1. Circuit Breaker What it is - A protective device that automatically interrupts electrical current when a fault occurs to help prevent damage to wiring and connected equipment. Why you need it - Prevents overloads and short circuits from causing fires or equipment failure - Enables safe maintenance by clearly disconnecting power on fault - Supports safety and reliability in electrical distribution within panels and boards Key attributes - Function: overcurrent protection with a reliable trip response - Compatibility: suited for standard electrical installations in residential and commercial panels - Size: compact form factor for space constrained panels - Material: robust enclosure designed for electrical safety and durability - Performance: dependable trip characteristics and breaking capacity appropriate for common circuits Applications and use scenarios - Home distribution panel: protects lighting and outlet circuits from overloads - Small office or workshop: safeguards equipment and motor circuits - Retrofit or upgrade project: enhances safety and reliability in existing panels