A Circuit Breaker is an electrical switching and protection device used to automatically interrupt an electrical circuit when it detects excessive current or an electrical fault, such as a short circuit or overload.

Attributes:
• Enhances safety by reducing the risk of electrical shocks, as they quickly disconnect the circuit in the event of a fault
• Helps prevent electrical fires by quickly disconnecting faulty circuits

Applications:
A Circuit Breaker is used in air conditioner to provide protection from overcurrent, it is installed in a dedicated electrical panel or breaker box.