The ABB 1SDA092547R1 is a four‑pole (4P) molded case circuit breaker (MCCB) from ABB’s low‑voltage protection range. It combines adjustable thermal‑magnetic trip protection with fixed and cable‑ready terminal options, providing reliable overload and short‑circuit protection for three‑phase electrical distribution networks. This breaker is suitable for industrial and commercial electrical systems where coordinated circuit protection and robust performance are required. The product may also be supplied with additional modules (such as a residual current or auxiliary interface) depending on variant.