ABB XT4NU3250BFF000XXX Molded Case Circuit Breaker

The ABB SACE Tmax XT molded case circuit breaker XT4NU3250BFF000XXX is a 3‑pole, 250 A frame MCCB designed for industrial power distribution and overcurrent protection. It is rated for up to 600 V (UL) with a stated interrupting capacity of 18 kA at 600 V and uses a thermal‑magnetic adjustable (TMA) trip unit for field settings. The unit features front‑terminal line and load connections with no lugs installed on the top (line) and bottom (load) sides, allowing customizable terminations. As part of ABB’s Tmax XT family, it delivers reliable protection with configurable trip characteristics suitable for commercial and industrial electrical systems.