K. 230 Volt Primary Three Phase Isolation Transformers
TEMCo Three 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. 600Y/347 | 12. 230Y/133 |
| 2. 575Y/330 | 13. 220Y/127 |
| 3. 550Y/316 | 14. 216 Delta |
| 4. 480Y/277 | 15. 208Y/120 |
| 5. 460 Delta | 16. 200Y/115 |
| 6. 440 Delta | 17. 190Y/110 |
| 7. 416Y/240 | 18. 120 Delta |
| 8. 400Y/230 | 19. 115 Delta |
| 9. 380Y/220 | 20. 110 Delta |
| 10. 240Y/139 | 21. 100 Delta |
| 11. 240CTD/120 | |
1. 230V Primary - 600Y/347 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 2.89 | - | T46810 |
| 6 | 5.77 | - | T46811 |
| 9 | 8.66 | - | T46812 |
| 15 | 14.43 | T41140 | T46813 |
| 30 | 28.87 | T41141 | T46814 |
| 45 | 43.30 | T41142 | T46815 |
| 75 | 72.17 | T41143 | T46816 |
| 112.5 | 108.26 | T41144 | T46817 |
| 150 | 144.34 | T41145 | T46818 |
| 225 | 216.51 | T41146 | T46819 |
| 300 | 288.68 | T41147 | T46820 |
| 450 | 433.03 | T41148 | T46821 |
| 500 | 481.14 | T41149 | T46822 |
| 600 | 577.37 | T41150 | T46823 |
| 750 | 721.71 | T41151 | T46824 |
2. 230V Primary - 575Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.01 | - | T46825 |
| 6 | 6.02 | - | T46826 |
| 9 | 9.04 | - | T46827 |
| 15 | 15.06 | T41152 | T46828 |
| 30 | 30.12 | T41153 | T46829 |
| 45 | 45.19 | T41154 | T46830 |
| 75 | 75.31 | T41155 | T46831 |
| 112.5 | 112.96 | T41156 | T46832 |
| 150 | 150.62 | T41157 | T46833 |
| 225 | 225.93 | T41158 | T46834 |
| 300 | 301.24 | T41159 | T46835 |
| 450 | 451.85 | T41160 | T46836 |
| 500 | 502.06 | T41161 | T46837 |
| 600 | 602.47 | T41162 | T46838 |
| 750 | 753.09 | T41163 | T46839 |
3. 230V Primary - 550Y/316 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.15 | - | T46840 |
| 6 | 6.30 | - | T46841 |
| 9 | 9.45 | - | T46842 |
| 15 | 15.75 | T41164 | T46843 |
| 30 | 31.49 | T41165 | T46844 |
| 45 | 47.24 | T41166 | T46845 |
| 75 | 78.73 | T41167 | T46846 |
| 112.5 | 118.10 | T41168 | T46847 |
| 150 | 157.46 | T41169 | T46848 |
| 225 | 236.20 | T41170 | T46849 |
| 300 | 314.93 | T41171 | T46850 |
| 450 | 472.39 | T41172 | T46851 |
| 500 | 524.88 | T41173 | T46852 |
| 600 | 629.86 | T41174 | T46853 |
| 750 | 787.32 | T41175 | T46854 |
4. 230V Primary - 480Y/277 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.61 | - | T46855 |
| 6 | 7.22 | - | T46856 |
| 9 | 10.83 | - | T46857 |
| 15 | 18.04 | T41176 | T46858 |
| 30 | 36.09 | T41177 | T46859 |
| 45 | 54.13 | T41178 | T46860 |
| 75 | 90.21 | T41179 | T46861 |
| 112.5 | 135.32 | T41180 | T46862 |
| 150 | 180.43 | T41181 | T46863 |
| 225 | 270.64 | T41182 | T46864 |
| 300 | 360.85 | T41183 | T46865 |
| 450 | 541.28 | T41184 | T46866 |
| 500 | 601.42 | T41185 | T46867 |
| 600 | 721.71 | T41186 | T46868 |
| 750 | 902.14 | T41187 | T46869 |
5. 230V Primary - 460V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.77 | - | T46870 |
| 6 | 7.53 | - | T46871 |
| 9 | 11.30 | - | T46872 |
| 15 | 18.83 | T41188 | T46873 |
| 30 | 37.65 | T41189 | T46874 |
| 45 | 56.48 | T41190 | T46875 |
| 75 | 94.14 | T41191 | T46876 |
| 112.5 | 141.20 | T41192 | T46877 |
| 150 | 188.27 | T41193 | T46878 |
| 225 | 282.41 | T41194 | T46879 |
| 300 | 376.54 | T41195 | T46880 |
| 450 | 564.82 | T41196 | T46881 |
| 500 | 627.57 | T41197 | T46882 |
| 600 | 753.09 | T41198 | T46883 |
| 750 | 941.36 | T41199 | T46884 |
6. 230V Primary - 440V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.94 | - | T46885 |
| 6 | 7.87 | - | T46886 |
| 9 | 11.81 | - | T46887 |
| 15 | 19.68 | T41200 | T46888 |
| 30 | 39.37 | T41201 | T46889 |
| 45 | 59.05 | T41202 | T46890 |
| 75 | 98.41 | T41203 | T46891 |
| 112.5 | 147.62 | T41204 | T46892 |
| 150 | 196.83 | T41205 | T46893 |
| 225 | 295.24 | T41206 | T46894 |
| 300 | 393.66 | T41207 | T46895 |
| 450 | 590.49 | T41208 | T46896 |
| 500 | 656.10 | T41209 | T46897 |
| 600 | 787.32 | T41210 | T46898 |
| 750 | 984.15 | T41211 | T46899 |
7. 230V Primary - 416Y/240 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.16 | - | T46900 |
| 6 | 8.33 | - | T46901 |
| 9 | 12.49 | - | T46902 |
| 15 | 20.82 | T41212 | T46903 |
| 30 | 41.64 | T41213 | T46904 |
| 45 | 62.46 | T41214 | T46905 |
| 75 | 104.09 | T41215 | T46906 |
| 112.5 | 156.14 | T41216 | T46907 |
| 150 | 208.19 | T41217 | T46908 |
| 225 | 312.28 | T41218 | T46909 |
| 300 | 416.37 | T41219 | T46910 |
| 450 | 624.56 | T41220 | T46911 |
| 500 | 693.95 | T41221 | T46912 |
| 600 | 832.74 | T41222 | T46913 |
| 750 | 1040.93 | T41223 | T46914 |
8. 230V Primary - 400Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.33 | - | T46915 |
| 6 | 8.66 | - | T46916 |
| 9 | 12.99 | - | T46917 |
| 15 | 21.65 | T41224 | T46918 |
| 30 | 43.30 | T41225 | T46919 |
| 45 | 64.95 | T41226 | T46920 |
| 75 | 108.26 | T41227 | T46921 |
| 112.5 | 162.38 | T41228 | T46922 |
| 150 | 216.51 | T41229 | T46923 |
| 225 | 324.77 | T41230 | T46924 |
| 300 | 433.03 | T41231 | T46925 |
| 450 | 649.54 | T41232 | T46926 |
| 500 | 721.71 | T41233 | T46927 |
| 600 | 866.05 | T41234 | T46928 |
| 750 | 1082.56 | T41235 | T46929 |
9. 230V Primary - 380Y/220 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.56 | - | T46930 |
| 6 | 9.12 | - | T46931 |
| 9 | 13.67 | - | T46932 |
| 15 | 22.79 | T41236 | T46933 |
| 30 | 45.58 | T41237 | T46934 |
| 45 | 68.37 | T41238 | T46935 |
| 75 | 113.95 | T41239 | T46936 |
| 112.5 | 170.93 | T41240 | T46937 |
| 150 | 227.91 | T41241 | T46938 |
| 225 | 341.86 | T41242 | T46939 |
| 300 | 455.82 | T41243 | T46940 |
| 450 | 683.72 | T41244 | T46941 |
| 500 | 759.69 | T41245 | T46942 |
| 600 | 911.63 | T41246 | T46943 |
| 750 | 1139.54 | T41247 | T46944 |
10. 230V Primary - 240Y/139 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T46945 |
| 6 | 14.43 | - | T46946 |
| 9 | 21.65 | - | T46947 |
| 15 | 36.09 | T41248 | T46948 |
| 30 | 72.17 | T41249 | T46949 |
| 45 | 108.26 | T41250 | T46950 |
| 75 | 180.43 | T41251 | T46951 |
| 112.5 | 270.64 | T41252 | T46952 |
| 150 | 360.85 | T41253 | T46953 |
| 225 | 541.28 | T41254 | T46954 |
| 300 | 721.71 | T41255 | T46955 |
| 450 | 1082.56 | T41256 | T46956 |
| 500 | 1202.85 | T41257 | T46957 |
| 600 | 1443.42 | T41258 | T46958 |
| 750 | 1804.27 | T41259 | T46959 |
11. 230V Primary - 240CTD/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T46960 |
| 6 | 14.43 | - | T46961 |
| 9 | 21.65 | - | T46962 |
| 15 | 36.09 | T41260 | T46963 |
| 30 | 72.17 | T41261 | T46964 |
| 45 | 108.26 | T41262 | T46965 |
| 75 | 180.43 | T41263 | T46966 |
| 112.5 | 270.64 | T41264 | T46967 |
| 150 | 360.85 | T41265 | T46968 |
| 225 | 541.28 | T41266 | T46969 |
| 300 | 721.71 | T41267 | T46970 |
| 450 | 1082.56 | T41268 | T46971 |
| 500 | 1202.85 | T41269 | T46972 |
| 600 | 1443.42 | T41270 | T46973 |
| 750 | 1804.27 | T41271 | T46974 |
12. 230V Primary - 230Y/133 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.53 | - | T46975 |
| 6 | 15.06 | - | T46976 |
| 9 | 22.59 | - | T46977 |
| 15 | 37.65 | T41272 | T46978 |
| 30 | 75.31 | T41273 | T46979 |
| 45 | 112.96 | T41274 | T46980 |
| 75 | 188.27 | T41275 | T46981 |
| 112.5 | 282.41 | T41276 | T46982 |
| 150 | 376.54 | T41277 | T46983 |
| 225 | 564.82 | T41278 | T46984 |
| 300 | 753.09 | T41279 | T46985 |
| 450 | 1129.63 | T41280 | T46986 |
| 500 | 1255.15 | T41281 | T46987 |
| 600 | 1506.18 | T41282 | T46988 |
| 750 | 1882.72 | T41283 | T46989 |
13. 230V Primary - 220Y/127 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.87 | - | T46990 |
| 6 | 15.75 | - | T46991 |
| 9 | 23.62 | - | T46992 |
| 15 | 39.37 | T41284 | T46993 |
| 30 | 78.73 | T41285 | T46994 |
| 45 | 118.10 | T41286 | T46995 |
| 75 | 196.83 | T41287 | T46996 |
| 112.5 | 295.24 | T41288 | T46997 |
| 150 | 393.66 | T41289 | T46998 |
| 225 | 590.49 | T41290 | T46999 |
| 300 | 787.32 | T41291 | T47000 |
| 450 | 1180.98 | T41292 | T47001 |
| 500 | 1312.20 | T41293 | T47002 |
| 600 | 1574.64 | T41294 | T47003 |
| 750 | 1968.30 | T41295 | T47004 |
14. 230V Primary - 216V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.02 | - | T47005 |
| 6 | 16.04 | - | T47006 |
| 9 | 24.06 | - | T47007 |
| 15 | 40.09 | T41296 | T47008 |
| 30 | 80.19 | T41297 | T47009 |
| 45 | 120.28 | T41298 | T47010 |
| 75 | 200.47 | T41299 | T47011 |
| 112.5 | 300.71 | T41300 | T47012 |
| 150 | 400.95 | T41301 | T47013 |
| 225 | 601.42 | T41302 | T47014 |
| 300 | 801.90 | T41303 | T47015 |
| 450 | 1202.85 | T41304 | T47016 |
| 500 | 1336.50 | T41305 | T47017 |
| 600 | 1603.80 | T41306 | T47018 |
| 750 | 2004.75 | T41307 | T47019 |
15. 230V Primary - 208Y/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.33 | - | T47020 |
| 6 | 16.65 | - | T47021 |
| 9 | 24.98 | - | T47022 |
| 15 | 41.64 | T41308 | T47023 |
| 30 | 83.27 | T41309 | T47024 |
| 45 | 124.91 | T41310 | T47025 |
| 75 | 208.19 | T41311 | T47026 |
| 112.5 | 312.28 | T41312 | T47027 |
| 150 | 416.37 | T41313 | T47028 |
| 225 | 624.56 | T41314 | T47029 |
| 300 | 832.74 | T41315 | T47030 |
| 450 | 1249.11 | T41316 | T47031 |
| 500 | 1387.90 | T41317 | T47032 |
| 600 | 1665.48 | T41318 | T47033 |
| 750 | 2081.85 | T41319 | T47034 |
16. 230V Primary - 200Y/115 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.66 | - | T47035 |
| 6 | 17.32 | - | T47036 |
| 9 | 25.98 | - | T47037 |
| 15 | 43.30 | T41320 | T47038 |
| 30 | 86.61 | T41321 | T47039 |
| 45 | 129.91 | T41322 | T47040 |
| 75 | 216.51 | T41323 | T47041 |
| 112.5 | 324.77 | T41324 | T47042 |
| 150 | 433.03 | T41325 | T47043 |
| 225 | 649.54 | T41326 | T47044 |
| 300 | 866.05 | T41327 | T47045 |
| 450 | 1299.08 | T41328 | T47046 |
| 500 | 1443.42 | T41329 | T47047 |
| 600 | 1732.10 | T41330 | T47048 |
| 750 | 2165.13 | T41331 | T47049 |
17. 230V Primary - 190Y/110 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 9.12 | - | T47050 |
| 6 | 18.23 | - | T47051 |
| 9 | 27.35 | - | T47052 |
| 15 | 45.58 | T41332 | T47053 |
| 30 | 91.16 | T41333 | T47054 |
| 45 | 136.74 | T41334 | T47055 |
| 75 | 227.91 | T41335 | T47056 |
| 112.5 | 341.86 | T41336 | T47057 |
| 150 | 455.82 | T41337 | T47058 |
| 225 | 683.72 | T41338 | T47059 |
| 300 | 911.63 | T41339 | T47060 |
| 450 | 1367.45 | T41340 | T47061 |
| 500 | 1519.39 | T41341 | T47062 |
| 600 | 1823.26 | T41342 | T47063 |
| 750 | 2279.08 | T41343 | T47064 |
18. 230V Primary - 120V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 14.43 | - | T47065 |
| 6 | 28.87 | - | T47066 |
| 9 | 43.30 | - | T47067 |
| 15 | 72.17 | T41344 | T47068 |
| 30 | 144.34 | T41345 | T47069 |
| 45 | 216.51 | T41346 | T47070 |
| 75 | 360.85 | T41347 | T47071 |
| 112.5 | 541.28 | T41348 | T47072 |
| 150 | 721.71 | T41349 | T47073 |
| 225 | 1082.56 | T41350 | T47074 |
| 300 | 1443.42 | T41351 | T47075 |
| 450 | 2165.13 | T41352 | T47076 |
| 500 | 2405.70 | T41353 | T47077 |
| 600 | 2886.84 | T41354 | T47078 |
| 750 | 3608.55 | T41355 | T47079 |
19. 230V Primary - 115V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.06 | - | T47080 |
| 6 | 30.12 | - | T47081 |
| 9 | 45.19 | - | T47082 |
| 15 | 75.31 | T41356 | T47083 |
| 30 | 150.62 | T41357 | T47084 |
| 45 | 225.93 | T41358 | T47085 |
| 75 | 376.54 | T41359 | T47086 |
| 112.5 | 564.82 | T41360 | T47087 |
| 150 | 753.09 | T41361 | T47088 |
| 225 | 1129.63 | T41362 | T47089 |
| 300 | 1506.18 | T41363 | T47090 |
| 450 | 2259.26 | T41364 | T47091 |
| 500 | 2510.29 | T41365 | T47092 |
| 600 | 3012.35 | T41366 | T47093 |
| 750 | 3765.44 | T41367 | T47094 |
20. 230V Primary - 110V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.75 | - | T47095 |
| 6 | 31.49 | - | T47096 |
| 9 | 47.24 | - | T47097 |
| 15 | 78.73 | T41368 | T47098 |
| 30 | 157.46 | T41369 | T47099 |
| 45 | 236.20 | T41370 | T47100 |
| 75 | 393.66 | T41371 | T47101 |
| 112.5 | 590.49 | T41372 | T47102 |
| 150 | 787.32 | T41373 | T47103 |
| 225 | 1180.98 | T41374 | T47104 |
| 300 | 1574.64 | T41375 | T47105 |
| 450 | 2361.96 | T41376 | T47106 |
| 500 | 2624.40 | T41377 | T47107 |
| 600 | 3149.28 | T41378 | T47108 |
| 750 | 3936.59 | T41379 | T47109 |
21. 230V Primary - 100V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 17.32 | - | T47110 |
| 6 | 34.64 | - | T47111 |
| 9 | 51.96 | - | T47112 |
| 15 | 86.61 | T41380 | T47113 |
| 30 | 173.21 | T41381 | T47114 |
| 45 | 259.82 | T41382 | T47115 |
| 75 | 433.03 | T41383 | T47116 |
| 112.5 | 649.54 | T41384 | T47117 |
| 150 | 866.05 | T41385 | T47118 |
| 225 | 1299.08 | T41386 | T47119 |
| 300 | 1732.10 | T41387 | T47120 |
| 450 | 2598.15 | T41388 | T47121 |
| 500 | 2886.84 | T41389 | T47122 |
| 600 | 3464.20 | T41390 | T47123 |
| 750 | 4330.25 | T41391 | T47124 |