| Transformation ratio | Accuracy class | Burden, VA |
|
20/5A, 30/5A, 40/5A
|
0,5S
|
5
|
|
50/5A, 75/5A, 100/5A
150/5A |
0,5S
|
5;10
|
|
200/5A
|
0,5S
|
10
|
|
0,2S
|
5
|