Full Load Currents
Rated Line Amps for KVA and Voltages of
Single Phase Transformers (see below for 3 phase transformers)
| KVA | 120V | 240V | 480V | 600V | 2400V | 4160V |
| Amps | Amps | Amps | Amps | Amps | Amps | |
| 1.0 | 8.3 | 4.2 | 2.1 | 1.7 | – | – |
| 1.5 | 12.5 | 6.3 | 3.1 | 2.5 | – | – |
| 2.0 | 16.7 | 8.3 | 4.2 | 3.3 | – | – |
| 3.0 | 25.0 | 12.5 | 6.3 | 5.0 | 1.25 | 0.73 |
| 5.0 | 41.7 | 20.8 | 10.4 | 8.3 | 2.08 | 1.2 |
| 7.5 | 62.5 | 31.3 | 15.6 | 12.5 | 3.13 | 1.8 |
| 10 | 83.3 | 41.7 | 20.8 | 16.7 | 4.17 | 2.4 |
| 15 | 125 | 62.5 | 31.3 | 25.0 | 6.25 | 3.6 |
| 20 | 167 | 83.3 | 41.7 | 33.3 | 8.33 | 4.8 |
| 25 | 208 | 104 | 52.1 | 41.7 | 10.4 | 6.0 |
| 30 | 250 | 125 | 62.5 | 50.0 | 12.5 | 7.2 |
| 37.5 | 313 | 156 | 78.0 | 62.5 | 15.6 | 9.0 |
| 50 | 417 | 208 | 104 | 83.3 | 20.8 | 12 |
| 75 | 625 | 313 | 156 | 125 | 31.3 | 18 |
| 100 | 833 | 417 | 208 | 167 | 41.7 | 24 |
| 167 | 1391 | 695 | 347 | 278.3 | 69.6 | 40.1 |
| 250 | 2083 | 1041 | 520.8 | 416 | 104 | 60.1 |
| 333 | 2115 | 1387 | 693.7 | 565 | 138 | 80 |
Three Phase Transformer
| KVA | 208V | 240V | 480V | 600V | 2400V | 4160V |
| Amps | Amps | Amps | Amps | Amps | Amps | |
| 3 | 8.3 | 7.2 | 3.6 | 2.9 | 0.72 | 0.42 |
| 6 | 16.6 | 14.4 | 7.2 | 5.8 | 1.46 | 0.83 |
| 9 | 25.0 | 21.7 | 10.8 | 8.7 | 2.17 | 1.25 |
| 15 | 41.7 | 36.1 | 18.1 | 14.5 | 3.61 | 2.09 |
| 20 | 56.6 | 48.2 | 24.1 | 19.3 | 4.82 | 2.78 |
| 25 | 69.5 | 60.2 | 30.1 | 24.1 | 6.02 | 3.48 |
| 30 | 83.4 | 72.3 | 36.1 | 28.9 | 7.23 | 4.17 |
| 37.5 | 104 | 90.3 | 45.2 | 36.1 | 9.03 | 5.22 |
| 45 | 125 | 108 | 54.2 | 43.4 | 10.8 | 6.26 |
| 50 | 139 | 120 | 60.2 | 48.2 | 12.0 | 6.96 |
| 60 | 167 | 145 | 72.3 | 57.8 | 14.5 | 8.35 |
| 75 | 208 | 181 | 90.3 | 72.3 | 18.1 | 10.4 |
| 100 | 278 | 241 | 120 | 96.3 | 24.1 | 13.9 |
| 112 | 313 | 271 | 135 | 108 | 27.1 | 15.7 |
| 150 | 417 | 361 | 181 | 145 | 36.1 | 20.9 |
| 200 | 566 | 482 | 241 | 193 | 48.2 | 27.8 |
| 225 | 625 | 542 | 271 | 217 | 54.2 | 31.3 |
| 300 | 834 | 723 | 361 | 289 | 72.3 | 41.7 |
| 400 | 1112 | 963 | 482 | 385 | 96.3 | 56.7 |
| 500 | 1390 | 1204 | 602 | 482 | 120 | 69.6 |
Disclaimer: Information is provided for information purposes only and is delivered “as is”. Although TechniFest has made every effort to ensure exactness in the information provided, we make no warranty of any kind with respect to the subject matter or accuracy of the information provided. TechniFest specifically disclaims all warranties, expressed or implied, or otherwise, including without limitation, all warranties of merchantability and fitness for a particular use. This publication may contain technical inaccuracies or typographical errors, and changes may be made herein to the information without any warning. If errors are located within the technical information pages, please send by email the corrected information and indicate the location(s) of the errors to info@technifest.com.