The ABB SACE A2 family is part of ABB’s SACE® FORMULA™ molded case circuit breaker (MCCB) series — a line of compact, fixed‑mounted breakers designed for basic overcurrent protection in low‑voltage power distribution. These breakers combine thermal overload and magnetic short‑circuit protection in a single unit, making them suitable for industrial, commercial, and control panel applications where dependable circuit protection and a compact form factor are required.