The ABB XT1S 160 TMD 100‑1000 3P F F is a 3‑pole molded case circuit breaker (MCCB) from ABB’s Tmax XT1 series. It provides reliable overcurrent protection for low‑voltage electrical systems by combining thermal overload protection with instantaneous magnetic short‑circuit protection in a compact, fixed‑mount design with front terminals. It is suited for industrial and commercial power distribution, control panels, and machinery safety circuits.