DGG7LE-63G series leakage circuit breaker (hereinafter referred to as circuit breaker) is suitable for Ac 50Hz, rated working voltage230/400V, rated current to 63A circuit, as leakage current (electric shock),overload and short circuit protection function of load line. As theline is not frequently connected, disconnected and converted. This series of products has the advantages of high breaking capacity, strongapplicability, small size, light weight, beautiful appearance and convenient use, The circuit breaker meets the design, manufacture andinspection of GB16917.1.