The ABB S204‑D50 is a 4‑pole miniature circuit breaker (MCB) with a Type‑D trip characteristic, designed to provide reliable overload and short‑circuit protection for low‑voltage AC distribution circuits. It is part of ABB’s System pro M Compact / S200M series, engineered for residential, commercial, and light industrial electrical installations. The D‑curve enables the breaker to tolerate high inrush currents such as those from motors, transformers, and other inductive loads while still offering dependable protective performance. This compact DIN‑rail mountable breaker features screw terminals with clear ON/OFF indication and complies with international safety standards.
