MCB Connection Diagram with MCCB and Wiring Procedure
Here, in the below diagram, a 3-pole MCCB is used as the main circuit protection for an entire distribution board or an electrical sub-panel. It provides overcurrent protection for the entire
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The isolator is used to OPEN and CLOSE the lines manually, which is the main switch of the electrical system. The phase and neutral lines from the isolator are then connected to the RCCB.
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