... rated current:6,10,16,20,25A,32A 4.rated voltage:240V Scope of applicationDRNL-32 earth leakage circuit ... have the electric leakage (electric shock), overload, short circuit and so on protection functions. The over voltage protection ... be pressed once in a state of making the circuit to check whether the function of RCBO is ... the course of transportation, storage and usage. residual current device