Circuit breakers are absolutely necessary for your home. They make sure your electric circuits are well protected from current shortages and overloading. Some of the most commonly known circuit breakers are MCB circuit breaker and a residual current circuit breaker which is also known as an RCCB. These devices break the circuit by tripping the switch whenever they detect any changes in current flow in the electric circuit. You can visit Havells’ website for all kind of switch gears and accessories.