1. Uses of enclosure distribution box mcb box
i. Electrical Distribution: It is from where you can distribute and control the electrical supply to different sections of your house. It arranges the electrical distribution into a subsidiary or miniature circuits.
ii. Electrical Security: A circuit breaker or fuse will protect each miniature circuit. Fuses are now out of use, due to their lack of reusability. These circuit breakers will be discussed below.
2. Types of enclosure distribution box mcb box
Based on usage, location, and amperage, there are several types of distribution boards available today. They are used based on the electrical code in the state or district.
i. Main Breaker Panel: This type is either used for one whole commercial or residential unit. They are downstream to the supply from the meter cable. They contain the main circuit breaker that can cut off all supplies to the unit. They also indicate the amperage rating i.e. the entire electrical current the circuit can safely take.
ii. Main Lug Panel: This type is used when there is a main breaker panel upstream. They have a separate disconnector that can help disconnect it during fires and other calamities.
iii. Sub-panel: Like main lug panels, they take the supply from the main breaker panel and split it into smaller circuits for specialized appliances and sections of the house. They, however, do not have separate disconnects.
iv. Transfer Switches: This is a variant of a subpanel, which is used in series with backup power generators, to switch from the main supply. These are especially useful in stormy regions when power cuts are frequent.
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