H. 440 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. 440V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T30048 |
5 | 8.33 | - | T30049 |
7.5 | 12.5 | - | T30050 |
10 | 16.67 | T19075 | T30051 |
15 | 25 | T19076 | T30052 |
25 | 41.67 | T19077 | T30053 |
37.5 | 62.5 | T19078 | T30054 |
50 | 83.33 | T19079 | T30055 |
75 | 125 | T19080 | T30056 |
100 | 166.67 | T19081 | T30057 |
167 | 278.33 | T19082 | T30058 |
200 | 333.33 | T19083 | T30059 |
250 | 416.67 | T19084 | T30060 |
330 | 550 | T19085 | T30061 |
2. 440V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T30062 |
5 | 8.70 | - | T30063 |
7.5 | 13.04 | - | T30064 |
10 | 17.39 | T19089 | T30065 |
15 | 26.09 | T19090 | T30066 |
25 | 43.48 | T19091 | T30067 |
37.5 | 65.22 | T19092 | T30068 |
50 | 86.96 | T19093 | T30069 |
75 | 130.43 | T19094 | T30070 |
100 | 173.91 | T19095 | T30071 |
167 | 290.43 | T19096 | T30072 |
200 | 347.83 | T19097 | T30073 |
250 | 434.78 | T19098 | T30074 |
330 | 573.91 | T19099 | T30075 |
3. 440V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T30076 |
5 | 9.09 | - | T30077 |
7.5 | 13.64 | - | T30078 |
10 | 18.18 | T19103 | T30079 |
15 | 27.27 | T19104 | T30080 |
25 | 45.45 | T19105 | T30081 |
37.5 | 68.18 | T19106 | T30082 |
50 | 90.91 | T19107 | T30083 |
75 | 136.36 | T19108 | T30084 |
100 | 181.82 | T19109 | T30085 |
167 | 303.64 | T19110 | T30086 |
200 | 363.64 | T19111 | T30087 |
250 | 454.55 | T19112 | T30088 |
330 | 600 | T19113 | T30089 |
4. 440V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T30090 |
5 | 10.42 | - | T30091 |
7.5 | 15.63 | - | T30092 |
10 | 20.83 | T19117 | T30093 |
15 | 31.25 | T19118 | T30094 |
25 | 52.08 | T19119 | T30095 |
37.5 | 78.13 | T19120 | T30096 |
50 | 104.17 | T19121 | T30097 |
75 | 156.25 | T19122 | T30098 |
100 | 208.33 | T19123 | T30099 |
167 | 347.92 | T19124 | T30100 |
200 | 416.67 | T19125 | T30101 |
250 | 520.83 | T19126 | T30102 |
330 | 687.50 | T19127 | T30103 |
5. 440V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T30104 |
5 | 20.83/10.42 | - | T30105 |
7.5 | 31.25/15.63 | - | T30106 |
10 | 41.67/20.83 | T19131 | T30107 |
15 | 62.5/31.25 | T19132 | T30108 |
25 | 104.17/52.08 | T19133 | T30109 |
37.5 | 156.25/78.13 | T19134 | T30110 |
50 | 208.33/104.17 | T19135 | T30111 |
75 | 312.5/156.25 | T19136 | T30112 |
100 | 416.67/208.33 | T19137 | T30113 |
167 | 695.83/347.92 | T19138 | T30114 |
200 | 833.33/416.67 | T19139 | T30115 |
250 | 1041.67/520.83 | T19140 | T30116 |
330 | 1375/687.5 | T19141 | T30117 |
6. 440V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T30118 |
5 | 10.87 | - | T30119 |
7.5 | 16.30 | - | T30120 |
10 | 21.74 | T19145 | T30121 |
15 | 32.61 | T19146 | T30122 |
25 | 54.35 | T19147 | T30123 |
37.5 | 81.52 | T19148 | T30124 |
50 | 108.70 | T19149 | T30125 |
75 | 163.04 | T19150 | T30126 |
100 | 217.39 | T19151 | T30127 |
167 | 363.04 | T19152 | T30128 |
200 | 434.78 | T19153 | T30129 |
250 | 543.48 | T19154 | T30130 |
330 | 717.39 | T19155 | T30131 |
7. 440V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T30132 |
5 | 21.74/10.87 | - | T30133 |
7.5 | 32.61/16.3 | - | T30134 |
10 | 43.48/21.74 | T19159 | T30135 |
15 | 65.22/32.61 | T19160 | T30136 |
25 | 108.7/54.35 | T19161 | T30137 |
37.5 | 163.04/81.52 | T19162 | T30138 |
50 | 217.39/108.7 | T19163 | T30139 |
75 | 326.09/163.04 | T19164 | T30140 |
100 | 434.78/217.39 | T19165 | T30141 |
167 | 726.09/363.04 | T19166 | T30142 |
200 | 869.57/434.78 | T19167 | T30143 |
250 | 1086.96/543.48 | T19168 | T30144 |
330 | 1434.78/717.39 | T19169 | T30145 |
8. 440V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T30146 |
5 | 11.36 | - | T30147 |
7.5 | 17.05 | - | T30148 |
10 | 22.73 | T19173 | T30149 |
15 | 34.09 | T19174 | T30150 |
25 | 56.82 | T19175 | T30151 |
37.5 | 85.23 | T19176 | T30152 |
50 | 113.64 | T19177 | T30153 |
75 | 170.45 | T19178 | T30154 |
100 | 227.27 | T19179 | T30155 |
167 | 379.55 | T19180 | T30156 |
200 | 454.55 | T19181 | T30157 |
250 | 568.18 | T19182 | T30158 |
330 | 750 | T19183 | T30159 |
9. 440V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T30160 |
5 | 22.73/11.36 | - | T30161 |
7.5 | 34.09/17.05 | - | T30162 |
10 | 45.45/22.73 | T19187 | T30163 |
15 | 68.18/34.09 | T19188 | T30164 |
25 | 113.64/56.82 | T19189 | T30165 |
37.5 | 170.45/85.23 | T19190 | T30166 |
50 | 227.27/113.64 | T19191 | T30167 |
75 | 340.91/170.45 | T19192 | T30168 |
100 | 454.55/227.27 | T19193 | T30169 |
167 | 759.09/379.55 | T19194 | T30170 |
200 | 909.09/454.55 | T19195 | T30171 |
250 | 1136.36/568.18 | T19196 | T30172 |
330 | 1500/750 | T19197 | T30173 |
10. 440V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T30174 |
5 | 12.02 | - | T30175 |
7.5 | 18.03 | - | T30176 |
10 | 24.04 | T19201 | T30177 |
15 | 36.06 | T19202 | T30178 |
25 | 60.10 | T19203 | T30179 |
37.5 | 90.14 | T19204 | T30180 |
50 | 120.19 | T19205 | T30181 |
75 | 180.29 | T19206 | T30182 |
100 | 240.38 | T19207 | T30183 |
167 | 401.44 | T19208 | T30184 |
200 | 480.77 | T19209 | T30185 |
250 | 600.96 | T19210 | T30186 |
330 | 793.27 | T19211 | T30187 |
11. 440V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T30188 |
5 | 24.04/12.02 | - | T30189 |
7.5 | 36.06/18.03 | - | T30190 |
10 | 48.08/24.04 | T19215 | T30191 |
15 | 72.12/36.06 | T19216 | T30192 |
25 | 120.19/60.1 | T19217 | T30193 |
37.5 | 180.29/90.14 | T19218 | T30194 |
50 | 240.38/120.19 | T19219 | T30195 |
75 | 360.58/180.29 | T19220 | T30196 |
100 | 480.77/240.38 | T19221 | T30197 |
167 | 802.88/401.44 | T19222 | T30198 |
200 | 961.54/480.77 | T19223 | T30199 |
250 | 1201.92/600.96 | T19224 | T30200 |
330 | 1586.54/793.27 | T19225 | T30201 |
12. 440V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T30202 |
5 | 12.5 | - | T30203 |
7.5 | 18.75 | - | T30204 |
10 | 25 | T19229 | T30205 |
15 | 37.5 | T19230 | T30206 |
25 | 62.5 | T19231 | T30207 |
37.5 | 93.75 | T19232 | T30208 |
50 | 125 | T19233 | T30209 |
75 | 187.5 | T19234 | T30210 |
100 | 250 | T19235 | T30211 |
167 | 417.5 | T19236 | T30212 |
200 | 500 | T19237 | T30213 |
250 | 625 | T19238 | T30214 |
330 | 825 | T19239 | T30215 |
13. 440V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T30216 |
5 | 13.16 | - | T30217 |
7.5 | 19.74 | - | T30218 |
10 | 26.32 | T19243 | T30219 |
15 | 39.47 | T19244 | T30220 |
25 | 65.79 | T19245 | T30221 |
37.5 | 98.68 | T19246 | T30222 |
50 | 131.58 | T19247 | T30223 |
75 | 197.37 | T19248 | T30224 |
100 | 263.16 | T19249 | T30225 |
167 | 439.47 | T19250 | T30226 |
200 | 526.32 | T19251 | T30227 |
250 | 657.89 | T19252 | T30228 |
330 | 868.42 | T19253 | T30229 |
14. 440V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T30230 |
5 | 14.41 | - | T30231 |
7.5 | 21.61 | - | T30232 |
10 | 28.82 | T19257 | T30233 |
15 | 43.23 | T19258 | T30234 |
25 | 72.05 | T19259 | T30235 |
37.5 | 108.07 | T19260 | T30236 |
50 | 144.09 | T19261 | T30237 |
75 | 216.14 | T19262 | T30238 |
100 | 288.18 | T19263 | T30239 |
167 | 481.27 | T19264 | T30240 |
200 | 576.37 | T19265 | T30241 |
250 | 720.46 | T19266 | T30242 |
330 | 951.01 | T19267 | T30243 |
15. 440V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T30244 |
5 | 18.05 | - | T30245 |
7.5 | 27.08 | - | T30246 |
10 | 36.10 | T19271 | T30247 |
15 | 54.15 | T19272 | T30248 |
25 | 90.25 | T19273 | T30249 |
37.5 | 135.38 | T19274 | T30250 |
50 | 180.51 | T19275 | T30251 |
75 | 270.76 | T19276 | T30252 |
100 | 361.01 | T19277 | T30253 |
167 | 602.89 | T19278 | T30254 |
200 | 722.02 | T19279 | T30255 |
250 | 902.53 | T19280 | T30256 |
330 | 1191.34 | T19281 | T30257 |
16. 440V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T30258 |
5 | 20.83 | - | T30259 |
7.5 | 31.25 | - | T30260 |
10 | 41.67 | T19285 | T30261 |
15 | 62.5 | T19286 | T30262 |
25 | 104.17 | T19287 | T30263 |
37.5 | 156.25 | T19288 | T30264 |
50 | 208.33 | T19289 | T30265 |
75 | 312.5 | T19290 | T30266 |
100 | 416.67 | T19291 | T30267 |
167 | 695.83 | T19292 | T30268 |
200 | 833.33 | T19293 | T30269 |
250 | 1041.67 | T19294 | T30270 |
330 | 1375 | T19295 | T30271 |
17. 440V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T30272 |
5 | 41.67/20.83 | - | T30273 |
7.5 | 62.5/31.25 | - | T30274 |
10 | 83.33/41.67 | T19299 | T30275 |
15 | 125/62.5 | T19300 | T30276 |
25 | 208.33/104.17 | T19301 | T30277 |
37.5 | 312.5/156.25 | T19302 | T30278 |
50 | 416.67/208.33 | T19303 | T30279 |
75 | 625/312.5 | T19304 | T30280 |
100 | 833.33/416.67 | T19305 | T30281 |
167 | 1391.67/695.83 | T19306 | T30282 |
200 | 1666.67/833.33 | T19307 | T30283 |
250 | 2083.33/1041.67 | T19308 | T30284 |
330 | 2750/1375 | T19309 | T30285 |
18. 440V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T30286 |
5 | 21.74 | - | T30287 |
7.5 | 32.61 | - | T30288 |
10 | 43.48 | T19313 | T30289 |
15 | 65.22 | T19314 | T30290 |
25 | 108.70 | T19315 | T30291 |
37.5 | 163.04 | T19316 | T30292 |
50 | 217.39 | T19317 | T30293 |
75 | 326.09 | T19318 | T30294 |
100 | 434.78 | T19319 | T30295 |
167 | 726.09 | T19320 | T30296 |
200 | 869.57 | T19321 | T30297 |
250 | 1086.96 | T19322 | T30298 |
330 | 1434.78 | T19323 | T30299 |
19. 440V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T30300 |
5 | 43.48/21.74 | - | T30301 |
7.5 | 65.22/32.61 | - | T30302 |
10 | 86.96/43.48 | T19327 | T30303 |
15 | 130.43/65.22 | T19328 | T30304 |
25 | 217.39/108.7 | T19329 | T30305 |
37.5 | 326.09/163.04 | T19330 | T30306 |
50 | 434.78/217.39 | T19331 | T30307 |
75 | 652.17/326.09 | T19332 | T30308 |
100 | 869.57/434.78 | T19333 | T30309 |
167 | 1452.17/726.09 | T19334 | T30310 |
200 | 1739.13/869.57 | T19335 | T30311 |
250 | 2173.91/1086.96 | T19336 | T30312 |
330 | 2869.57/1434.78 | T19337 | T30313 |
20. 440V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T30314 |
5 | 22.73 | - | T30315 |
7.5 | 34.09 | - | T30316 |
10 | 45.45 | T19341 | T30317 |
15 | 68.18 | T19342 | T30318 |
25 | 113.64 | T19343 | T30319 |
37.5 | 170.45 | T19344 | T30320 |
50 | 227.27 | T19345 | T30321 |
75 | 340.91 | T19346 | T30322 |
100 | 454.55 | T19347 | T30323 |
167 | 759.09 | T19348 | T30324 |
200 | 909.09 | T19349 | T30325 |
250 | 1136.36 | T19350 | T30326 |
330 | 1500 | T19351 | T30327 |
21. 440V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T30328 |
5 | 45.45/22.73 | - | T30329 |
7.5 | 68.18/34.09 | - | T30330 |
10 | 90.91/45.45 | T19355 | T30331 |
15 | 136.36/68.18 | T19356 | T30332 |
25 | 227.27/113.64 | T19357 | T30333 |
37.5 | 340.91/170.45 | T19358 | T30334 |
50 | 454.55/227.27 | T19359 | T30335 |
75 | 681.82/340.91 | T19360 | T30336 |
100 | 909.09/454.55 | T19361 | T30337 |
167 | 1518.18/759.09 | T19362 | T30338 |
200 | 1818.18/909.09 | T19363 | T30339 |
250 | 2272.73/1136.36 | T19364 | T30340 |
330 | 3000/1500 | T19365 | T30341 |
22. 440V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T30342 |
5 | 24.04 | - | T30343 |
7.5 | 36.06 | - | T30344 |
10 | 48.08 | T19369 | T30345 |
15 | 72.12 | T19370 | T30346 |
25 | 120.19 | T19371 | T30347 |
37.5 | 180.29 | T19372 | T30348 |
50 | 240.38 | T19373 | T30349 |
75 | 360.58 | T19374 | T30350 |
100 | 480.77 | T19375 | T30351 |
167 | 802.88 | T19376 | T30352 |
200 | 961.54 | T19377 | T30353 |
250 | 1201.92 | T19378 | T30354 |
330 | 1586.54 | T19379 | T30355 |
23. 440V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T30356 |
5 | 25 | - | T30357 |
7.5 | 37.5 | - | T30358 |
10 | 50 | T19383 | T30359 |
15 | 75 | T19384 | T30360 |
25 | 125 | T19385 | T30361 |
37.5 | 187.5 | T19386 | T30362 |
50 | 250 | T19387 | T30363 |
75 | 375 | T19388 | T30364 |
100 | 500 | T19389 | T30365 |
167 | 835 | T19390 | T30366 |
200 | 1000 | T19391 | T30367 |
250 | 1250 | T19392 | T30368 |
330 | 1650 | T19393 | T30369 |
24. 440V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T30370 |
5 | 26.32 | - | T30371 |
7.5 | 39.47 | - | T30372 |
10 | 52.63 | T19397 | T30373 |
15 | 78.95 | T19398 | T30374 |
25 | 131.58 | T19399 | T30375 |
37.5 | 197.37 | T19400 | T30376 |
50 | 263.16 | T19401 | T30377 |
75 | 394.74 | T19402 | T30378 |
100 | 526.32 | T19403 | T30379 |
167 | 878.95 | T19404 | T30380 |
200 | 1052.63 | T19405 | T30381 |
250 | 1315.79 | T19406 | T30382 |
330 | 1736.84 | T19407 | T30383 |
25. 440V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T30384 |
5 | 41.67 | - | T30385 |
7.5 | 62.5 | - | T30386 |
10 | 83.33 | T19411 | T30387 |
15 | 125 | T19412 | T30388 |
25 | 208.33 | T19413 | T30389 |
37.5 | 312.5 | T19414 | T30390 |
50 | 416.67 | T19415 | T30391 |
75 | 625 | T19416 | T30392 |
100 | 833.33 | T19417 | T30393 |
167 | 1391.67 | T19418 | T30394 |
200 | 1666.67 | T19419 | T30395 |
250 | 2083.33 | T19420 | T30396 |
330 | 2750 | T19421 | T30397 |
26. 440V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T30398 |
5 | 43.48 | - | T30399 |
7.5 | 65.22 | - | T30400 |
10 | 86.96 | T19425 | T30401 |
15 | 130.43 | T19426 | T30402 |
25 | 217.39 | T19427 | T30403 |
37.5 | 326.09 | T19428 | T30404 |
50 | 434.78 | T19429 | T30405 |
75 | 652.17 | T19430 | T30406 |
100 | 869.57 | T19431 | T30407 |
167 | 1452.17 | T19432 | T30408 |
200 | 1739.13 | T19433 | T30409 |
250 | 2173.91 | T19434 | T30410 |
330 | 2869.57 | T19435 | T30411 |
27. 440V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T30412 |
5 | 45.45 | - | T30413 |
7.5 | 68.18 | - | T30414 |
10 | 90.91 | T19439 | T30415 |
15 | 136.36 | T19440 | T30416 |
25 | 227.27 | T19441 | T30417 |
37.5 | 340.91 | T19442 | T30418 |
50 | 454.55 | T19443 | T30419 |
75 | 681.82 | T19444 | T30420 |
100 | 909.09 | T19445 | T30421 |
167 | 1518.18 | T19446 | T30422 |
200 | 1818.18 | T19447 | T30423 |
250 | 2272.73 | T19448 | T30424 |
330 | 3000 | T19449 | T30425 |
28. 440V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T30426 |
5 | 50 | - | T30427 |
7.5 | 75 | - | T30428 |
10 | 100 | T19453 | T30429 |
15 | 150 | T19454 | T30430 |
25 | 250 | T19455 | T30431 |
37.5 | 375 | T19456 | T30432 |
50 | 500 | T19457 | T30433 |
75 | 750 | T19458 | T30434 |
100 | 1000 | T19459 | T30435 |
167 | 1670 | T19460 | T30436 |
200 | 2000 | T19461 | T30437 |
250 | 2500 | T19462 | T30438 |
330 | 3300 | T19463 | T30439 |