The ABB SACE Tmax T6 800 TMA 800‑8000 4P FF is a 4‑pole molded case circuit breaker designed for protection and manual switching in three‑phase electrical distribution systems. It incorporates a TMA thermal‑magnetic trip unit with adjustable short‑circuit release range to protect circuits against overload, short‑circuit faults, and phase overload conditions. This breaker is suitable for industrial and commercial low‑voltage power applications, offering high breaking capacity, robust construction, and reliable performance for power distribution systems.