The Dual Drive Arc Fault Detective Device is mainly used for terminal power distribution circuit with AC 50Hz and rated voltage up to 240V. It can detect arc faults and automatically trip, helping to prevent residential electrical fires. It has good fire protection, electrical resistance, as well as short circuit protection, overload protection, series arc fault identification, parallel arc fault identification, over-voltage and under-voltage protection and other functional features, and is widely used in commercial office buildings, residential buildings and similar places.