MCB Box

Product Description

An MCB (Miniature Circuit Breaker) box typically contains the following components:

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MCBs (Miniature Circuit Breakers): These are the primary components of the box. MCBs protect electrical circuits from overloads and short circuits. They automatically switch off the circuit if a fault occurs.

1. Bus Bar: This is a conductive strip or bar that connects the MCBs in parallel, allowing electricity to flow through the box.

2. Neutral Bar: This is where the neutral wires from different circuits are connected.

3. Earth Bar: The earth or ground wire is connected to this bar for safety, ensuring electrical faults are safely directed to the ground.

4. Din Rail: The MCBs are mounted on a Din Rail, which is a standard metal rail used for securely fixing electrical components inside the distribution board.

5. Circuit Breaker Mechanism: Each MCB has an internal mechanism that includes bimetallic strips or magnetic coils for detecting overloads or short circuits, which then trip the breaker.

6. Terminal Screws: These are used to connect the wires (live, neutral, and earth) to the MCB and bars.

7. Enclosure/Box: The MCBs and other components are housed in a protective, insulated enclosure (usually made of plastic or metal) to prevent accidental contact and provide safety.

8. Labeling Space: Some MCB boxes have space or markings for labeling individual circuits, helping identify what each breaker controls.