The 4230-T110-K0DU-10A is a single-pole thermal-magnetic miniature circuit breaker designed for DIN rail mounting with toggle actuation and visual status indication. It features screw terminals with a maximum tightening torque of 2 Nm, cable cross-section capability up to 35 mm², and a stripping length of 14 mm. The device operates across an ambient temperature range of -35°C to +70°C, provides IP20 degree of protection, and meets insulation coordination requirements of overvoltage category III with 4 kV impulse voltage and pollution degree 3. It is compliant with EN 60947-2 and UL 1077 standards, offering reliable switching behavior through a positively trip-free snap action mechanism. Typical applications include protection of cables, motors, generators, transformers, and industrial process control systems.