The 2479240000 is a 3-pole thermal-magnetic miniature circuit breaker from the Weidmuller BR Series, providing UL 489 rated branch circuit protection for AC and DC systems. It is rated for 20A with a C trip curve, designed to trip between 5 to 10 times the rated current for protecting inductive loads, and supports voltages up to 480Y/277 V AC with a high interrupt capacity of 10 kA. Featuring a trip-free snap action mechanism and a mechanical life of 20,000 cycles, this DIN-rail mountable breaker is ideal for protecting cables, motors, and control circuitry in demanding industrial and commercial applications.