DZ47 sereis mainly applied to the AC 50Hz/60Hz circuit with rated voltage 230v/400v ore less,rated current up to 63A and provide circuits of modern building with overload and short-circuit protections, and it can also be used for operating and isolating the circuit infrequently. For more data,please click /english/aboutdlx/product.asp?seriesid=36&catalogid=330