Low Voltage Circuit Breakers (LVCBs) are electrical devices designed to protect low voltage electrical circuits from overloads and short circuits. They automatically interrupt the flow of electricity when they detect a fault, preventing damage to equipment and reducing the risk of fire. LVCBs are commonly used in residential, commercial, and industrial applications. These circuit breakers come in various types and ratings, allowing them to handle different levels of electrical current. They are essential components in electrical distribution systems, ensuring safety and reliability. Common standards for LVCBs include IEC 60947 and UL 489, which provide guidelines for their design and performance.