The ABB S2C‑H11L is an auxiliary contact accessory designed for use with ABB S‑series miniature circuit breakers (MCBs), such as the S200 and S300P ranges. It provides additional contact status indication by adding one normally open (NO) and one normally closed (NC) auxiliary contact. This accessory mounts on the left side of the breaker and enables remote signalling of the breaker’s switching state for control, indication, or interlocking purposes. Its compact design supports installation in electrical distribution boards, control panels, and automation systems where feedback on breaker status is required.