T17583 | T28573 |
167 | 726.09/363.04 | T17584 | T28574 |
200 | 869.57/434.78 | T17585 | T28575 |
250 | 1086.96/543.48 | T17586 | T28576 |
330 | 1434.78/717.39 | T17587 | T28577 |
8. 480V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T28578 |
5 | 11.36 | - | T28579 |
7.5 | 17.05 | - | T28580 |
10 | 22.73 | T17591 | T28581 |
15 | 34.09 | T17592 | T28582 |
25 | 56.82 | T17593 | T28583 |
37.5 | 85.23 | T17594 | T28584 |
50 | 113.64 | T17595 | T28585 |
75 | 170.45 | T17596 | T28586 |
100 | 227.27 | T17597 | T28587 |
167 | 379.55 | T17598 | T28588 |
200 | 454.55 | T17599 | T28589 |
250 | 568.18 | T17600 | T28590 |
330 | 750 | T17601 | T28591 |
9. 480V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T28592 |
5 | 22.73/11.36 | - | T28593 |
7.5 | 34.09/17.05 | - | T28594 |
10 | 45.45/22.73 | T17605 | T28595 |
15 | 68.18/34.09 | T17606 | T28596 |
25 | 113.64/56.82 | T17607 | T28597 |
37.5 | 170.45/85.23 | T17608 | T28598 |
50 | 227.27/113.64 | T17609 | T28599 |
75 | 340.91/170.45 | T17610 | T28600 |
100 | 454.55/227.27 | T17611 | T28601 |
167 | 759.09/379.55 | T17612 | T28602 |
200 | 909.09/454.55 | T17613 | T28603 |
250 | 1136.36/568.18 | T17614 | T28604 |
330 | 1500/750 | T17615 | T28605 |
10. 480V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T28606 |
5 | 12.02 | - | T28607 |
7.5 | 18.03 | - | T28608 |
10 | 24.04 | T17619 | T28609 |
15 | 36.06 | T17620 | T28610 |
25 | 60.10 | T17621 | T28611 |
37.5 | 90.14 | T17622 | T28612 |
50 | 120.19 | T17623 | T28613 |
75 | 180.29 | T17624 | T28614 |
100 | 240.38 | T17625 | T28615 |
167 | 401.44 | T17626 | T28616 |
200 | 480.77 | T17627 | T28617 |
250 | 600.96 | T17628 | T28618 |
330 | 793.27 | T17629 | T28619 |
11. 480V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T28620 |
5 | 24.04/12.02 | - | T28621 |
7.5 | 36.06/18.03 | - | T28622 |
10 | 48.08/24.04 | T17633 | T28623 |
15 | 72.12/36.06 | T17634 | T28624 |
25 | 120.19/60.1 | T17635 | T28625 |
37.5 | 180.29/90.14 | T17636 | T28626 |
50 | 240.38/120.19 | T17637 | T28627 |
75 | 360.58/180.29 | T17638 | T28628 |
100 | 480.77/240.38 | T17639 | T28629 |
167 | 802.88/401.44 | T17640 | T28630 |
200 | 961.54/480.77 | T17641 | T28631 |
250 | 1201.92/600.96 | T17642 | T28632 |
330 | 1586.54/793.27 | T17643 | T28633 |
12. 480V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T28634 |
5 | 12.5 | - | T28635 |
7.5 | 18.75 | - | T28636 |
10 | 25 | T17647 | T28637 |
15 | 37.5 | T17648 | T28638 |
25 | 62.5 | T17649 | T28639 |
37.5 | 93.75 | T17650 | T28640 |
50 | 125 | T17651 | T28641 |
75 | 187.5 | T17652 | T28642 |
100 | 250 | T17653 | T28643 |
167 | 417.5 | T17654 | T28644 |
200 | 500 | T17655 | T28645 |
250 | 625 | T17656 | T28646 |
330 | 825 | T17657 | T28647 |
13. 480V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T28648 |
5 | 13.16 | - | T28649 |
7.5 | 19.74 | - | T28650 |
10 | 26.32 | T17661 | T28651 |
15 | 39.47 | T17662 | T28652 |
25 | 65.79 | T17663 | T28653 |
37.5 | 98.68 | T17664 | T28654 |
50 | 131.58 | T17665 | T28655 |
75 | 197.37 | T17666 | T28656 |
100 | 263.16 | T17667 | T28657 |
167 | 439.47 | T17668 | T28658 |
200 | 526.32 | T17669 | T28659 |
250 | 657.89 | T17670 | T28660 |
330 | 868.42 | T17671 | T28661 |
14. 480V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T28662 |
5 | 14.41 | - | T28663 |
7.5 | 21.61 | - | T28664 |
10 | 28.82 | T17675 | T28665 |
15 | 43.23 | T17676 | T28666 |
25 | 72.05 | T17677 | T28667 |
37.5 | 108.07 | T17678 | T28668 |
50 | 144.09 | T17679 | T28669 |
75 | 216.14 | T17680 | T28670 |
100 | 288.18 | T17681 | T28671 |
167 | 481.27 | T17682 | T28672 |
200 | 576.37 | T17683 | T28673 |
250 | 720.46 | T17684 | T28674 |
330 | 951.01 | T17685 | T28675 |
15. 480V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T28676 |
5 | 18.05 | - | T28677 |
7.5 | 27.08 | - | T28678 |
10 | 36.10 | T17689 | T28679 |
15 | 54.15 | T17690 | T28680 |
25 | 90.25 | T17691 | T28681 |
37.5 | 135.38 | T17692 | T28682 |
50 | 180.51 | T17693 | T28683 |
75 | 270.76 | T17694 | T28684 |
100 | 361.01 | T17695 | T28685 |
167 | 602.89 | T17696 | T28686 |
200 | 722.02 | T17697 | T28687 |
250 | 902.53 | T17698 | T28688 |
330 | 1191.34 | T17699 | T28689 |
16. 480V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T28690 |
5 | 20.83 | - | T28691 |
7.5 | 31.25 | - | T28692 |
10 | 41.67 | T17703 | T28693 |
15 | 62.5 | T17704 | T28694 |
25 | 104.17 | T17705 | T28695 |
37.5 | 156.25 | T17706 | T28696 |
50 | 208.33 | T17707 | T28697 |
75 | 312.5 | T17708 | T28698 |
100 | 416.67 | T17709 | T28699 |
167 | 695.83 | T17710 | T28700 |
200 | 833.33 | T17711 | T28701 |
250 | 1041.67 | T17712 | T28702 |
330 | 1375 | T17713 | T28703 |
17. 480V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T28704 |
5 | 41.67/20.83 | - | T28705 |
7.5 | 62.5/31.25 | - | T28706 |
10 | 83.33/41.67 | T17717 | T28707 |
15 | 125/62.5 | T17718 | T28708 |
25 | 208.33/104.17 | T17719 | T28709 |
37.5 | 312.5/156.25 | T17720 | T28710 |
50 | 416.67/208.33 | T17721 | T28711 |
75 | 625/312.5 | T17722 | T28712 |
100 | 833.33/416.67 | T17723 | T28713 |
167 | 1391.67/695.83 | T17724 | T28714 |
200 | 1666.67/833.33 | T17725 | T28715 |
250 | 2083.33/1041.67 | T17726 | T28716 |
330 | 2750/1375 | T17727 | T28717 |
18. 480V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T28718 |
5 | 21.74 | - | T28719 |
7.5 | 32.61 | - | T28720 |
10 | 43.48 | T17731 | T28721 |
15 | 65.22 | T17732 | T28722 |
25 | 108.70 | T17733 | T28723 |
37.5 | 163.04 | T17734 | T28724 |
50 | 217.39 | T17735 | T28725 |
75 | 326.09 | T17736 | T28726 |
100 | 434.78 | T17737 | T28727 |
167 | 726.09 | T17738 | T28728 |
200 | 869.57 | T17739 | T28729 |
250 | 1086.96 | T17740 | T28730 |
330 | 1434.78 | T17741 | T28731 |
19. 480V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T28732 |
5 | 43.48/21.74 | - | T28733 |
7.5 | 65.22/32.61 | - | T28734 |
10 | 86.96/43.48 | T17745 | T28735 |
15 | 130.43/65.22 | T17746 | T28736 |
25 | 217.39/108.7 | T17747 | T28737 |
37.5 | 326.09/163.04 | T17748 | T28738 |
50 | 434.78/217.39 | T17749 | T28739 |
75 | 652.17/326.09 | T17750 | T28740 |
100 | 869.57/434.78 | T17751 | T28741 |
167 | 1452.17/726.09 | T17752 | T28742 |
200 | 1739.13/869.57 | T17753 | T28743 |
250 | 2173.91/1086.96 | T17754 | T28744 |
330 | 2869.57/1434.78 | T17755 | T28745 |
20. 480V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T28746 |
5 | 22.73 | - | T28747 |
7.5 | 34.09 | - | T28748 |
10 | 45.45 | T17759 | T28749 |
15 | 68.18 | T17760 | T28750 |
25 | 113.64 | T17761 | T28751 |
37.5 | 170.45 | T17762 | T28752 |
50 | 227.27 | T17763 | T28753 |
75 | 340.91 | T17764 | T28754 |
100 | 454.55 | T17765 | T28755 |
167 | 759.09 | T17766 | T28756 |
200 | 909.09 | T17767 | T28757 |
250 | 1136.36 | T17768 | T28758 |
330 | 1500 | T17769 | T28759 |
21. 480V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T28760 |
5 | 45.45/22.73 | - | T28761 |
7.5 | 68.18/34.09 | - | T28762 |
10 | 90.91/45.45 | T17773 | T28763 |
15 | 136.36/68.18 | T17774 | T28764 |
25 | 227.27/113.64 | T17775 | T28765 |
37.5 | 340.91/170.45 | T17776 | T28766 |
50 | 454.55/227.27 | T17777 | T28767 |
75 | 681.82/340.91 | T17778 | T28768 |
100 | 909.09/454.55 | T17779 | T28769 |
167 | 1518.18/759.09 | T17780 | T28770 |
200 | 1818.18/909.09 | T17781 | T28771 |
250 | 2272.73/1136.36 | T17782 | T28772 |
330 | 3000/1500 | T17783 | T28773 |
22. 480V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T28774 |
5 | 24.04 | - | T28775 |
7.5 | 36.06 | - | T28776 |
10 | 48.08 | T17801 | T28777 |
15 | 72.12 | T17802 | T28778 |
25 | 120.19 | T17803 | T28779 |
37.5 | 180.29 | T17804 | T28780 |
50 | 240.38 | T17805 | T28781 |
75 | 360.58 | T17806 | T28782 |
100 | 480.77 | T17807 | T28783 |
167 | 802.88 | T17808 | T28784 |
200 | 961.54 | T17809 | T28785 |
250 | 1201.92 | T17810 | T28786 |
330 | 1586.54 | T17811 | T28787 |
23. 480V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T28788 |
5 | 25 | - | T28789 |
7.5 | 37.5 | - | T28790 |
10 | 50 | T17815 | T28791 |
15 | 75 | T17816 | T28792 |
25 | 125 | T17817 | T28793 |
37.5 | 187.5 | T17818 | T28794 |
50 | 250 | T17819 | T28795 |
75 | 375 | T17820 | T28796 |
100 | 500 | T17821 | T28797 |
167 | 835 | T17822 | T28798 |
200 | 1000 | T17823 | T28799 |
250 | 1250 | T17824 | T28800 |
330 | 1650 | T17825 | T28801 |
24. 480V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T28802 |
5 | 26.32 | - | T28803 |
7.5 | 39.47 | - | T28804 |
10 | 52.63 | T17829 | T28805 |
15 | 78.95 | T17830 | T28806 |
25 | 131.58 | T17831 | T28807 |
37.5 | 197.37 | T17832 | T28808 |
50 | 263.16 | T17833 | T28809 |
75 | 394.74 | T17834 | T28810 |
100 | 526.32 | T17835 | T28811 |
167 | 878.95 | T17836 | T28812 |
200 | 1052.63 | T17837 | T28813 |
250 | 1315.79 | T17838 | T28814 |
330 | 1736.84 | T17839 | T28815 |
25. 480V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T28816 |
5 | 41.67 | - | T28817 |
7.5 | 62.5 | - | T28818 |
10 | 83.33 | T17843 | T28819 |
15 | 125 | T17844 | T28820 |
25 | 208.33 | T17845 | T28821 |
37.5 | 312.5 | T17846 | T28822 |
50 | 416.67 | T17847 | T28823 |
75 | 625 | T17848 | T28824 |
100 | 833.33 | T17849 | T28825 |
167 | 1391.67 | T17850 | T28826 |
200 | 1666.67 | T17851 | T28827 |
250 | 2083.33 | T17852 | T28828 |
330 | 2750 | T17853 | T28829 |
26. 480V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T28830 |
5 | 43.48 | - | T28831 |
7.5 | 65.22 | - | T28832 |
10 | 86.96 | T17857 | T28833 |
15 | 130.43 | T17858 | T28834 |
25 | 217.39 | T17859 | T28835 |
37.5 | 326.09 | T17860 | T28836 |
50 | 434.78 | T17861 | T28837 |
75 | 652.17 | T17862 | T28838 |
100 | 869.57 | T17863 | T28839 |
167 | 1452.17 | T17864 | T28840 |
200 | 1739.13 | T17865 | T28841 |
250 | 2173.91 | T17866 | T28842 |
330 | 2869.57 | T17867 | T28843 |
27. 480V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T28844 |
5 | 45.45 | - | T28845 |
7.5 | 68.18 | - | T28846 |
10 | 90.91 | T17871 | T28847 |
15 | 136.36 | T17872 | T28848 |
25 | 227.27 | T17873 | T28849 |
37.5 | 340.91 | T17874 | T28850 |
50 | 454.55 | T17875 | T28851 |
75 | 681.82 | T17876 | T28852 |
100 | 909.09 | T17877 | T28853 |
167 | 1518.18 | T17878 | T28854 |
200 | 1818.18 | T17879 | T28855 |
250 | 2272.73 | T17880 | T28856 |
330 | 3000 | T17881 | T28857 |
28. 480V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T28858 |
5 | 50 | - | T28859 |
7.5 | 75 | - | T28860 |
10 | 100 | T17885 | T28861 |
15 | 150 | T17886 | T28862 |
25 | 250 | T17887 | T28863 |
37.5 | 375 | T17888 | T28864 |
50 | 500 | T17889 | T28865 |
75 | 750 | T17890 | T28866 |
100 | 1000 | T17891 | T28867 |
167 | 1670 | T17892 | T28868 |
200 | 2000 | T17893 | T28869 |
250 | 2500 | T17894 | T28870 |
330 | 3300 | T17895 | T28871 |