The intelligent three-phase four wire current and voltage protector is mainly used in power systems with AC 50Hz (60Hz), rated working voltage 220/380V, main body rated current ranging from 2A to 63A, intelligent controller adjustable working current ranging from 2A to 63A, and control power ranging from. 5KW to 20KW to connect, carry, and disconnect current or voltage under normal conditions (including specified overload conditions), and can also be connected Carrying current or voltage under abnormal conditions (such as short circuit, undervoltage, etc.) for a certain period of time and breaking regulations.
