The 4230-T110-K0CE-1A is a single-pole thermal-magnetic miniature circuit breaker designed for DIN rail mounting with toggle actuation, visual status indication, and high rupture capacity. It features a positively trip-free snap action mechanism that ensures reliable switching behavior, with screw terminals allowing vertical connection via busbars. The device is rated for AC 240 V at 1–63 A (IEC/EN 60947-2), AC 120 V at 1–63 A (UL 489), and DC 80 V at 1–63 A (IEC/EN 60947-2), with an ambient temperature range of -35°C to +70°C and IP20 degree of protection. It is suitable for protecting cables, motors, generators, transformers, and industrial equipment including computers, telecommunications systems, and power supplies.