The power distribution box is an important part of the power system and usually consists of the following parts:

Shell: The shell of the power distribution box is usually made of steel plate or plastic material, which has the characteristics of waterproof, dustproof and anti-corrosion, and protects the internal electrical components from the external environment.

Electrical components: Various electrical components are installed inside the power distribution box, such as circuit breakers, contactors, fuses, leakage protectors, etc., for controlling and protecting circuits.

Power distribution strip: The power distribution box is also equipped with a power distribution strip for power introduction and circuit distribution. Distribution bars are usually made of copper material, which has good electrical conductivity.

Terminals: Terminals are usually made of copper material and are used for connection between electrical components and distribution bars.

Accessories: The power distribution box may also be equipped with some accessories, such as thermometers, hygrometers, lights, etc., for easy operation and maintenance.

The above are the main components of the power distribution box. When purchasing and using power distribution boxes, it is necessary to select the appropriate model and specification according to actual needs, and pay attention to installation and maintenance to ensure the safe and stable operation of electrical equipment.