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. It provides control,leakage protection,overload, short circuit,and phase loss protection for the. JXF Series Power Distribution Box product is box assembled with various control functions by customer-selected components, and there are many box sizes and specifications and the size of the box can be customized according to the size of the installation elements. A paid repair will be provided if the warranty period expires. The JXF series is designed for a service life of 8–10 years, which can be extended up to 15 years through optimized load management. The JXF power distribution box is suitable for AC 50 (60HZ) power supply systems with voltages up to 400V, used for branch circuit distribution, and also for small-capacity power distribution. Product Description JXF series.