This product is suitable for AC 50Hz systems with voltages up to AC single-phase 220V or three-phase 380V, and currents up to 250A. It provides functions such as line overload protection, short-circuit protection, and circuit switching for indoor lighting and power distribution . XM series plastic case circuit breaker distribution box (MCCB box for short) is widely used in power plants, substations, factories and mines, hotels, apartments, and high-rise buildings. Designed with a robust steel enclosure, it safely houses circuit breakers, fuses, and control devices to manage lighting, motor loads, and. Zhejiang B&J Electrical Co., Ltd, with 20 years' experience in the electrical industry, is the leading manufacturer of distribution boxes in China, specialized in producing and researching all kinds of distribution boxes, wall mounting distribution boxes, knock down cabinets, floor standing. XM series integrated distribution box/cabinet is a series of products developed by our company on the basis of absorbing the advantages of the current domestic popular distribution box/cabinet, the box/cabinet body is made of high-quality cold-rolled steel plate, processed by CNC machine tools.