LDAB1(S250S) MINI CIRCUIT BREAKER is used in AC 50Hz/60Hz, rated voltage 400V and rated current to 63A. And they have high breaking capacity, small volume, modularized assembly and beautiful appearance. It's mainly used for the overload and short circuit protection of lighting and distribution equipment in office building, residence and other buildings. It can also be used for unfrequent switch on and off the electrical equipment and illumination circuit under normal condition. This product comply with IEC60898.