The ABB SACE F2S2500 R2500 PR1/P-LSIG 3P is a high-performance motor protection circuit breaker (MPCB) designed to protect motors, transformers, and other electrical systems from various types of electrical faults, including overload, short-circuit, ground faults, and thermal damage. It is part of the SACE F2S series, which is specifically engineered for industrial and commercial applications. The breaker is a three-pole (3P) device that combines PR1/P protection with LSIG (Long-time, Short-time, Instantaneous, Ground fault) features, ensuring comprehensive protection for high-power electrical circuits.