The 4230-T120-K0BE-25A is a double-pole, thermal-magnetic miniature circuit breaker designed for overcurrent protection in DIN rail applications. It has a rated current of 25A and features a B-characteristic trip curve, with a thermal trip between 1.05-1.30 times the nominal current and a magnetic trip between 3.2-4.8 times the nominal current. This model is equipped with screw terminals and complies with both IEC/EN 60947-2 and UL 1077 standards, supporting voltages up to AC 415V (IEC) and AC 480Y/277V (UL). A positively trip-free snap action mechanism ensures reliable switching, making it ideal for protecting cables, motors, industrial controls, and telecommunications equipment.