ABB XT1NU3080AFF000XXX Molded-Case Circuit Breaker

ABB SACE Tmax XT molded‑case circuit breaker XT1NU3080AFF000XXX is a 3‑pole protective device in the Tmax XT family, rated for 80 A with a thermal‑magnetic (TMF) trip mechanism, designed for distribution panels and motor‑control circuits in industrial and commercial power systems. It is specified for up to 600 V AC and provides an 18 kA short‑circuit interrupt rating at 600 V, making it suitable for feeders and branch circuits where rapid fault clearance is required. Built on the XT1N 125 A frame, this unit uses front termination with no lugs installed on both the line (top) and load (bottom) sides, and carries UL/CSA listings for standard electrical installations. As a molded‑case circuit breaker (MCCB) in the SACE Tmax XT line, XT1NU3080AFF000XXX offers a compact form factor and reliable overcurrent protection, enabling straightforward replacement within existing Tmax XT panels and switchgear. Common applications include protecting power distribution feeders, machine circuits, and control panels in commercial facilities and light industrial settings, where an 80 A device with a high fault‑current rating helps ensure safe operation across 50/60 Hz systems. The part number reflects Tmax XT specifications across regional catalogs, so verify your panel’s termination style and voltage requirements before installation to ensure full compatibility.