S. 115/230 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. 115/230V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T34360 |
5 | 8.33 | - | T34361 |
7.5 | 12.5 | - | T34362 |
10 | 16.67 | T23387 | T34363 |
15 | 25 | T23388 | T34364 |
25 | 41.67 | T23389 | T34365 |
37.5 | 62.5 | T23390 | T34366 |
50 | 83.33 | T23391 | T34367 |
75 | 125 | T23392 | T34368 |
100 | 166.67 | T23393 | T34369 |
167 | 278.33 | T23394 | T34370 |
200 | 333.33 | T23395 | T34371 |
250 | 416.67 | T23396 | T34372 |
330 | 550 | T23397 | T34373 |
2. 115/230V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T34374 |
5 | 8.70 | - | T34375 |
7.5 | 13.04 | - | T34376 |
10 | 17.39 | T23401 | T34377 |
15 | 26.09 | T23402 | T34378 |
25 | 43.48 | T23403 | T34379 |
37.5 | 65.22 | T23404 | T34380 |
50 | 86.96 | T23405 | T34381 |
75 | 130.43 | T23406 | T34382 |
100 | 173.91 | T23407 | T34383 |
167 | 290.43 | T23408 | T34384 |
200 | 347.83 | T23409 | T34385 |
250 | 434.78 | T23410 | T34386 |
330 | 573.91 | T23411 | T34387 |
3. 115/230V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T34388 |
5 | 9.09 | - | T34389 |
7.5 | 13.64 | - | T34390 |
10 | 18.18 | T23415 | T34391 |
15 | 27.27 | T23416 | T34392 |
25 | 45.45 | T23417 | T34393 |
37.5 | 68.18 | T23418 | T34394 |
50 | 90.91 | T23419 | T34395 |
75 | 136.36 | T23420 | T34396 |
100 | 181.82 | T23421 | T34397 |
167 | 303.64 | T23422 | T34398 |
200 | 363.64 | T23423 | T34399 |
250 | 454.55 | T23424 | T34400 |
330 | 600 | T23425 | T34401 |
4. 115/230V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T34402 |
5 | 10.42 | - | T34403 |
7.5 | 15.63 | - | T34404 |
10 | 20.83 | T23429 | T34405 |
15 | 31.25 | T23430 | T34406 |
25 | 52.08 | T23431 | T34407 |
37.5 | 78.13 | T23432 | T34408 |
50 | 104.17 | T23433 | T34409 |
75 | 156.25 | T23434 | T34410 |
100 | 208.33 | T23435 | T34411 |
167 | 347.92 | T23436 | T34412 |
200 | 416.67 | T23437 | T34413 |
250 | 520.83 | T23438 | T34414 |
330 | 687.50 | T23439 | T34415 |
5. 115/230V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T34416 |
5 | 20.83/10.42 | - | T34417 |
7.5 | 31.25/15.63 | - | T34418 |
10 | 41.67/20.83 | T23443 | T34419 |
15 | 62.5/31.25 | T23444 | T34420 |
25 | 104.17/52.08 | T23445 | T34421 |
37.5 | 156.25/78.13 | T23446 | T34422 |
50 | 208.33/104.17 | T23447 | T34423 |
75 | 312.5/156.25 | T23448 | T34424 |
100 | 416.67/208.33 | T23449 | T34425 |
167 | 695.83/347.92 | T23450 | T34426 |
200 | 833.33/416.67 | T23451 | T34427 |
250 | 1041.67/520.83 | T23452 | T34428 |
330 | 1375/687.5 | T23453 | T34429 |
6. 115/230V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T34430 |
5 | 10.87 | - | T34431 |
7.5 | 16.30 | - | T34432 |
10 | 21.74 | T23457 | T34433 |
15 | 32.61 | T23458 | T34434 |
25 | 54.35 | T23459 | T34435 |
37.5 | 81.52 | T23460 | T34436 |
50 | 108.70 | T23461 | T34437 |
75 | 163.04 | T23462 | T34438 |
100 | 217.39 | T23463 | T34439 |
167 | 363.04 | T23464 | T34440 |
200 | 434.78 | T23465 | T34441 |
250 | 543.48 | T23466 | T34442 |
330 | 717.39 | T23467 | T34443 |
7. 115/230V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T34444 |
5 | 21.74/10.87 | - | T34445 |
7.5 | 32.61/16.3 | - | T34446 |
10 | 43.48/21.74 | T23471 | T34447 |
15 | 65.22/32.61 | T23472 | T34448 |
25 | 108.7/54.35 | T23473 | T34449 |
37.5 | 163.04/81.52 | T23474 | T34450 |
50 | 217.39/108.7 | T23475 | T34451 |
75 | 326.09/163.04 | T23476 | T34452 |
100 | 434.78/217.39 | T23477 | T34453 |
167 | 726.09/363.04 | T23478 | T34454 |
200 | 869.57/434.78 | T23479 | T34455 |
250 | 1086.96/543.48 | T23480 | T34456 |
330 | 1434.78/717.39 | T23481 | T34457 |
8. 115/230V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T34458 |
5 | 11.36 | - | T34459 |
7.5 | 17.05 | - | T34460 |
10 | 22.73 | T23485 | T34461 |
15 | 34.09 | T23486 | T34462 |
25 | 56.82 | T23487 | T34463 |
37.5 | 85.23 | T23488 | T34464 |
50 | 113.64 | T23489 | T34465 |
75 | 170.45 | T23490 | T34466 |
100 | 227.27 | T23491 | T34467 |
167 | 379.55 | T23492 | T34468 |
200 | 454.55 | T23493 | T34469 |
250 | 568.18 | T23494 | T34470 |
330 | 750 | T23495 | T34471 |
9. 115/230V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T34472 |
5 | 22.73/11.36 | - | T34473 |
7.5 | 34.09/17.05 | - | T34474 |
10 | 45.45/22.73 | T23499 | T34475 |
15 | 68.18/34.09 | T23500 | T34476 |
25 | 113.64/56.82 | T23501 | T34477 |
37.5 | 170.45/85.23 | T23502 | T34478 |
50 | 227.27/113.64 | T23503 | T34479 |
75 | 340.91/170.45 | T23504 | T34480 |
100 | 454.55/227.27 | T23505 | T34481 |
167 | 759.09/379.55 | T23506 | T34482 |
200 | 909.09/454.55 | T23507 | T34483 |
250 | 1136.36/568.18 | T23508 | T34484 |
330 | 1500/750 | T23509 | T34485 |
10. 115/230V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T34486 |
5 | 12.02 | - | T34487 |
7.5 | 18.03 | - | T34488 |
10 | 24.04 | T23513 | T34489 |
15 | 36.06 | T23514 | T34490 |
25 | 60.10 | T23515 | T34491 |
37.5 | 90.14 | T23516 | T34492 |
50 | 120.19 | T23517 | T34493 |
75 | 180.29 | T23518 | T34494 |
100 | 240.38 | T23519 | T34495 |
167 | 401.44 | T23520 | T34496 |
200 | 480.77 | T23521 | T34497 |
250 | 600.96 | T23522 | T34498 |
330 | 793.27 | T23523 | T34499 |
11. 115/230V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T34500 |
5 | 24.04/12.02 | - | T34501 |
7.5 | 36.06/18.03 | - | T34502 |
10 | 48.08/24.04 | T23527 | T34503 |
15 | 72.12/36.06 | T23528 | T34504 |
25 | 120.19/60.1 | T23529 | T34505 |
37.5 | 180.29/90.14 | T23530 | T34506 |
50 | 240.38/120.19 | T23531 | T34507 |
75 | 360.58/180.29 | T23532 | T34508 |
100 | 480.77/240.38 | T23533 | T34509 |
167 | 802.88/401.44 | T23534 | T34510 |
200 | 961.54/480.77 | T23535 | T34511 |
250 | 1201.92/600.96 | T23536 | T34512 |
330 | 1586.54/793.27 | T23537 | T34513 |
12. 115/230V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T34514 |
5 | 12.5 | - | T34515 |
7.5 | 18.75 | - | T34516 |
10 | 25 | T23541 | T34517 |
15 | 37.5 | T23542 | T34518 |
25 | 62.5 | T23543 | T34519 |
37.5 | 93.75 | T23544 | T34520 |
50 | 125 | T23545 | T34521 |
75 | 187.5 | T23546 | T34522 |
100 | 250 | T23547 | T34523 |
167 | 417.5 | T23548 | T34524 |
200 | 500 | T23549 | T34525 |
250 | 625 | T23550 | T34526 |
330 | 825 | T23551 | T34527 |
13. 115/230V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T34528 |
5 | 13.16 | - | T34529 |
7.5 | 19.74 | - | T34530 |
10 | 26.32 | T23555 | T34531 |
15 | 39.47 | T23556 | T34532 |
25 | 65.79 | T23557 | T34533 |
37.5 | 98.68 | T23558 | T34534 |
50 | 131.58 | T23559 | T34535 |
75 | 197.37 | T23560 | T34536 |
100 | 263.16 | T23561 | T34537 |
167 | 439.47 | T23562 | T34538 |
200 | 526.32 | T23563 | T34539 |
250 | 657.89 | T23564 | T34540 |
330 | 868.42 | T23565 | T34541 |
14. 115/230V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T34542 |
5 | 14.41 | - | T34543 |
7.5 | 21.61 | - | T34544 |
10 | 28.82 | T23569 | T34545 |
15 | 43.23 | T23570 | T34546 |
25 | 72.05 | T23571 | T34547 |
37.5 | 108.07 | T23572 | T34548 |
50 | 144.09 | T23573 | T34549 |
75 | 216.14 | T23574 | T34550 |
100 | 288.18 | T23575 | T34551 |
167 | 481.27 | T23576 | T34552 |
200 | 576.37 | T23577 | T34553 |
250 | 720.46 | T23578 | T34554 |
330 | 951.01 | T23579 | T34555 |
15. 115/230V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T34556 |
5 | 18.05 | - | T34557 |
7.5 | 27.08 | - | T34558 |
10 | 36.10 | T23583 | T34559 |
15 | 54.15 | T23584 | T34560 |
25 | 90.25 | T23585 | T34561 |
37.5 | 135.38 | T23586 | T34562 |
50 | 180.51 | T23587 | T34563 |
75 | 270.76 | T23588 | T34564 |
100 | 361.01 | T23589 | T34565 |
167 | 602.89 | T23590 | T34566 |
200 | 722.02 | T23591 | T34567 |
250 | 902.53 | T23592 | T34568 |
330 | 1191.34 | T23593 | T34569 |
16. 115/230V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T34570 |
5 | 20.83 | - | T34571 |
7.5 | 31.25 | - | T34572 |
10 | 41.67 | T23597 | T34573 |
15 | 62.5 | T23598 | T34574 |
25 | 104.17 | T23599 | T34575 |
37.5 | 156.25 | T23600 | T34576 |
50 | 208.33 | T23601 | T34577 |
75 | 312.5 | T23602 | T34578 |
100 | 416.67 | T23603 | T34579 |
167 | 695.83 | T23604 | T34580 |
200 | 833.33 | T23605 | T34581 |
250 | 1041.67 | T23606 | T34582 |
330 | 1375 | T23607 | T34583 |
17. 115/230V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T34584 |
5 | 41.67/20.83 | - | T34585 |
7.5 | 62.5/31.25 | - | T34586 |
10 | 83.33/41.67 | T23611 | T34587 |
15 | 125/62.5 | T23612 | T34588 |
25 | 208.33/104.17 | T23613 | T34589 |
37.5 | 312.5/156.25 | T23614 | T34590 |
50 | 416.67/208.33 | T23615 | T34591 |
75 | 625/312.5 | T23616 | T34592 |
100 | 833.33/416.67 | T23617 | T34593 |
167 | 1391.67/695.83 | T23618 | T34594 |
200 | 1666.67/833.33 | T23619 | T34595 |
250 | 2083.33/1041.67 | T23620 | T34596 |
330 | 2750/1375 | T23621 | T34597 |
18. 115/230V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T34598 |
5 | 21.74 | - | T34599 |
7.5 | 32.61 | - | T34600 |
10 | 43.48 | T23625 | T34601 |
15 | 65.22 | T23626 | T34602 |
25 | 108.70 | T23627 | T34603 |
37.5 | 163.04 | T23628 | T34604 |
50 | 217.39 | T23629 | T34605 |
75 | 326.09 | T23630 | T34606 |
100 | 434.78 | T23631 | T34607 |
167 | 726.09 | T23632 | T34608 |
200 | 869.57 | T23633 | T34609 |
250 | 1086.96 | T23634 | T34610 |
330 | 1434.78 | T23635 | T34611 |
19. 115/230V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T34612 |
5 | 43.48/21.74 | - | T34613 |
7.5 | 65.22/32.61 | - | T34614 |
10 | 86.96/43.48 | T23639 | T34615 |
15 | 130.43/65.22 | T23640 | T34616 |
25 | 217.39/108.7 | T23641 | T34617 |
37.5 | 326.09/163.04 | T23642 | T34618 |
50 | 434.78/217.39 | T23643 | T34619 |
75 | 652.17/326.09 | T23644 | T34620 |
100 | 869.57/434.78 | T23645 | T34621 |
167 | 1452.17/726.09 | T23646 | T34622 |
200 | 1739.13/869.57 | T23647 | T34623 |
250 | 2173.91/1086.96 | T23648 | T34624 |
330 | 2869.57/1434.78 | T23649 | T34625 |
20. 115/230V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T34626 |
5 | 22.73 | - | T34627 |
7.5 | 34.09 | - | T34628 |
10 | 45.45 | T23653 | T34629 |
15 | 68.18 | T23654 | T34630 |
25 | 113.64 | T23655 | T34631 |
37.5 | 170.45 | T23656 | T34632 |
50 | 227.27 | T23657 | T34633 |
75 | 340.91 | T23658 | T34634 |
100 | 454.55 | T23659 | T34635 |
167 | 759.09 | T23660 | T34636 |
200 | 909.09 | T23661 | T34637 |
250 | 1136.36 | T23662 | T34638 |
330 | 1500 | T23663 | T34639 |
21. 115/230V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T34640 |
5 | 45.45/22.73 | - | T34641 |
7.5 | 68.18/34.09 | - | T34642 |
10 | 90.91/45.45 | T23667 | T34643 |
15 | 136.36/68.18 | T23668 | T34644 |
25 | 227.27/113.64 | T23669 | T34645 |
37.5 | 340.91/170.45 | T23670 | T34646 |
50 | 454.55/227.27 | T23671 | T34647 |
75 | 681.82/340.91 | T23672 | T34648 |
100 | 909.09/454.55 | T23673 | T34649 |
167 | 1518.18/759.09 | T23674 | T34650 |
200 | 1818.18/909.09 | T23675 | T34651 |
250 | 2272.73/1136.36 | T23676 | T34652 |
330 | 3000/1500 | T23677 | T34653 |
22. 115/230V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T34654 |
5 | 24.04 | - | T34655 |
7.5 | 36.06 | - | T34656 |
10 | 48.08 | T23681 | T34657 |
15 | 72.12 | T23682 | T34658 |
25 | 120.19 | T23683 | T34659 |
37.5 | 180.29 | T23684 | T34660 |
50 | 240.38 | T23685 | T34661 |
75 | 360.58 | T23686 | T34662 |
100 | 480.77 | T23687 | T34663 |
167 | 802.88 | T23688 | T34664 |
200 | 961.54 | T23689 | T34665 |
250 | 1201.92 | T23690 | T34666 |
330 | 1586.54 | T23691 | T34667 |
23. 115/230V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T34668 |
5 | 25 | - | T34669 |
7.5 | 37.5 | - | T34670 |
10 | 50 | T23695 | T34671 |
15 | 75 | T23696 | T34672 |
25 | 125 | T23697 | T34673 |
37.5 | 187.5 | T23698 | T34674 |
50 | 250 | T23699 | T34675 |
75 | 375 | T23700 | T34676 |
100 | 500 | T23701 | T34677 |
167 | 835 | T23702 | T34678 |
200 | 1000 | T23703 | T34679 |
250 | 1250 | T23704 | T34680 |
330 | 1650 | T23705 | T34681 |
24. 115/230V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T34682 |
5 | 26.32 | - | T34683 |
7.5 | 39.47 | - | T34684 |
10 | 52.63 | T23709 | T34685 |
15 | 78.95 | T23710 | T34686 |
25 | 131.58 | T23711 | T34687 |
37.5 | 197.37 | T23712 | T34688 |
50 | 263.16 | T23713 | T34689 |
75 | 394.74 | T23714 | T34690 |
100 | 526.32 | T23715 | T34691 |
167 | 878.95 | T23716 | T34692 |
200 | 1052.63 | T23717 | T34693 |
250 | 1315.79 | T23718 | T34694 |
330 | 1736.84 | T23719 | T34695 |
25. 115/230V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T34696 |
5 | 41.67 | - | T34697 |
7.5 | 62.5 | - | T34698 |
10 | 83.33 | T23723 | T34699 |
15 | 125 | T23724 | T34700 |
25 | 208.33 | T23725 | T34701 |
37.5 | 312.5 | T23726 | T34702 |
50 | 416.67 | T23727 | T34703 |
75 | 625 | T23728 | T34704 |
100 | 833.33 | T23729 | T34705 |
167 | 1391.67 | T23730 | T34706 |
200 | 1666.67 | T23731 | T34707 |
250 | 2083.33 | T23732 | T34708 |
330 | 2750 | T23733 | T34709 |
26. 115/230V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T34710 |
5 | 43.48 | - | T34711 |
7.5 | 65.22 | - | T34712 |
10 | 86.96 | T23737 | T34713 |
15 | 130.43 | T23738 | T34714 |
25 | 217.39 | T23739 | T34715 |
37.5 | 326.09 | T23740 | T34716 |
50 | 434.78 | T23741 | T34717 |
75 | 652.17 | T23742 | T34718 |
100 | 869.57 | T23743 | T34719 |
167 | 1452.17 | T23744 | T34720 |
200 | 1739.13 | T23745 | T34721 |
250 | 2173.91 | T23746 | T34722 |
330 | 2869.57 | T23747 | T34723 |
27. 115/230V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T34724 |
5 | 45.45 | - | T34725 |
7.5 | 68.18 | - | T34726 |
10 | 90.91 | T23751 | T34727 |
15 | 136.36 | T23752 | T34728 |
25 | 227.27 | T23753 | T34729 |
37.5 | 340.91 | T23754 | T34730 |
50 | 454.55 | T23755 | T34731 |
75 | 681.82 | T23756 | T34732 |
100 | 909.09 | T23757 | T34733 |
167 | 1518.18 | T23758 | T34734 |
200 | 1818.18 | T23759 | T34735 |
250 | 2272.73 | T23760 | T34736 |
330 | 3000 | T23761 | T34737 |
28. 115/230V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T34738 |
5 | 50 | - | T34739 |
7.5 | 75 | - | T34740 |
10 | 100 | T23765 | T34741 |
15 | 150 | T23766 | T34742 |
25 | 250 | T23767 | T34743 |
37.5 | 375 | T23768 | T34744 |
50 | 500 | T23769 | T34745 |
75 | 750 | T23770 | T34746 |
100 | 1000 | T23771 | T34747 |
167 | 1670 | T23772 | T34748 |
200 | 2000 | T23773 | T34749 |
250 | 2500 | T23774 | T34750 |
330 | 3300 | T23775 | T34751 |