| Primary rated current Ipr |
50…1500 A |
| Rated frequency |
50 Hz |
| Operating frequency |
47…63 Hz |
| Option |
Rated frequency 400 Hz, burden on request |
| Rated continuous thermal current Icth |
According to EN/IEC 61869 |
| Thermal continuous current Ith |
< 60 In, max. 90 kA / 1 s |
| Dynamic rated current Idyn |
2.5 Ith |
| Safety factor (FS) |
≤ 15 |
| Secondary rated current Isr |
1…5 A |
| Burden |
4…15 VA, see table |
| Accuracy class |
Class 0.5 / 1 / 3, see table |
| Maximum power loss |
≤ 15 W at Icth |
| Note on thermal dimensioning |
For thermal dimensioning of the control cabinet |
| Note on secondary winding |
With open secondary winding, an operating time of 1 minute is guaranteed. |
| Operating note |
Current transformers must not be operated with an open secondary winding in order to avoid potentially dangerous overvoltages and overheating. |