It is used in the AC 50Hz power, lighting and circuit systems with the voltage of 500V and below for power distribution control, monitoring and metering protection, mainly suitable for many places such as industrial and civil buildings, industrial and mining enterprises . It is used in the AC 50Hz power, lighting and circuit systems with the voltage of 500V and below for power distribution control, monitoring and metering protection, mainly suitable for many places such as industrial and civil buildings, industrial and mining enterprises . duct, please dispose the pro ormal operation due to poor manufacture quality. A paid repair will be provided if the warranty period expires. For single row. 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. It is widely applies in industrial and civil architectures as the dynamical,. The product features a. JXF series products are suitable for power, lighting and loop power distribution control, monitoring and metering protection in 50Hz~60Hz, single-phase two-wire, three-phase three-wire, three-phase four-wire and three-phase five-wire systems with voltage below 500V. Product Description JXF series. We will present the performance, safe operation methods, and technical parameters of JXF low-voltage distribution box 1.