Simply put, a distribution cabinet is an enclosure that contains circuit breakers, relays, busbars, and monitoring devices. It ensures that electricity is delivered safely and efficiently to different sections of a building or facility. For engineers, contractors, and facility managers, understanding the differences. The function is different: switchgear is a complete set of electrical switchgear and control equipment, it is used as a power center and the main distribution device, mainly to play the role of a switch on and off. And distribution cabinet is to plays the function of distribution of electrical. The core differences between distribution cabinets and distribution boxes lie in their size, capacity, installation method, and application scenarios. Key. Power Distribution Equipment is a term generally used to describe any apparatus used for the generation, transmission, distribution, or control of electrical energy.