ABB XT1NU3125DFF000XXX Circuit Breaker

ABB XT1NU3125DFF000XXX is a 3‑pole Tmax XT molded‑case circuit breaker (XT1N‑D) with a 125 A frame, designed for 3‑phase, 600 V systems and motor/distribution protection in industrial panels. This UL/CSA‑listed MCS device uses front‑line termination on the line side and front termination on the load side, with top‑ and bottom terminals configured for front connections and no lugs installed, and it measures 5.12 in high by 3 in wide by 2.75 in deep. It supports an instantaneous rating of IM = 1500 A and an interrupting capacity of 18 kA at 600 V, providing robust short‑circuit protection for motors and feeders in compact spaces. As part of ABB's Tmax XT family, XT1NU3125DFF000XXX is a compact, three‑pole circuit breaker suitable for panel mounting in industrial installations requiring UL/CSA compliance and reliable thermal‑magnetic trip protection.