The 4230-T110-K0BE-1A is a single-pole, high-performance thermal-magnetic miniature circuit breaker for DIN rail mounting. This device has a current rating of 1A and features a 'B' characteristic trip curve, with thermal tripping at 1.05-1.30 times the rated current and magnetic tripping at 3.2-4.8 times the rated current. It is equipped with screw terminals and holds approvals under IEC/EN 60947-2 and UL 1077 standards. The breaker's trip-free snap action mechanism ensures reliable switching, making it suitable for protecting cables, industrial process control systems, and telecommunications equipment.