Residual current monitors (RCMs) with external transformer can detect leakage currents. Through minidip you can set sensitivity and intervention time. According to the same diameter, transformers are made in a single version for all relay sensitivity values.
| esecuzione | Trasformatore di corrente |
| diametro dell'apertura (mm) | 300 |
| con guida in rame | NO |
| fissaggio a scatto | NO |
| Apertura in altezza (mm) | 386 |
| Apertura in larghezza (mm) | 386 |
