K. 208/416 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. 208/416V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T31224 |
5 | 8.33 | - | T31225 |
7.5 | 12.5 | - | T31226 |
10 | 16.67 | T20251 | T31227 |
15 | 25 | T20252 | T31228 |
25 | 41.67 | T20253 | T31229 |
37.5 | 62.5 | T20254 | T31230 |
50 | 83.33 | T20255 | T31231 |
75 | 125 | T20256 | T31232 |
100 | 166.67 | T20257 | T31233 |
167 | 278.33 | T20258 | T31234 |
200 | 333.33 | T20259 | T31235 |
250 | 416.67 | T20260 | T31236 |
330 | 550 | T20261 | T31237 |
2. 208/416V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T31238 |
5 | 8.70 | - | T31239 |
7.5 | 13.04 | - | T31240 |
10 | 17.39 | T20265 | T31241 |
15 | 26.09 | T20266 | T31242 |
25 | 43.48 | T20267 | T31243 |
37.5 | 65.22 | T20268 | T31244 |
50 | 86.96 | T20269 | T31245 |
75 | 130.43 | T20270 | T31246 |
100 | 173.91 | T20271 | T31247 |
167 | 290.43 | T20272 | T31248 |
200 | 347.83 | T20273 | T31249 |
250 | 434.78 | T20274 | T31250 |
330 | 573.91 | T20275 | T31251 |
3. 208/416V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T31252 |
5 | 9.09 | - | T31253 |
7.5 | 13.64 | - | T31254 |
10 | 18.18 | T20279 | T31255 |
15 | 27.27 | T20280 | T31256 |
25 | 45.45 | T20281 | T31257 |
37.5 | 68.18 | T20282 | T31258 |
50 | 90.91 | T20283 | T31259 |
75 | 136.36 | T20284 | T31260 |
100 | 181.82 | T20285 | T31261 |
167 | 303.64 | T20286 | T31262 |
200 | 363.64 | T20287 | T31263 |
250 | 454.55 | T20288 | T31264 |
330 | 600 | T20289 | T31265 |
4. 208/416V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T31266 |
5 | 10.42 | - | T31267 |
7.5 | 15.63 | - | T31268 |
10 | 20.83 | T20293 | T31269 |
15 | 31.25 | T20294 | T31270 |
25 | 52.08 | T20295 | T31271 |
37.5 | 78.13 | T20296 | T31272 |
50 | 104.17 | T20297 | T31273 |
75 | 156.25 | T20298 | T31274 |
100 | 208.33 | T20299 | T31275 |
167 | 347.92 | T20300 | T31276 |
200 | 416.67 | T20301 | T31277 |
250 | 520.83 | T20302 | T31278 |
330 | 687.50 | T20303 | T31279 |
5. 208/416V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T31280 |
5 | 20.83/10.42 | - | T31281 |
7.5 | 31.25/15.63 | - | T31282 |
10 | 41.67/20.83 | T20307 | T31283 |
15 | 62.5/31.25 | T20308 | T31284 |
25 | 104.17/52.08 | T20309 | T31285 |
37.5 | 156.25/78.13 | T20310 | T31286 |
50 | 208.33/104.17 | T20311 | T31287 |
75 | 312.5/156.25 | T20312 | T31288 |
100 | 416.67/208.33 | T20313 | T31289 |
167 | 695.83/347.92 | T20314 | T31290 |
200 | 833.33/416.67 | T20315 | T31291 |
250 | 1041.67/520.83 | T20316 | T31292 |
330 | 1375/687.5 | T20317 | T31293 |
6. 208/416V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T31294 |
5 | 10.87 | - | T31295 |
7.5 | 16.30 | - | T31296 |
10 | 21.74 | T20321 | T31297 |
15 | 32.61 | T20322 | T31298 |
25 | 54.35 | T20323 | T31299 |
37.5 | 81.52 | T20324 | T31300 |
50 | 108.70 | T20325 | T31301 |
75 | 163.04 | T20326 | T31302 |
100 | 217.39 | T20327 | T31303 |
167 | 363.04 | T20328 | T31304 |
200 | 434.78 | T20329 | T31305 |
250 | 543.48 | T20330 | T31306 |
330 | 717.39 | T20331 | T31307 |
7. 208/416V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T31308 |
5 | 21.74/10.87 | - | T31309 |
7.5 | 32.61/16.3 | - | T31310 |
10 | 43.48/21.74 | T20335 | T31311 |
15 | 65.22/32.61 | T20336 | T31312 |
25 | 108.7/54.35 | T20337 | T31313 |
37.5 | 163.04/81.52 | T20338 | T31314 |
50 | 217.39/108.7 | T20339 | T31315 |
75 | 326.09/163.04 | T20340 | T31316 |
100 | 434.78/217.39 | T20341 | T31317 |
167 | 726.09/363.04 | T20342 | T31318 |
200 | 869.57/434.78 | T20343 | T31319 |
250 | 1086.96/543.48 | T20344 | T31320 |
330 | 1434.78/717.39 | T20345 | T31321 |
8. 208/416V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T31322 |
5 | 11.36 | - | T31323 |
7.5 | 17.05 | - | T31324 |
10 | 22.73 | T20349 | T31325 |
15 | 34.09 | T20350 | T31326 |
25 | 56.82 | T20351 | T31327 |
37.5 | 85.23 | T20352 | T31328 |
50 | 113.64 | T20353 | T31329 |
75 | 170.45 | T20354 | T31330 |
100 | 227.27 | T20355 | T31331 |
167 | 379.55 | T20356 | T31332 |
200 | 454.55 | T20357 | T31333 |
250 | 568.18 | T20358 | T31334 |
330 | 750 | T20359 | T31335 |
9. 208/416V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T31336 |
5 | 22.73/11.36 | - | T31337 |
7.5 | 34.09/17.05 | - | T31338 |
10 | 45.45/22.73 | T20363 | T31339 |
15 | 68.18/34.09 | T20364 | T31340 |
25 | 113.64/56.82 | T20365 | T31341 |
37.5 | 170.45/85.23 | T20366 | T31342 |
50 | 227.27/113.64 | T20367 | T31343 |
75 | 340.91/170.45 | T20368 | T31344 |
100 | 454.55/227.27 | T20369 | T31345 |
167 | 759.09/379.55 | T20370 | T31346 |
200 | 909.09/454.55 | T20371 | T31347 |
250 | 1136.36/568.18 | T20372 | T31348 |
330 | 1500/750 | T20373 | T31349 |
10. 208/416V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T31350 |
5 | 12.02 | - | T31351 |
7.5 | 18.03 | - | T31352 |
10 | 24.04 | T20377 | T31353 |
15 | 36.06 | T20378 | T31354 |
25 | 60.10 | T20379 | T31355 |
37.5 | 90.14 | T20380 | T31356 |
50 | 120.19 | T20381 | T31357 |
75 | 180.29 | T20382 | T31358 |
100 | 240.38 | T20383 | T31359 |
167 | 401.44 | T20384 | T31360 |
200 | 480.77 | T20385 | T31361 |
250 | 600.96 | T20386 | T31362 |
330 | 793.27 | T20387 | T31363 |
11. 208/416V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T31364 |
5 | 24.04/12.02 | - | T31365 |
7.5 | 36.06/18.03 | - | T31366 |
10 | 48.08/24.04 | T20391 | T31367 |
15 | 72.12/36.06 | T20392 | T31368 |
25 | 120.19/60.1 | T20393 | T31369 |
37.5 | 180.29/90.14 | T20394 | T31370 |
50 | 240.38/120.19 | T20395 | T31371 |
75 | 360.58/180.29 | T20396 | T31372 |
100 | 480.77/240.38 | T20397 | T31373 |
167 | 802.88/401.44 | T20398 | T31374 |
200 | 961.54/480.77 | T20399 | T31375 |
250 | 1201.92/600.96 | T20400 | T31376 |
330 | 1586.54/793.27 | T20401 | T31377 |
12. 208/416V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T31378 |
5 | 12.5 | - | T31379 |
7.5 | 18.75 | - | T31380 |
10 | 25 | T20405 | T31381 |
15 | 37.5 | T20406 | T31382 |
25 | 62.5 | T20407 | T31383 |
37.5 | 93.75 | T20408 | T31384 |
50 | 125 | T20409 | T31385 |
75 | 187.5 | T20410 | T31386 |
100 | 250 | T20411 | T31387 |
167 | 417.5 | T20412 | T31388 |
200 | 500 | T20413 | T31389 |
250 | 625 | T20414 | T31390 |
330 | 825 | T20415 | T31391 |
13. 208/416V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T31392 |
5 | 13.16 | - | T31393 |
7.5 | 19.74 | - | T31394 |
10 | 26.32 | T20419 | T31395 |
15 | 39.47 | T20420 | T31396 |
25 | 65.79 | T20421 | T31397 |
37.5 | 98.68 | T20422 | T31398 |
50 | 131.58 | T20423 | T31399 |
75 | 197.37 | T20424 | T31400 |
100 | 263.16 | T20425 | T31401 |
167 | 439.47 | T20426 | T31402 |
200 | 526.32 | T20427 | T31403 |
250 | 657.89 | T20428 | T31404 |
330 | 868.42 | T20429 | T31405 |
14. 208/416V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T31406 |
5 | 14.41 | - | T31407 |
7.5 | 21.61 | - | T31408 |
10 | 28.82 | T20433 | T31409 |
15 | 43.23 | T20434 | T31410 |
25 | 72.05 | T20435 | T31411 |
37.5 | 108.07 | T20436 | T31412 |
50 | 144.09 | T20437 | T31413 |
75 | 216.14 | T20438 | T31414 |
100 | 288.18 | T20439 | T31415 |
167 | 481.27 | T20440 | T31416 |
200 | 576.37 | T20441 | T31417 |
250 | 720.46 | T20442 | T31418 |
330 | 951.01 | T20443 | T31419 |
15. 208/416V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T31420 |
5 | 18.05 | - | T31421 |
7.5 | 27.08 | - | T31422 |
10 | 36.10 | T20447 | T31423 |
15 | 54.15 | T20448 | T31424 |
25 | 90.25 | T20449 | T31425 |
37.5 | 135.38 | T20450 | T31426 |
50 | 180.51 | T20451 | T31427 |
75 | 270.76 | T20452 | T31428 |
100 | 361.01 | T20453 | T31429 |
167 | 602.89 | T20454 | T31430 |
200 | 722.02 | T20455 | T31431 |
250 | 902.53 | T20456 | T31432 |
330 | 1191.34 | T20457 | T31433 |
16. 208/416V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T31434 |
5 | 20.83 | - | T31435 |
7.5 | 31.25 | - | T31436 |
10 | 41.67 | T20461 | T31437 |
15 | 62.5 | T20462 | T31438 |
25 | 104.17 | T20463 | T31439 |
37.5 | 156.25 | T20464 | T31440 |
50 | 208.33 | T20465 | T31441 |
75 | 312.5 | T20466 | T31442 |
100 | 416.67 | T20467 | T31443 |
167 | 695.83 | T20468 | T31444 |
200 | 833.33 | T20469 | T31445 |
250 | 1041.67 | T20470 | T31446 |
330 | 1375 | T20471 | T31447 |
17. 208/416V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T31448 |
5 | 41.67/20.83 | - | T31449 |
7.5 | 62.5/31.25 | - | T31450 |
10 | 83.33/41.67 | T20475 | T31451 |
15 | 125/62.5 | T20476 | T31452 |
25 | 208.33/104.17 | T20477 | T31453 |
37.5 | 312.5/156.25 | T20478 | T31454 |
50 | 416.67/208.33 | T20479 | T31455 |
75 | 625/312.5 | T20480 | T31456 |
100 | 833.33/416.67 | T20481 | T31457 |
167 | 1391.67/695.83 | T20482 | T31458 |
200 | 1666.67/833.33 | T20483 | T31459 |
250 | 2083.33/1041.67 | T20484 | T31460 |
330 | 2750/1375 | T20485 | T31461 |
18. 208/416V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T31462 |
5 | 21.74 | - | T31463 |
7.5 | 32.61 | - | T31464 |
10 | 43.48 | T20489 | T31465 |
15 | 65.22 | T20490 | T31466 |
25 | 108.70 | T20491 | T31467 |
37.5 | 163.04 | T20492 | T31468 |
50 | 217.39 | T20493 | T31469 |
75 | 326.09 | T20494 | T31470 |
100 | 434.78 | T20495 | T31471 |
167 | 726.09 | T20496 | T31472 |
200 | 869.57 | T20497 | T31473 |
250 | 1086.96 | T20498 | T31474 |
330 | 1434.78 | T20499 | T31475 |
19. 208/416V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T31476 |
5 | 43.48/21.74 | - | T31477 |
7.5 | 65.22/32.61 | - | T31478 |
10 | 86.96/43.48 | T20503 | T31479 |
15 | 130.43/65.22 | T20504 | T31480 |
25 | 217.39/108.7 | T20505 | T31481 |
37.5 | 326.09/163.04 | T20506 | T31482 |
50 | 434.78/217.39 | T20507 | T31483 |
75 | 652.17/326.09 | T20508 | T31484 |
100 | 869.57/434.78 | T20509 | T31485 |
167 | 1452.17/726.09 | T20510 | T31486 |
200 | 1739.13/869.57 | T20511 | T31487 |
250 | 2173.91/1086.96 | T20512 | T31488 |
330 | 2869.57/1434.78 | T20513 | T31489 |
20. 208/416V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T31490 |
5 | 22.73 | - | T31491 |
7.5 | 34.09 | - | T31492 |
10 | 45.45 | T20517 | T31493 |
15 | 68.18 | T20518 | T31494 |
25 | 113.64 | T20519 | T31495 |
37.5 | 170.45 | T20520 | T31496 |
50 | 227.27 | T20521 | T31497 |
75 | 340.91 | T20522 | T31498 |
100 | 454.55 | T20523 | T31499 |
167 | 759.09 | T20524 | T31500 |
200 | 909.09 | T20525 | T31501 |
250 | 1136.36 | T20526 | T31502 |
330 | 1500 | T20527 | T31503 |
21. 208/416V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T31504 |
5 | 45.45/22.73 | - | T31505 |
7.5 | 68.18/34.09 | - | T31506 |
10 | 90.91/45.45 | T20531 | T31507 |
15 | 136.36/68.18 | T20532 | T31508 |
25 | 227.27/113.64 | T20533 | T31509 |
37.5 | 340.91/170.45 | T20534 | T31510 |
50 | 454.55/227.27 | T20535 | T31511 |
75 | 681.82/340.91 | T20536 | T31512 |
100 | 909.09/454.55 | T20537 | T31513 |
167 | 1518.18/759.09 | T20538 | T31514 |
200 | 1818.18/909.09 | T20539 | T31515 |
250 | 2272.73/1136.36 | T20540 | T31516 |
330 | 3000/1500 | T20541 | T31517 |
22. 208/416V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T31518 |
5 | 24.04 | - | T31519 |
7.5 | 36.06 | - | T31520 |
10 | 48.08 | T20545 | T31521 |
15 | 72.12 | T20546 | T31522 |
25 | 120.19 | T20547 | T31523 |
37.5 | 180.29 | T20548 | T31524 |
50 | 240.38 | T20549 | T31525 |
75 | 360.58 | T20550 | T31526 |
100 | 480.77 | T20551 | T31527 |
167 | 802.88 | T20552 | T31528 |
200 | 961.54 | T20553 | T31529 |
250 | 1201.92 | T20554 | T31530 |
330 | 1586.54 | T20555 | T31531 |
23. 208/416V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T31532 |
5 | 25 | - | T31533 |
7.5 | 37.5 | - | T31534 |
10 | 50 | T20559 | T31535 |
15 | 75 | T20560 | T31536 |
25 | 125 | T20561 | T31537 |
37.5 | 187.5 | T20562 | T31538 |
50 | 250 | T20563 | T31539 |
75 | 375 | T20564 | T31540 |
100 | 500 | T20565 | T31541 |
167 | 835 | T20566 | T31542 |
200 | 1000 | T20567 | T31543 |
250 | 1250 | T20568 | T31544 |
330 | 1650 | T20569 | T31545 |
24. 208/416V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T31546 |
5 | 26.32 | - | T31547 |
7.5 | 39.47 | - | T31548 |
10 | 52.63 | T20573 | T31549 |
15 | 78.95 | T20574 | T31550 |
25 | 131.58 | T20575 | T31551 |
37.5 | 197.37 | T20576 | T31552 |
50 | 263.16 | T20577 | T31553 |
75 | 394.74 | T20578 | T31554 |
100 | 526.32 | T20579 | T31555 |
167 | 878.95 | T20580 | T31556 |
200 | 1052.63 | T20581 | T31557 |
250 | 1315.79 | T20582 | T31558 |
330 | 1736.84 | T20583 | T31559 |
25. 208/416V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T31560 |
5 | 41.67 | - | T31561 |
7.5 | 62.5 | - | T31562 |
10 | 83.33 | T20587 | T31563 |
15 | 125 | T20588 | T31564 |
25 | 208.33 | T20589 | T31565 |
37.5 | 312.5 | T20590 | T31566 |
50 | 416.67 | T20591 | T31567 |
75 | 625 | T20592 | T31568 |
100 | 833.33 | T20593 | T31569 |
167 | 1391.67 | T20594 | T31570 |
200 | 1666.67 | T20595 | T31571 |
250 | 2083.33 | T20596 | T31572 |
330 | 2750 | T20597 | T31573 |
26. 208/416V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T31574 |
5 | 43.48 | - | T31575 |
7.5 | 65.22 | - | T31576 |
10 | 86.96 | T20601 | T31577 |
15 | 130.43 | T20602 | T31578 |
25 | 217.39 | T20603 | T31579 |
37.5 | 326.09 | T20604 | T31580 |
50 | 434.78 | T20605 | T31581 |
75 | 652.17 | T20606 | T31582 |
100 | 869.57 | T20607 | T31583 |
167 | 1452.17 | T20608 | T31584 |
200 | 1739.13 | T20609 | T31585 |
250 | 2173.91 | T20610 | T31586 |
330 | 2869.57 | T20611 | T31587 |
27. 208/416V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T31588 |
5 | 45.45 | - | T31589 |
7.5 | 68.18 | - | T31590 |
10 | 90.91 | T20615 | T31591 |
15 | 136.36 | T20616 | T31592 |
25 | 227.27 | T20617 | T31593 |
37.5 | 340.91 | T20618 | T31594 |
50 | 454.55 | T20619 | T31595 |
75 | 681.82 | T20620 | T31596 |
100 | 909.09 | T20621 | T31597 |
167 | 1518.18 | T20622 | T31598 |
200 | 1818.18 | T20623 | T31599 |
250 | 2272.73 | T20624 | T31600 |
330 | 3000 | T20625 | T31601 |
28. 208/416V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T31602 |
5 | 50 | - | T31603 |
7.5 | 75 | - | T31604 |
10 | 100 | T20629 | T31605 |
15 | 150 | T20630 | T31606 |
25 | 250 | T20631 | T31607 |
37.5 | 375 | T20632 | T31608 |
50 | 500 | T20633 | T31609 |
75 | 750 | T20634 | T31610 |
100 | 1000 | T20635 | T31611 |
167 | 1670 | T20636 | T31612 |
200 | 2000 | T20637 | T31613 |
250 | 2500 | T20638 | T31614 |
330 | 3300 | T20639 | T31615 |