JXF Distribution box is suitable for three-phase three wire,three-phase four wire,and three-phase five wire systems with 50Hz,500V and below,and load current not exceeding 250A. To order such indoor box, a letter “R' is specified when ordering; to order the concealed box sized 250 x 200 x 140, the order number is JXF252014R. We will present the performance, safe operation methods, and technical parameters of JXF low-voltage distribution box 1. All structural parts of the cabinet rack are. 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 Metal Enclosure provide Control, monitering, measurement and protection for the electric power loops and main power controlling equipment.