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 | - | Contact |
| 6 | 5.77 | - | Contact |
| 9 | 8.66 | - | Contact |
| 15 | 14.43 | Contact | Contact |
| 30 | 28.87 | Contact | Contact |
| 45 | 43.30 | Contact | Contact |
| 75 | 72.17 | Contact | Contact |
| 112.5 | 108.26 | Contact | Contact |
| 150 | 144.34 | Contact | Contact |
| 225 | 216.51 | Contact | Contact |
| 300 | 288.68 | Contact | Contact |
| 450 | 433.03 | Contact | Contact |
| 500 | 481.14 | Contact | Contact |
| 600 | 577.37 | Contact | Contact |
| 750 | 721.71 | Contact | Contact |
2. 115V Primary - 575Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.01 | - | Contact |
| 6 | 6.02 | - | Contact |
| 9 | 9.04 | - | Contact |
| 15 | 15.06 | Contact | Contact |
| 30 | 30.12 | Contact | Contact |
| 45 | 45.19 | Contact | Contact |
| 75 | 75.31 | Contact | Contact |
| 112.5 | 112.96 | Contact | Contact |
| 150 | 150.62 | Contact | Contact |
| 225 | 225.93 | Contact | Contact |
| 300 | 301.24 | Contact | Contact |
| 450 | 451.85 | Contact | Contact |
| 500 | 502.06 | Contact | Contact |
| 600 | 602.47 | Contact | Contact |
| 750 | 753.09 | Contact | Contact |
3. 115V Primary - 550Y/316 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.15 | - | Contact |
| 6 | 6.30 | - | Contact |
| 9 | 9.45 | - | Contact |
| 15 | 15.75 | Contact | Contact |
| 30 | 31.49 | Contact | Contact |
| 45 | 47.24 | Contact | Contact |
| 75 | 78.73 | Contact | Contact |
| 112.5 | 118.10 | Contact | Contact |
| 150 | 157.46 | Contact | Contact |
| 225 | 236.20 | Contact | Contact |
| 300 | 314.93 | Contact | Contact |
| 450 | 472.39 | Contact | Contact |
| 500 | 524.88 | Contact | Contact |
| 600 | 629.86 | Contact | Contact |
| 750 | 787.32 | Contact | Contact |
4. 115V Primary - 480Y/277 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.61 | - | Contact |
| 6 | 7.22 | - | Contact |
| 9 | 10.83 | - | Contact |
| 15 | 18.04 | Contact | Contact |
| 30 | 36.09 | Contact | Contact |
| 45 | 54.13 | Contact | Contact |
| 75 | 90.21 | Contact | Contact |
| 112.5 | 135.32 | Contact | Contact |
| 150 | 180.43 | Contact | Contact |
| 225 | 270.64 | Contact | Contact |
| 300 | 360.85 | Contact | Contact |
| 450 | 541.28 | Contact | Contact |
| 500 | 601.42 | Contact | Contact |
| 600 | 721.71 | Contact | Contact |
| 750 | 902.14 | Contact | Contact |
5. 115V Primary - 460V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.77 | - | Contact |
| 6 | 7.53 | - | Contact |
| 9 | 11.30 | - | Contact |
| 15 | 18.83 | Contact | Contact |
| 30 | 37.65 | Contact | Contact |
| 45 | 56.48 | Contact | Contact |
| 75 | 94.14 | Contact | Contact |
| 112.5 | 141.20 | Contact | Contact |
| 150 | 188.27 | Contact | Contact |
| 225 | 282.41 | Contact | Contact |
| 300 | 376.54 | Contact | Contact |
| 450 | 564.82 | Contact | Contact |
| 500 | 627.57 | Contact | Contact |
| 600 | 753.09 | Contact | Contact |
| 750 | 941.36 | Contact | Contact |
6. 115V Primary - 440V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 3.94 | - | Contact |
| 6 | 7.87 | - | Contact |
| 9 | 11.81 | - | Contact |
| 15 | 19.68 | Contact | Contact |
| 30 | 39.37 | Contact | Contact |
| 45 | 59.05 | Contact | Contact |
| 75 | 98.41 | Contact | Contact |
| 112.5 | 147.62 | Contact | Contact |
| 150 | 196.83 | Contact | Contact |
| 225 | 295.24 | Contact | Contact |
| 300 | 393.66 | Contact | Contact |
| 450 | 590.49 | Contact | Contact |
| 500 | 656.10 | Contact | Contact |
| 600 | 787.32 | Contact | Contact |
| 750 | 984.15 | Contact | Contact |
7. 115V Primary - 416Y/240 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.16 | - | Contact |
| 6 | 8.33 | - | Contact |
| 9 | 12.49 | - | Contact |
| 15 | 20.82 | Contact | Contact |
| 30 | 41.64 | Contact | Contact |
| 45 | 62.46 | Contact | Contact |
| 75 | 104.09 | Contact | Contact |
| 112.5 | 156.14 | Contact | Contact |
| 150 | 208.19 | Contact | Contact |
| 225 | 312.28 | Contact | Contact |
| 300 | 416.37 | Contact | Contact |
| 450 | 624.56 | Contact | Contact |
| 500 | 693.95 | Contact | Contact |
| 600 | 832.74 | Contact | Contact |
| 750 | 1040.93 | Contact | Contact |
8. 115V Primary - 400Y/230 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.33 | - | Contact |
| 6 | 8.66 | - | Contact |
| 9 | 12.99 | - | Contact |
| 15 | 21.65 | Contact | Contact |
| 30 | 43.30 | Contact | Contact |
| 45 | 64.95 | Contact | Contact |
| 75 | 108.26 | Contact | Contact |
| 112.5 | 162.38 | Contact | Contact |
| 150 | 216.51 | Contact | Contact |
| 225 | 324.77 | Contact | Contact |
| 300 | 433.03 | Contact | Contact |
| 450 | 649.54 | Contact | Contact |
| 500 | 721.71 | Contact | Contact |
| 600 | 866.05 | Contact | Contact |
| 750 | 1082.56 | Contact | Contact |
9. 115V Primary - 380Y/220 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 4.56 | - | Contact |
| 6 | 9.12 | - | Contact |
| 9 | 13.67 | - | Contact |
| 15 | 22.79 | Contact | Contact |
| 30 | 45.58 | Contact | Contact |
| 45 | 68.37 | Contact | Contact |
| 75 | 113.95 | Contact | Contact |
| 112.5 | 170.93 | Contact | Contact |
| 150 | 227.91 | Contact | Contact |
| 225 | 341.86 | Contact | Contact |
| 300 | 455.82 | Contact | Contact |
| 450 | 683.72 | Contact | Contact |
| 500 | 759.69 | Contact | Contact |
| 600 | 911.63 | Contact | Contact |
| 750 | 1139.54 | Contact | Contact |
10. 115V Primary - 240Y/139 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | Contact |
| 6 | 14.43 | - | Contact |
| 9 | 21.65 | - | Contact |
| 15 | 36.09 | Contact | Contact |
| 30 | 72.17 | Contact | Contact |
| 45 | 108.26 | Contact | Contact |
| 75 | 180.43 | Contact | Contact |
| 112.5 | 270.64 | Contact | Contact |
| 150 | 360.85 | Contact | Contact |
| 225 | 541.28 | Contact | Contact |
| 300 | 721.71 | Contact | Contact |
| 450 | 1082.56 | Contact | Contact |
| 500 | 1202.85 | Contact | Contact |
| 600 | 1443.42 | Contact | Contact |
| 750 | 1804.27 | Contact | Contact |
11. 115V Primary - 240CTD/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.22 | - | Contact |
| 6 | 14.43 | - | Contact |
| 9 | 21.65 | - | Contact |
| 15 | 36.09 | Contact | Contact |
| 30 | 72.17 | Contact | Contact |
| 45 | 108.26 | Contact | Contact |
| 75 | 180.43 | Contact | Contact |
| 112.5 | 270.64 | Contact | Contact |
| 150 | 360.85 | Contact | Contact |
| 225 | 541.28 | Contact | Contact |
| 300 | 721.71 | Contact | Contact |
| 450 | 1082.56 | Contact | Contact |
| 500 | 1202.85 | Contact | Contact |
| 600 | 1443.42 | Contact | Contact |
| 750 | 1804.27 | Contact | Contact |
12. 115V Primary - 230Y/133 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.53 | - | Contact |
| 6 | 15.06 | - | Contact |
| 9 | 22.59 | - | Contact |
| 15 | 37.65 | Contact | Contact |
| 30 | 75.31 | Contact | Contact |
| 45 | 112.96 | Contact | Contact |
| 75 | 188.27 | Contact | Contact |
| 112.5 | 282.41 | Contact | Contact |
| 150 | 376.54 | Contact | Contact |
| 225 | 564.82 | Contact | Contact |
| 300 | 753.09 | Contact | Contact |
| 450 | 1129.63 | Contact | Contact |
| 500 | 1255.15 | Contact | Contact |
| 600 | 1506.18 | Contact | Contact |
| 750 | 1882.72 | Contact | Contact |
13. 115V Primary - 220Y/127 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 7.87 | - | Contact |
| 6 | 15.75 | - | Contact |
| 9 | 23.62 | - | Contact |
| 15 | 39.37 | Contact | Contact |
| 30 | 78.73 | Contact | Contact |
| 45 | 118.10 | Contact | Contact |
| 75 | 196.83 | Contact | Contact |
| 112.5 | 295.24 | Contact | Contact |
| 150 | 393.66 | Contact | Contact |
| 225 | 590.49 | Contact | Contact |
| 300 | 787.32 | Contact | Contact |
| 450 | 1180.98 | Contact | Contact |
| 500 | 1312.20 | Contact | Contact |
| 600 | 1574.64 | Contact | Contact |
| 750 | 1968.30 | Contact | Contact |
14. 115V Primary - 216V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.02 | - | Contact |
| 6 | 16.04 | - | Contact |
| 9 | 24.06 | - | Contact |
| 15 | 40.09 | Contact | Contact |
| 30 | 80.19 | Contact | Contact |
| 45 | 120.28 | Contact | Contact |
| 75 | 200.47 | Contact | Contact |
| 112.5 | 300.71 | Contact | Contact |
| 150 | 400.95 | Contact | Contact |
| 225 | 601.42 | Contact | Contact |
| 300 | 801.90 | Contact | Contact |
| 450 | 1202.85 | Contact | Contact |
| 500 | 1336.50 | Contact | Contact |
| 600 | 1603.80 | Contact | Contact |
| 750 | 2004.75 | Contact | Contact |
15. 115V Primary - 208Y/120 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.33 | - | Contact |
| 6 | 16.65 | - | Contact |
| 9 | 24.98 | - | Contact |
| 15 | 41.64 | Contact | Contact |
| 30 | 83.27 | Contact | Contact |
| 45 | 124.91 | Contact | Contact |
| 75 | 208.19 | Contact | Contact |
| 112.5 | 312.28 | Contact | Contact |
| 150 | 416.37 | Contact | Contact |
| 225 | 624.56 | Contact | Contact |
| 300 | 832.74 | Contact | Contact |
| 450 | 1249.11 | Contact | Contact |
| 500 | 1387.90 | Contact | Contact |
| 600 | 1665.48 | Contact | Contact |
| 750 | 2081.85 | Contact | Contact |
16. 115V Primary - 200Y/115 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 8.66 | - | Contact |
| 6 | 17.32 | - | Contact |
| 9 | 25.98 | - | Contact |
| 15 | 43.30 | Contact | Contact |
| 30 | 86.61 | Contact | Contact |
| 45 | 129.91 | Contact | Contact |
| 75 | 216.51 | Contact | Contact |
| 112.5 | 324.77 | Contact | Contact |
| 150 | 433.03 | Contact | Contact |
| 225 | 649.54 | Contact | Contact |
| 300 | 866.05 | Contact | Contact |
| 450 | 1299.08 | Contact | Contact |
| 500 | 1443.42 | Contact | Contact |
| 600 | 1732.10 | Contact | Contact |
| 750 | 2165.13 | Contact | Contact |
17. 115V Primary - 190Y/110 Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 9.12 | - | Contact |
| 6 | 18.23 | - | Contact |
| 9 | 27.35 | - | Contact |
| 15 | 45.58 | Contact | Contact |
| 30 | 91.16 | Contact | Contact |
| 45 | 136.74 | Contact | Contact |
| 75 | 227.91 | Contact | Contact |
| 112.5 | 341.86 | Contact | Contact |
| 150 | 455.82 | Contact | Contact |
| 225 | 683.72 | Contact | Contact |
| 300 | 911.63 | Contact | Contact |
| 450 | 1367.45 | Contact | Contact |
| 500 | 1519.39 | Contact | Contact |
| 600 | 1823.26 | Contact | Contact |
| 750 | 2279.08 | Contact | Contact |
18. 115V Primary - 120V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 14.43 | - | Contact |
| 6 | 28.87 | - | Contact |
| 9 | 43.30 | - | Contact |
| 15 | 72.17 | Contact | Contact |
| 30 | 144.34 | Contact | Contact |
| 45 | 216.51 | Contact | Contact |
| 75 | 360.85 | Contact | Contact |
| 112.5 | 541.28 | Contact | Contact |
| 150 | 721.71 | Contact | Contact |
| 225 | 1082.56 | Contact | Contact |
| 300 | 1443.42 | Contact | Contact |
| 450 | 2165.13 | Contact | Contact |
| 500 | 2405.70 | Contact | Contact |
| 600 | 2886.84 | Contact | Contact |
| 750 | 3608.55 | Contact | Contact |
19. 115V Primary - 115V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.06 | - | Contact |
| 6 | 30.12 | - | Contact |
| 9 | 45.19 | - | Contact |
| 15 | 75.31 | Contact | Contact |
| 30 | 150.62 | Contact | Contact |
| 45 | 225.93 | Contact | Contact |
| 75 | 376.54 | Contact | Contact |
| 112.5 | 564.82 | Contact | Contact |
| 150 | 753.09 | Contact | Contact |
| 225 | 1129.63 | Contact | Contact |
| 300 | 1506.18 | Contact | Contact |
| 450 | 2259.26 | Contact | Contact |
| 500 | 2510.29 | Contact | Contact |
| 600 | 3012.35 | Contact | Contact |
| 750 | 3765.44 | Contact | Contact |
20. 115V Primary - 110V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 15.75 | - | Contact |
| 6 | 31.49 | - | Contact |
| 9 | 47.24 | - | Contact |
| 15 | 78.73 | Contact | Contact |
| 30 | 157.46 | Contact | Contact |
| 45 | 236.20 | Contact | Contact |
| 75 | 393.66 | Contact | Contact |
| 112.5 | 590.49 | Contact | Contact |
| 150 | 787.32 | Contact | Contact |
| 225 | 1180.98 | Contact | Contact |
| 300 | 1574.64 | Contact | Contact |
| 450 | 2361.96 | Contact | Contact |
| 500 | 2624.40 | Contact | Contact |
| 600 | 3149.28 | Contact | Contact |
| 750 | 3936.59 | Contact | Contact |
21. 115V Primary - 100V Delta Secondary
| kVA | Output Amps | Aluminum | Copper |
| 3 | 17.32 | - | Contact |
| 6 | 34.64 | - | Contact |
| 9 | 51.96 | - | Contact |
| 15 | 86.61 | Contact | Contact |
| 30 | 173.21 | Contact | Contact |
| 45 | 259.82 | Contact | Contact |
| 75 | 433.03 | Contact | Contact |
| 112.5 | 649.54 | Contact | Contact |
| 150 | 866.05 | Contact | Contact |
| 225 | 1299.08 | Contact | Contact |
| 300 | 1732.10 | Contact | Contact |
| 450 | 2598.15 | Contact | Contact |
| 500 | 2886.84 | Contact | Contact |
| 600 | 3464.20 | Contact | Contact |
| 750 | 4330.25 | Contact | Contact |