2CSG110200R1211 – 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.
Toroidal Transformers – for use with RD3 & ELR – Diameter = 110 mm Openable
– Residual Current Devices | ABB