|The scope of application
This product is mainly used for AC 50Hz, rated voltage 400V, rated current up to 800V power distribution network system, providing indirect contact protection to persons. Also it is used to avoid the fire risk caused by the grounding fault current that the broken equipment insulation produces. Moreover it is used to distribute electric power and provide the over-load and short-circuit protection to the circuits and electric equipments. And it is used to switch on and off occasionally the circuits.