The ABB A2N 250 TMF 200‑2000 3P F F is a fixed‑type 3‑pole molded case circuit breaker (MCCB) from ABB’s SACE FORMULA family. It is designed to provide overload and short‑circuit protection for industrial and commercial low‑voltage electrical installations. The breaker uses a thermomagnetic trip mechanism to protect circuits, and its compact design with front‑accessible terminals makes it suitable for distribution boards, control panels, and machinery feeders.