The JXF power distribution box is part of the temporary site power box or power and lighting distribution series, typically used as terminal distribution equipment. Suitable for various buildings, industrial, and commercial settings, it enhances the reliability and safety of power systems. It is suitable for power distribution control, monitoring and metering. Low voltage distribution box-JXF series Overview JXF Series distribution box is a kind of distribution equipment with various control functions assembled based on the type, specification and quantity of components. Low. The JXF distribution box is suitable for 50Hz, 500V and below three-phase three-wire, three-phase four-wire, and three-phase five-wire systems with load currents not exceeding 250A.