The Phoenix Contact 1010291 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 of 10 kA, making it ideal for systems up to 277/480 V AC or 80/125 V DC. With optional accessories like shunt releases and signal contacts, it provides versatile protection for various industrial applications. Its compact design and high performance ensure reliable operation in demanding environments.