Distribution cabinets are divided into several levels
2025-10-21
Regarding the classification of distribution cabinets, they are divided into three levels: the first is the first level distribution equipment, collectively referred to as the power distribution center. They will be installed in the enterprise's substation and distribute electrical energy to lower level distribution equipment at different addresses. This level of equipment relies solely on step-down transformers, so the electrical parameters are required to be high and the output circuit capacity is also large.
Next is the secondary distribution equipment, which is a general term for power distribution cabinets and motor control centers. The power distribution cabinet is used in situations where the load is relatively loose and there are few circuits; The motor control center is used in situations where the load is concentrated and there are many circuits. They distribute the electrical energy from a certain circuit of the higher-level distribution equipment to nearby loads. This level of equipment should provide protection, supervision, and control for the load.
The final stage is the final power distribution equipment, collectively known as the lighting power distribution box. They are located far from the power supply center and are scattered small capacity distribution equipment.
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