| Rated primary current Ipr |
300…2500 A |
| Rated frequency |
50 Hz |
| Working frequency |
47…63 Hz |
| Option |
Rated frequency 400 Hz, burden to be advised |
| Rated continuous thermal current Icth |
100 % Ipr |
| Rated short-time thermal current Ith |
< 60 Ipr, max. 90 kA |
| Rated dynamic current Idyn |
2.5 Ith |
| Instrument security factor (FS) |
≤ 5 |
| Rated secondary current Isr |
5 / 1 A |
| Rated burden |
8…45 VA at class 5P5 / 4…12 VA at class 5P10 / 2.5…6 VA at class 5P15 / 1.5…3 VA at class 5P20 |
| Accuracy class |
Class 5P5 / 5P10 / 5P15 / 5P20 |
| Max. power dissipation |
≤ 26.5 W |
| Note on thermal dimensioning |
For switchboard thermal calculation |
| Max. allowed cable or busbar temperature |
125 °C |
| Note on secondary winding |
With open secondary winding, an operating time of 1 minute is guaranteed. |
| Accessory |
ATAP015 (NT710) for automatic short-circuiting of the secondary winding when the threshold value is exceeded |
| Auxiliary supply |
Not required, self-powered |