Here is a simple circuit diagram of the power distribution cabinet. This illustration shows the basic layout of how electrical power is distributed within the system. The main components include the incoming power supply, circuit breakers, fuses, and various output terminals that connect to different loads. The diagram is useful for understanding the flow of electricity and identifying key safety features such as overcurrent protection. It serves as a reference for electricians and engineers during installation, maintenance, or troubleshooting. If you're looking to better understand the internal structure of a power distribution unit, this visual aid can be a helpful starting point. 
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