The ABB S202‑K4 is a 2‑pole miniature circuit breaker from ABB’s System pro M compact S200 series designed to provide reliable overload and short‑circuit protection in low‑voltage electrical circuits. It uses a thermal‑magnetic trip unit with a K‑type characteristic, which provides enhanced tolerance for inrush currents and quick response to fault conditions. The compact DIN‑rail mountable device is suitable for residential, commercial, and industrial electrical panels, offering robust protection and visual ON/OFF status indication
