Electronic earth leakage current intensity monitoring relay (IEC 62020), compatible with the WGC-TB series protection transformers. The RGU-10B is the most complete system of the range that monitors and controls the electrical insulation of B type installations (IEC 60755).
The earth leakage transformers of the WGC series offer better immunity to the transient current spikes that usually trigger the earth leakage protection. The earth leakage transformers of the WGC series have been designed to operate with the relays of the WGCseries. The sensitivity (trip current) of the transformer-relay assembly is established by the associated relay.