This series of transformers are suitable for electric energy measurement, current measurement and relay protection in power system with rated frequency of 50Hz or 60Hz and rated voltage of 10Kv or below.
| Rated primary current (A) |
Rated secondary current (A) |
Measuring current transformer | Protective current transformer | ||||
| Accuracy and rated load（VA） | Accuracy and rated load（VA） | ||||||
| 0.2S | 0.2 | 0.5 | 10P20 | 10P15 | 10P10 | ||
| 50 | 5 or 1 | 2.5 | |||||
| 75 | 2.5 | 5 | 1.5 | ||||
| 100 | 2.5 | 3.75 | 5 | 2.5 | |||
| 150 | 5 | 5 | 10 | 2.5 | 2.5 | ||
| 200 | 10 | 12.5 | 15 | 2.5 | 3.75 | 5 | |
| 300 | 20 | 25 | 30 | 3.75 | 5 | 7.5 | |
| 400 | 25 | 30 | 40 | 5 | 7.5 | 10 | |
| 500 | 30 | 40 | 50 | 5 | 7.5 | 10 | |
| 600 | 40 | 50 | 60 | 7.5 | 10 | 15 | |
| 800 | 40 | 50 | 60 | 10 | 15 | 20 | |