ABB XT1NU3090AAA000XXX Circuit Breaker

ABB XT1NU3090AAA000XXX is a 3‑pole Tmax XT molded‑case circuit breaker rated at 90 A. It uses a thermal‑magnetic (TMF) trip unit to provide both overload protection and short‑circuit protection for three‑phase circuits in industrial and commercial distribution panels. The breaker offers front terminals with lug options for secure wiring and convenient panel planning. This XT1NU model is designed for three‑phase feeders and motors, enabling reliable interruption of fault currents while coordinating with other Tmax XT devices in the same installation. With its robust construction and TMF characteristics, it provides predictable trip behavior and clear visible indication when tripped. The part number XT1NU3090AAA000XXX uniquely identifies this 90 A, 3P XT molded‑case breaker within ABB’s Tmax XT lineup and makes it suitable for machine control panels, process lines, HVAC equipment, and general power distribution enclosures where dependable protection is required.