U. 110/220 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. 110/220V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T35144 |
5 | 8.33 | - | T35145 |
7.5 | 12.5 | - | T35146 |
10 | 16.67 | T24171 | T35147 |
15 | 25 | T24172 | T35148 |
25 | 41.67 | T24173 | T35149 |
37.5 | 62.5 | T24174 | T35150 |
50 | 83.33 | T24175 | T35151 |
75 | 125 | T24176 | T35152 |
100 | 166.67 | T24177 | T35153 |
167 | 278.33 | T24178 | T35154 |
200 | 333.33 | T24179 | T35155 |
250 | 416.67 | T24180 | T35156 |
330 | 550 | T24181 | T35157 |
2. 110/220V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T35158 |
5 | 8.70 | - | T35159 |
7.5 | 13.04 | - | T35160 |
10 | 17.39 | T24185 | T35161 |
15 | 26.09 | T24186 | T35162 |
25 | 43.48 | T24187 | T35163 |
37.5 | 65.22 | T24188 | T35164 |
50 | 86.96 | T24189 | T35165 |
75 | 130.43 | T24190 | T35166 |
100 | 173.91 | T24191 | T35167 |
167 | 290.43 | T24192 | T35168 |
200 | 347.83 | T24193 | T35169 |
250 | 434.78 | T24194 | T35170 |
330 | 573.91 | T24195 | T35171 |
3. 110/220V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T35172 |
5 | 9.09 | - | T35173 |
7.5 | 13.64 | - | T35174 |
10 | 18.18 | T24199 | T35175 |
15 | 27.27 | T24200 | T35176 |
25 | 45.45 | T24201 | T35177 |
37.5 | 68.18 | T24202 | T35178 |
50 | 90.91 | T24203 | T35179 |
75 | 136.36 | T24204 | T35180 |
100 | 181.82 | T24205 | T35181 |
167 | 303.64 | T24206 | T35182 |
200 | 363.64 | T24207 | T35183 |
250 | 454.55 | T24208 | T35184 |
330 | 600 | T24209 | T35185 |
4. 110/220V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T35186 |
5 | 10.42 | - | T35187 |
7.5 | 15.63 | - | T35188 |
10 | 20.83 | T24213 | T35189 |
15 | 31.25 | T24214 | T35190 |
25 | 52.08 | T24215 | T35191 |
37.5 | 78.13 | T24216 | T35192 |
50 | 104.17 | T24217 | T35193 |
75 | 156.25 | T24218 | T35194 |
100 | 208.33 | T24219 | T35195 |
167 | 347.92 | T24220 | T35196 |
200 | 416.67 | T24221 | T35197 |
250 | 520.83 | T24222 | T35198 |
330 | 687.50 | T24223 | T35199 |
5. 110/220V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T35200 |
5 | 20.83/10.42 | - | T35201 |
7.5 | 31.25/15.63 | - | T35202 |
10 | 41.67/20.83 | T24227 | T35203 |
15 | 62.5/31.25 | T24228 | T35204 |
25 | 104.17/52.08 | T24229 | T35205 |
37.5 | 156.25/78.13 | T24230 | T35206 |
50 | 208.33/104.17 | T24231 | T35207 |
75 | 312.5/156.25 | T24232 | T35208 |
100 | 416.67/208.33 | T24233 | T35209 |
167 | 695.83/347.92 | T24234 | T35210 |
200 | 833.33/416.67 | T24235 | T35211 |
250 | 1041.67/520.83 | T24236 | T35212 |
330 | 1375/687.5 | T24237 | T35213 |
6. 110/220V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T35214 |
5 | 10.87 | - | T35215 |
7.5 | 16.30 | - | T35216 |
10 | 21.74 | T24241 | T35217 |
15 | 32.61 | T24242 | T35218 |
25 | 54.35 | T24243 | T35219 |
37.5 | 81.52 | T24244 | T35220 |
50 | 108.70 | T24245 | T35221 |
75 | 163.04 | T24246 | T35222 |
100 | 217.39 | T24247 | T35223 |
167 | 363.04 | T24248 | T35224 |
200 | 434.78 | T24249 | T35225 |
250 | 543.48 | T24250 | T35226 |
330 | 717.39 | T24251 | T35227 |
7. 110/220V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T35228 |
5 | 21.74/10.87 | - | T35229 |
7.5 | 32.61/16.3 | - | T35230 |
10 | 43.48/21.74 | T24255 | T35231 |
15 | 65.22/32.61 | T24256 | T35232 |
25 | 108.7/54.35 | T24257 | T35233 |
37.5 | 163.04/81.52 | T24258 | T35234 |
50 | 217.39/108.7 | T24259 | T35235 |
75 | 326.09/163.04 | T24260 | T35236 |
100 | 434.78/217.39 | T24261 | T35237 |
167 | 726.09/363.04 | T24262 | T35238 |
200 | 869.57/434.78 | T24263 | T35239 |
250 | 1086.96/543.48 | T24264 | T35240 |
330 | 1434.78/717.39 | T24265 | T35241 |
8. 110/220V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T35242 |
5 | 11.36 | - | T35243 |
7.5 | 17.05 | - | T35244 |
10 | 22.73 | T24269 | T35245 |
15 | 34.09 | T24270 | T35246 |
25 | 56.82 | T24271 | T35247 |
37.5 | 85.23 | T24272 | T35248 |
50 | 113.64 | T24273 | T35249 |
75 | 170.45 | T24274 | T35250 |
100 | 227.27 | T24275 | T35251 |
167 | 379.55 | T24276 | T35252 |
200 | 454.55 | T24277 | T35253 |
250 | 568.18 | T24278 | T35254 |
330 | 750 | T24279 | T35255 |
9. 110/220V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T35256 |
5 | 22.73/11.36 | - | T35257 |
7.5 | 34.09/17.05 | - | T35258 |
10 | 45.45/22.73 | T24283 | T35259 |
15 | 68.18/34.09 | T24284 | T35260 |
25 | 113.64/56.82 | T24285 | T35261 |
37.5 | 170.45/85.23 | T24286 | T35262 |
50 | 227.27/113.64 | T24287 | T35263 |
75 | 340.91/170.45 | T24288 | T35264 |
100 | 454.55/227.27 | T24289 | T35265 |
167 | 759.09/379.55 | T24290 | T35266 |
200 | 909.09/454.55 | T24291 | T35267 |
250 | 1136.36/568.18 | T24292 | T35268 |
330 | 1500/750 | T24293 | T35269 |
10. 110/220V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T35270 |
5 | 12.02 | - | T35271 |
7.5 | 18.03 | - | T35272 |
10 | 24.04 | T24297 | T35273 |
15 | 36.06 | T24298 | T35274 |
25 | 60.10 | T24299 | T35275 |
37.5 | 90.14 | T24300 | T35276 |
50 | 120.19 | T24301 | T35277 |
75 | 180.29 | T24302 | T35278 |
100 | 240.38 | T24303 | T35279 |
167 | 401.44 | T24304 | T35280 |
200 | 480.77 | T24305 | T35281 |
250 | 600.96 | T24306 | T35282 |
330 | 793.27 | T24307 | T35283 |
11. 110/220V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T35284 |
5 | 24.04/12.02 | - | T35285 |
7.5 | 36.06/18.03 | - | T35286 |
10 | 48.08/24.04 | T24311 | T35287 |
15 | 72.12/36.06 | T24312 | T35288 |
25 | 120.19/60.1 | T24313 | T35289 |
37.5 | 180.29/90.14 | T24314 | T35290 |
50 | 240.38/120.19 | T24315 | T35291 |
75 | 360.58/180.29 | T24316 | T35292 |
100 | 480.77/240.38 | T24317 | T35293 |
167 | 802.88/401.44 | T24318 | T35294 |
200 | 961.54/480.77 | T24319 | T35295 |
250 | 1201.92/600.96 | T24320 | T35296 |
330 | 1586.54/793.27 | T24321 | T35297 |
12. 110/220V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T35298 |
5 | 12.5 | - | T35299 |
7.5 | 18.75 | - | T35300 |
10 | 25 | T24325 | T35301 |
15 | 37.5 | T24326 | T35302 |
25 | 62.5 | T24327 | T35303 |
37.5 | 93.75 | T24328 | T35304 |
50 | 125 | T24329 | T35305 |
75 | 187.5 | T24330 | T35306 |
100 | 250 | T24331 | T35307 |
167 | 417.5 | T24332 | T35308 |
200 | 500 | T24333 | T35309 |
250 | 625 | T24334 | T35310 |
330 | 825 | T24335 | T35311 |
13. 110/220V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T35312 |
5 | 13.16 | - | T35313 |
7.5 | 19.74 | - | T35314 |
10 | 26.32 | T24339 | T35315 |
15 | 39.47 | T24340 | T35316 |
25 | 65.79 | T24341 | T35317 |
37.5 | 98.68 | T24342 | T35318 |
50 | 131.58 | T24343 | T35319 |
75 | 197.37 | T24344 | T35320 |
100 | 263.16 | T24345 | T35321 |
167 | 439.47 | T24346 | T35322 |
200 | 526.32 | T24347 | T35323 |
250 | 657.89 | T24348 | T35324 |
330 | 868.42 | T24349 | T35325 |
14. 110/220V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T35326 |
5 | 14.41 | - | T35327 |
7.5 | 21.61 | - | T35328 |
10 | 28.82 | T24353 | T35329 |
15 | 43.23 | T24354 | T35330 |
25 | 72.05 | T24355 | T35331 |
37.5 | 108.07 | T24356 | T35332 |
50 | 144.09 | T24357 | T35333 |
75 | 216.14 | T24358 | T35334 |
100 | 288.18 | T24359 | T35335 |
167 | 481.27 | T24360 | T35336 |
200 | 576.37 | T24361 | T35337 |
250 | 720.46 | T24362 | T35338 |
330 | 951.01 | T24363 | T35339 |
15. 110/220V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T35340 |
5 | 18.05 | - | T35341 |
7.5 | 27.08 | - | T35342 |
10 | 36.10 | T24367 | T35343 |
15 | 54.15 | T24368 | T35344 |
25 | 90.25 | T24369 | T35345 |
37.5 | 135.38 | T24370 | T35346 |
50 | 180.51 | T24371 | T35347 |
75 | 270.76 | T24372 | T35348 |
100 | 361.01 | T24373 | T35349 |
167 | 602.89 | T24374 | T35350 |
200 | 722.02 | T24375 | T35351 |
250 | 902.53 | T24376 | T35352 |
330 | 1191.34 | T24377 | T35353 |
16. 110/220V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T35354 |
5 | 20.83 | - | T35355 |
7.5 | 31.25 | - | T35356 |
10 | 41.67 | T24381 | T35357 |
15 | 62.5 | T24382 | T35358 |
25 | 104.17 | T24383 | T35359 |
37.5 | 156.25 | T24384 | T35360 |
50 | 208.33 | T24385 | T35361 |
75 | 312.5 | T24386 | T35362 |
100 | 416.67 | T24387 | T35363 |
167 | 695.83 | T24388 | T35364 |
200 | 833.33 | T24389 | T35365 |
250 | 1041.67 | T24390 | T35366 |
330 | 1375 | T24391 | T35367 |
17. 110/220V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T35368 |
5 | 41.67/20.83 | - | T35369 |
7.5 | 62.5/31.25 | - | T35370 |
10 | 83.33/41.67 | T24395 | T35371 |
15 | 125/62.5 | T24396 | T35372 |
25 | 208.33/104.17 | T24397 | T35373 |
37.5 | 312.5/156.25 | T24398 | T35374 |
50 | 416.67/208.33 | T24399 | T35375 |
75 | 625/312.5 | T24400 | T35376 |
100 | 833.33/416.67 | T24401 | T35377 |
167 | 1391.67/695.83 | T24402 | T35378 |
200 | 1666.67/833.33 | T24403 | T35379 |
250 | 2083.33/1041.67 | T24404 | T35380 |
330 | 2750/1375 | T24405 | T35381 |
18. 110/220V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T35382 |
5 | 21.74 | - | T35383 |
7.5 | 32.61 | - | T35384 |
10 | 43.48 | T24409 | T35385 |
15 | 65.22 | T24410 | T35386 |
25 | 108.70 | T24411 | T35387 |
37.5 | 163.04 | T24412 | T35388 |
50 | 217.39 | T24413 | T35389 |
75 | 326.09 | T24414 | T35390 |
100 | 434.78 | T24415 | T35391 |
167 | 726.09 | T24416 | T35392 |
200 | 869.57 | T24417 | T35393 |
250 | 1086.96 | T24418 | T35394 |
330 | 1434.78 | T24419 | T35395 |
19. 110/220V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T35396 |
5 | 43.48/21.74 | - | T35397 |
7.5 | 65.22/32.61 | - | T35398 |
10 | 86.96/43.48 | T24423 | T35399 |
15 | 130.43/65.22 | T24424 | T35400 |
25 | 217.39/108.7 | T24425 | T35401 |
37.5 | 326.09/163.04 | T24426 | T35402 |
50 | 434.78/217.39 | T24427 | T35403 |
75 | 652.17/326.09 | T24428 | T35404 |
100 | 869.57/434.78 | T24429 | T35405 |
167 | 1452.17/726.09 | T24430 | T35406 |
200 | 1739.13/869.57 | T24431 | T35407 |
250 | 2173.91/1086.96 | T24432 | T35408 |
330 | 2869.57/1434.78 | T24433 | T35409 |
20. 110/220V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T35410 |
5 | 22.73 | - | T35411 |
7.5 | 34.09 | - | T35412 |
10 | 45.45 | T24437 | T35413 |
15 | 68.18 | T24438 | T35414 |
25 | 113.64 | T24439 | T35415 |
37.5 | 170.45 | T24440 | T35416 |
50 | 227.27 | T24441 | T35417 |
75 | 340.91 | T24442 | T35418 |
100 | 454.55 | T24443 | T35419 |
167 | 759.09 | T24444 | T35420 |
200 | 909.09 | T24445 | T35421 |
250 | 1136.36 | T24446 | T35422 |
330 | 1500 | T24447 | T35423 |
21. 110/220V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T35424 |
5 | 45.45/22.73 | - | T35425 |
7.5 | 68.18/34.09 | - | T35426 |
10 | 90.91/45.45 | T24451 | T35427 |
15 | 136.36/68.18 | T24452 | T35428 |
25 | 227.27/113.64 | T24453 | T35429 |
37.5 | 340.91/170.45 | T24454 | T35430 |
50 | 454.55/227.27 | T24455 | T35431 |
75 | 681.82/340.91 | T24456 | T35432 |
100 | 909.09/454.55 | T24457 | T35433 |
167 | 1518.18/759.09 | T24458 | T35434 |
200 | 1818.18/909.09 | T24459 | T35435 |
250 | 2272.73/1136.36 | T24460 | T35436 |
330 | 3000/1500 | T24461 | T35437 |
22. 110/220V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T35438 |
5 | 24.04 | - | T35439 |
7.5 | 36.06 | - | T35440 |
10 | 48.08 | T24465 | T35441 |
15 | 72.12 | T24466 | T35442 |
25 | 120.19 | T24467 | T35443 |
37.5 | 180.29 | T24468 | T35444 |
50 | 240.38 | T24469 | T35445 |
75 | 360.58 | T24470 | T35446 |
100 | 480.77 | T24471 | T35447 |
167 | 802.88 | T24472 | T35448 |
200 | 961.54 | T24473 | T35449 |
250 | 1201.92 | T24474 | T35450 |
330 | 1586.54 | T24475 | T35451 |
23. 110/220V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T35452 |
5 | 25 | - | T35453 |
7.5 | 37.5 | - | T35454 |
10 | 50 | T24479 | T35455 |
15 | 75 | T24480 | T35456 |
25 | 125 | T24481 | T35457 |
37.5 | 187.5 | T24482 | T35458 |
50 | 250 | T24483 | T35459 |
75 | 375 | T24484 | T35460 |
100 | 500 | T24485 | T35461 |
167 | 835 | T24486 | T35462 |
200 | 1000 | T24487 | T35463 |
250 | 1250 | T24488 | T35464 |
330 | 1650 | T24489 | T35465 |
24. 110/220V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T35466 |
5 | 26.32 | - | T35467 |
7.5 | 39.47 | - | T35468 |
10 | 52.63 | T24493 | T35469 |
15 | 78.95 | T24494 | T35470 |
25 | 131.58 | T24495 | T35471 |
37.5 | 197.37 | T24496 | T35472 |
50 | 263.16 | T24497 | T35473 |
75 | 394.74 | T24498 | T35474 |
100 | 526.32 | T24499 | T35475 |
167 | 878.95 | T24500 | T35476 |
200 | 1052.63 | T24501 | T35477 |
250 | 1315.79 | T24502 | T35478 |
330 | 1736.84 | T24503 | T35479 |
25. 110/220V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T35480 |
5 | 41.67 | - | T35481 |
7.5 | 62.5 | - | T35482 |
10 | 83.33 | T24507 | T35483 |
15 | 125 | T24508 | T35484 |
25 | 208.33 | T24509 | T35485 |
37.5 | 312.5 | T24510 | T35486 |
50 | 416.67 | T24511 | T35487 |
75 | 625 | T24512 | T35488 |
100 | 833.33 | T24513 | T35489 |
167 | 1391.67 | T24514 | T35490 |
200 | 1666.67 | T24515 | T35491 |
250 | 2083.33 | T24516 | T35492 |
330 | 2750 | T24517 | T35493 |
26. 110/220V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T35494 |
5 | 43.48 | - | T35495 |
7.5 | 65.22 | - | T35496 |
10 | 86.96 | T24521 | T35497 |
15 | 130.43 | T24522 | T35498 |
25 | 217.39 | T24523 | T35499 |
37.5 | 326.09 | T24524 | T35500 |
50 | 434.78 | T24525 | T35501 |
75 | 652.17 | T24526 | T35502 |
100 | 869.57 | T24527 | T35503 |
167 | 1452.17 | T24528 | T35504 |
200 | 1739.13 | T24529 | T35505 |
250 | 2173.91 | T24530 | T35506 |
330 | 2869.57 | T24531 | T35507 |
27. 110/220V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T35508 |
5 | 45.45 | - | T35509 |
7.5 | 68.18 | - | T35510 |
10 | 90.91 | T24535 | T35511 |
15 | 136.36 | T24536 | T35512 |
25 | 227.27 | T24537 | T35513 |
37.5 | 340.91 | T24538 | T35514 |
50 | 454.55 | T24539 | T35515 |
75 | 681.82 | T24540 | T35516 |
100 | 909.09 | T24541 | T35517 |
167 | 1518.18 | T24542 | T35518 |
200 | 1818.18 | T24543 | T35519 |
250 | 2272.73 | T24544 | T35520 |
330 | 3000 | T24545 | T35521 |
28. 110/220V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T35522 |
5 | 50 | - | T35523 |
7.5 | 75 | - | T35524 |
10 | 100 | T24549 | T35525 |
15 | 150 | T24550 | T35526 |
25 | 250 | T24551 | T35527 |
37.5 | 375 | T24552 | T35528 |
50 | 500 | T24553 | T35529 |
75 | 750 | T24554 | T35530 |
100 | 1000 | T24555 | T35531 |
167 | 1670 | T24556 | T35532 |
200 | 2000 | T24557 | T35533 |
250 | 2500 | T24558 | T35534 |
330 | 3300 | T24559 | T35535 |