R. 115 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. 115V Primary - 600Y/347 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 2.89 | - | T49015 |
| 6 | 5.77 | - | T49016 |
| 9 | 8.66 | - | T49017 |
| 15 | 14.43 | T42904 | T49018 |
| 30 | 28.87 | T42905 | T49019 |
| 45 | 43.30 | T42906 | T49020 |
| 75 | 72.17 | T42907 | T49021 |
| 112.5 | 108.26 | T42908 | T49022 |
| 150 | 144.34 | T42909 | T49023 |
| 225 | 216.51 | T42910 | T49024 |
| 300 | 288.68 | T42911 | T49025 |
| 450 | 433.03 | T42912 | T49026 |
| 500 | 481.14 | T42913 | T49027 |
| 600 | 577.37 | T42914 | T49028 |
| 750 | 721.71 | T42915 | T49029 |
2. 115V Primary - 575Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.01 | - | T49030 |
| 6 | 6.02 | - | T49031 |
| 9 | 9.04 | - | T49032 |
| 15 | 15.06 | T42916 | T49033 |
| 30 | 30.12 | T42917 | T49034 |
| 45 | 45.19 | T42918 | T49035 |
| 75 | 75.31 | T42919 | T49036 |
| 112.5 | 112.96 | T42920 | T49037 |
| 150 | 150.62 | T42921 | T49038 |
| 225 | 225.93 | T42922 | T49039 |
| 300 | 301.24 | T42923 | T49040 |
| 450 | 451.85 | T42924 | T49041 |
| 500 | 502.06 | T42925 | T49042 |
| 600 | 602.47 | T42926 | T49043 |
| 750 | 753.09 | T42927 | T49044 |
3. 115V Primary - 550Y/316 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.15 | - | T49045 |
| 6 | 6.30 | - | T49046 |
| 9 | 9.45 | - | T49047 |
| 15 | 15.75 | T42928 | T49048 |
| 30 | 31.49 | T42929 | T49049 |
| 45 | 47.24 | T42930 | T49050 |
| 75 | 78.73 | T42931 | T49051 |
| 112.5 | 118.10 | T42932 | T49052 |
| 150 | 157.46 | T42933 | T49053 |
| 225 | 236.20 | T42934 | T49054 |
| 300 | 314.93 | T42935 | T49055 |
| 450 | 472.39 | T42936 | T49056 |
| 500 | 524.88 | T42937 | T49057 |
| 600 | 629.86 | T42938 | T49058 |
| 750 | 787.32 | T42939 | T49059 |
4. 115V Primary - 480Y/277 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.61 | - | T49060 |
| 6 | 7.22 | - | T49061 |
| 9 | 10.83 | - | T49062 |
| 15 | 18.04 | T42940 | T49063 |
| 30 | 36.09 | T42941 | T49064 |
| 45 | 54.13 | T42942 | T49065 |
| 75 | 90.21 | T42943 | T49066 |
| 112.5 | 135.32 | T42944 | T49067 |
| 150 | 180.43 | T42945 | T49068 |
| 225 | 270.64 | T42946 | T49069 |
| 300 | 360.85 | T42947 | T49070 |
| 450 | 541.28 | T42948 | T49071 |
| 500 | 601.42 | T42949 | T49072 |
| 600 | 721.71 | T42950 | T49073 |
| 750 | 902.14 | T42951 | T49074 |
5. 115V Primary - 460V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.77 | - | T49075 |
| 6 | 7.53 | - | T49076 |
| 9 | 11.30 | - | T49077 |
| 15 | 18.83 | T42952 | T49078 |
| 30 | 37.65 | T42953 | T49079 |
| 45 | 56.48 | T42954 | T49080 |
| 75 | 94.14 | T42955 | T49081 |
| 112.5 | 141.20 | T42956 | T49082 |
| 150 | 188.27 | T42957 | T49083 |
| 225 | 282.41 | T42958 | T49084 |
| 300 | 376.54 | T42959 | T49085 |
| 450 | 564.82 | T42960 | T49086 |
| 500 | 627.57 | T42961 | T49087 |
| 600 | 753.09 | T42962 | T49088 |
| 750 | 941.36 | T42963 | T49089 |
6. 115V Primary - 440V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.94 | - | T49090 |
| 6 | 7.87 | - | T49091 |
| 9 | 11.81 | - | T49092 |
| 15 | 19.68 | T42964 | T49093 |
| 30 | 39.37 | T42965 | T49094 |
| 45 | 59.05 | T42966 | T49095 |
| 75 | 98.41 | T42967 | T49096 |
| 112.5 | 147.62 | T42968 | T49097 |
| 150 | 196.83 | T42969 | T49098 |
| 225 | 295.24 | T42970 | T49099 |
| 300 | 393.66 | T42971 | T49100 |
| 450 | 590.49 | T42972 | T49101 |
| 500 | 656.10 | T42973 | T49102 |
| 600 | 787.32 | T42974 | T49103 |
| 750 | 984.15 | T42975 | T49104 |
7. 115V Primary - 416Y/240 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.16 | - | T49105 |
| 6 | 8.33 | - | T49106 |
| 9 | 12.49 | - | T49107 |
| 15 | 20.82 | T42976 | T49108 |
| 30 | 41.64 | T42977 | T49109 |
| 45 | 62.46 | T42978 | T49110 |
| 75 | 104.09 | T42979 | T49111 |
| 112.5 | 156.14 | T42980 | T49112 |
| 150 | 208.19 | T42981 | T49113 |
| 225 | 312.28 | T42982 | T49114 |
| 300 | 416.37 | T42983 | T49115 |
| 450 | 624.56 | T42984 | T49116 |
| 500 | 693.95 | T42985 | T49117 |
| 600 | 832.74 | T42986 | T49118 |
| 750 | 1040.93 | T42987 | T49119 |
8. 115V Primary - 400Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.33 | - | T49120 |
| 6 | 8.66 | - | T49121 |
| 9 | 12.99 | - | T49122 |
| 15 | 21.65 | T42988 | T49123 |
| 30 | 43.30 | T42989 | T49124 |
| 45 | 64.95 | T42990 | T49125 |
| 75 | 108.26 | T42991 | T49126 |
| 112.5 | 162.38 | T42992 | T49127 |
| 150 | 216.51 | T42993 | T49128 |
| 225 | 324.77 | T42994 | T49129 |
| 300 | 433.03 | T42995 | T49130 |
| 450 | 649.54 | T42996 | T49131 |
| 500 | 721.71 | T42997 | T49132 |
| 600 | 866.05 | T42998 | T49133 |
| 750 | 1082.56 | T42999 | T49134 |
9. 115V Primary - 380Y/220 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.56 | - | T49135 |
| 6 | 9.12 | - | T49136 |
| 9 | 13.67 | - | T49137 |
| 15 | 22.79 | T43000 | T49138 |
| 30 | 45.58 | T43001 | T49139 |
| 45 | 68.37 | T43002 | T49140 |
| 75 | 113.95 | T43003 | T49141 |
| 112.5 | 170.93 | T43004 | T49142 |
| 150 | 227.91 | T43005 | T49143 |
| 225 | 341.86 | T43006 | T49144 |
| 300 | 455.82 | T43007 | T49145 |
| 450 | 683.72 | T43008 | T49146 |
| 500 | 759.69 | T43009 | T49147 |
| 600 | 911.63 | T43010 | T49148 |
| 750 | 1139.54 | T43011 | T49149 |
10. 115V Primary - 240Y/139 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T49150 |
| 6 | 14.43 | - | T49151 |
| 9 | 21.65 | - | T49152 |
| 15 | 36.09 | T43012 | T49153 |
| 30 | 72.17 | T43013 | T49154 |
| 45 | 108.26 | T43014 | T49155 |
| 75 | 180.43 | T43015 | T49156 |
| 112.5 | 270.64 | T43016 | T49157 |
| 150 | 360.85 | T43017 | T49158 |
| 225 | 541.28 | T43018 | T49159 |
| 300 | 721.71 | T43019 | T49160 |
| 450 | 1082.56 | T43020 | T49161 |
| 500 | 1202.85 | T43021 | T49162 |
| 600 | 1443.42 | T43022 | T49163 |
| 750 | 1804.27 | T43023 | T49164 |
11. 115V Primary - 240CTD/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | T49165 |
| 6 | 14.43 | - | T49166 |
| 9 | 21.65 | - | T49167 |
| 15 | 36.09 | T43024 | T49168 |
| 30 | 72.17 | T43025 | T49169 |
| 45 | 108.26 | T43026 | T49170 |
| 75 | 180.43 | T43027 | T49171 |
| 112.5 | 270.64 | T43028 | T49172 |
| 150 | 360.85 | T43029 | T49173 |
| 225 | 541.28 | T43030 | T49174 |
| 300 | 721.71 | T43031 | T49175 |
| 450 | 1082.56 | T43032 | T49176 |
| 500 | 1202.85 | T43033 | T49177 |
| 600 | 1443.42 | T43034 | T49178 |
| 750 | 1804.27 | T43035 | T49179 |
12. 115V Primary - 230Y/133 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.53 | - | T49180 |
| 6 | 15.06 | - | T49181 |
| 9 | 22.59 | - | T49182 |
| 15 | 37.65 | T43036 | T49183 |
| 30 | 75.31 | T43037 | T49184 |
| 45 | 112.96 | T43038 | T49185 |
| 75 | 188.27 | T43039 | T49186 |
| 112.5 | 282.41 | T43040 | T49187 |
| 150 | 376.54 | T43041 | T49188 |
| 225 | 564.82 | T43042 | T49189 |
| 300 | 753.09 | T43043 | T49190 |
| 450 | 1129.63 | T43044 | T49191 |
| 500 | 1255.15 | T43045 | T49192 |
| 600 | 1506.18 | T43046 | T49193 |
| 750 | 1882.72 | T43047 | T49194 |
13. 115V Primary - 220Y/127 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.87 | - | T49195 |
| 6 | 15.75 | - | T49196 |
| 9 | 23.62 | - | T49197 |
| 15 | 39.37 | T43048 | T49198 |
| 30 | 78.73 | T43049 | T49199 |
| 45 | 118.10 | T43050 | T49200 |
| 75 | 196.83 | T43051 | T49201 |
| 112.5 | 295.24 | T43052 | T49202 |
| 150 | 393.66 | T43053 | T49203 |
| 225 | 590.49 | T43054 | T49204 |
| 300 | 787.32 | T43055 | T49205 |
| 450 | 1180.98 | T43056 | T49206 |
| 500 | 1312.20 | T43057 | T49207 |
| 600 | 1574.64 | T43058 | T49208 |
| 750 | 1968.30 | T43059 | T49209 |
14. 115V Primary - 216V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.02 | - | T49210 |
| 6 | 16.04 | - | T49211 |
| 9 | 24.06 | - | T49212 |
| 15 | 40.09 | T43060 | T49213 |
| 30 | 80.19 | T43061 | T49214 |
| 45 | 120.28 | T43062 | T49215 |
| 75 | 200.47 | T43063 | T49216 |
| 112.5 | 300.71 | T43064 | T49217 |
| 150 | 400.95 | T43065 | T49218 |
| 225 | 601.42 | T43066 | T49219 |
| 300 | 801.90 | T43067 | T49220 |
| 450 | 1202.85 | T43068 | T49221 |
| 500 | 1336.50 | T43069 | T49222 |
| 600 | 1603.80 | T43070 | T49223 |
| 750 | 2004.75 | T43071 | T49224 |
15. 115V Primary - 208Y/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.33 | - | T49225 |
| 6 | 16.65 | - | T49226 |
| 9 | 24.98 | - | T49227 |
| 15 | 41.64 | T43072 | T49228 |
| 30 | 83.27 | T43073 | T49229 |
| 45 | 124.91 | T43074 | T49230 |
| 75 | 208.19 | T43075 | T49231 |
| 112.5 | 312.28 | T43076 | T49232 |
| 150 | 416.37 | T43077 | T49233 |
| 225 | 624.56 | T43078 | T49234 |
| 300 | 832.74 | T43079 | T49235 |
| 450 | 1249.11 | T43080 | T49236 |
| 500 | 1387.90 | T43081 | T49237 |
| 600 | 1665.48 | T43082 | T49238 |
| 750 | 2081.85 | T43083 | T49239 |
16. 115V Primary - 200Y/115 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.66 | - | T49240 |
| 6 | 17.32 | - | T49241 |
| 9 | 25.98 | - | T49242 |
| 15 | 43.30 | T43084 | T49243 |
| 30 | 86.61 | T43085 | T49244 |
| 45 | 129.91 | T43086 | T49245 |
| 75 | 216.51 | T43087 | T49246 |
| 112.5 | 324.77 | T43088 | T49247 |
| 150 | 433.03 | T43089 | T49248 |
| 225 | 649.54 | T43090 | T49249 |
| 300 | 866.05 | T43091 | T49250 |
| 450 | 1299.08 | T43092 | T49251 |
| 500 | 1443.42 | T43093 | T49252 |
| 600 | 1732.10 | T43094 | T49253 |
| 750 | 2165.13 | T43095 | T49254 |
17. 115V Primary - 190Y/110 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 9.12 | - | T49255 |
| 6 | 18.23 | - | T49256 |
| 9 | 27.35 | - | T49257 |
| 15 | 45.58 | T43096 | T49258 |
| 30 | 91.16 | T43097 | T49259 |
| 45 | 136.74 | T43098 | T49260 |
| 75 | 227.91 | T43099 | T49261 |
| 112.5 | 341.86 | T43100 | T49262 |
| 150 | 455.82 | T43101 | T49263 |
| 225 | 683.72 | T43102 | T49264 |
| 300 | 911.63 | T43103 | T49265 |
| 450 | 1367.45 | T43104 | T49266 |
| 500 | 1519.39 | T43105 | T49267 |
| 600 | 1823.26 | T43106 | T49268 |
| 750 | 2279.08 | T43107 | T49269 |
18. 115V Primary - 120V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 14.43 | - | T49270 |
| 6 | 28.87 | - | T49271 |
| 9 | 43.30 | - | T49272 |
| 15 | 72.17 | T43108 | T49273 |
| 30 | 144.34 | T43109 | T49274 |
| 45 | 216.51 | T43110 | T49275 |
| 75 | 360.85 | T43111 | T49276 |
| 112.5 | 541.28 | T43112 | T49277 |
| 150 | 721.71 | T43113 | T49278 |
| 225 | 1082.56 | T43114 | T49279 |
| 300 | 1443.42 | T43115 | T49280 |
| 450 | 2165.13 | T43116 | T49281 |
| 500 | 2405.70 | T43117 | T49282 |
| 600 | 2886.84 | T43118 | T49283 |
| 750 | 3608.55 | T43119 | T49284 |
19. 115V Primary - 115V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.06 | - | T49285 |
| 6 | 30.12 | - | T49286 |
| 9 | 45.19 | - | T49287 |
| 15 | 75.31 | T43120 | T49288 |
| 30 | 150.62 | T43121 | T49289 |
| 45 | 225.93 | T43122 | T49290 |
| 75 | 376.54 | T43123 | T49291 |
| 112.5 | 564.82 | T43124 | T49292 |
| 150 | 753.09 | T43125 | T49293 |
| 225 | 1129.63 | T43126 | T49294 |
| 300 | 1506.18 | T43127 | T49295 |
| 450 | 2259.26 | T43128 | T49296 |
| 500 | 2510.29 | T43129 | T49297 |
| 600 | 3012.35 | T43130 | T49298 |
| 750 | 3765.44 | T43131 | T49299 |
20. 115V Primary - 110V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.75 | - | T49300 |
| 6 | 31.49 | - | T49301 |
| 9 | 47.24 | - | T49302 |
| 15 | 78.73 | T43132 | T49303 |
| 30 | 157.46 | T43133 | T49304 |
| 45 | 236.20 | T43134 | T49305 |
| 75 | 393.66 | T43135 | T49306 |
| 112.5 | 590.49 | T43136 | T49307 |
| 150 | 787.32 | T43137 | T49308 |
| 225 | 1180.98 | T43138 | T49309 |
| 300 | 1574.64 | T43139 | T49310 |
| 450 | 2361.96 | T43140 | T49311 |
| 500 | 2624.40 | T43141 | T49312 |
| 600 | 3149.28 | T43142 | T49313 |
| 750 | 3936.59 | T43143 | T49314 |
21. 115V Primary - 100V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 17.32 | - | T49315 |
| 6 | 34.64 | - | T49316 |
| 9 | 51.96 | - | T49317 |
| 15 | 86.61 | T43144 | T49318 |
| 30 | 173.21 | T43145 | T49319 |
| 45 | 259.82 | T43146 | T49320 |
| 75 | 433.03 | T43147 | T49321 |
| 112.5 | 649.54 | T43148 | T49322 |
| 150 | 866.05 | T43149 | T49323 |
| 225 | 1299.08 | T43150 | T49324 |
| 300 | 1732.10 | T43151 | T49325 |
| 450 | 2598.15 | T43152 | T49326 |
| 500 | 2886.84 | T43153 | T49327 |
| 600 | 3464.20 | T43154 | T49328 |
| 750 | 4330.25 | T43155 | T49329 |