The 4230-T110-K0CE-20A is a single-pole thermal-magnetic miniature circuit breaker designed for DIN rail mounting with toggle actuation and visual status indication. It features a positively trip-free snap action mechanism for reliable switching behavior, rated at 20 A for AC 240 V operation in accordance with EN 60947-2 and UL 1077 standards. The device incorporates screw terminals with a maximum tightening torque of 2 Nm, cable cross-section capability up to 35 mm², and operates reliably across an ambient temperature range of -35°C to +70°C. With an insulation coordination of overvoltage category III (Uimp 4 kV) and IP20 degree of protection, this circuit breaker is ideal for protecting cables, motors, generators, transformers, and industrial control systems. The device provides approximately 20,000 cycles of typical life and weighs approximately 116 g per pole.