Prok dv's recommends and suggests to use Digital MicroprocessorMicrocontroller based, Earth Leakage Relay (ELR) with core Balance Current transformer (CBCT ZCT) for typical areas like UPS Inverter application, Mining, Cement, Petroleum & Oil Refineries, Steel, Paper. more...
Man-machine interface through keypad & display, Annunciation indicates the type of fault, True RMS measurement, Note: All Dimensions are in mm. more...