It protects electric motors, house hold wiring, long distance power lino & other electric circuit against damage caused by too much electric current which may flow in a circuit as a result of fault in circuit.
We always aim at zero defect products. All MCB's (100%) are subject to pass through rigorous quality control test for maximum specified mechanical and electrical operations. So Much care has been taken while manufacturing to give best performance. We use all parts and raw material as per the specified standards.