The Phoenix Contact 1010301 is a thermal-magnetic miniature circuit breaker designed for branch circuit protection, compliant with UL 489 standards. This 3-position breaker offers robust protection against overloads with a breaking capacity suitable for various industrial applications. With options for different tripping characteristics and rated currents up to 63 A, it provides versatile and reliable protection. Optional accessories such as shunt trips, signal contacts, and auxiliary contacts enhance its functionality, making it an ideal choice for comprehensive circuit protection solutions.