Eaton LGX3400AAW Complete LG MCCB - UL Listed HACR rated

The LGX3400AAW, a complete molded case circuit breaker, uses adjustable thermal and magnetic trip units, enabling precise overcurrent protection tailored to individual circuits within modern control panels. This feature improves selectivity, reduces nuisance trips, and minimizes arc-flash exposure during faults, helping operators maintain uptime during high-load swings. It is well suited for motor feeders and control panels in manufacturing environments where uptime is critical and downtime is costly. With a 400 A rating and high interrupt capacity—200 kAIC at 240/480 Vac and 65 kAIC at 600 Vac—the breaker tolerates large fault currents without compromising safety. That capability translates to more predictable fault clearing, reduced equipment wear, and longer service intervals for critical loads in dense panel layouts. Engineers experience lower maintenance costs and fewer unplanned shutdowns as a direct result of robust short-circuit performance. Designed around the LG frame and Series G platform, this complete breaker supports straightforward replacement and standardized integration across MCCB installations. The three-pole construction and terminals-free configuration provide wiring flexibility that speeds panel assembly, simplifies field wiring, and minimizes misconnection risk. For distributors and integrators, that standardization reduces spare parts variety and shortens procurement cycles during plant upgrades. Installation aligns with 50/60 Hz systems and IEC practices, while UL-listed status provides regulatory confidence for North American and international projects. Note that adjustable-trip modules are commonly used in IEC contexts, so verify compatibility when mixing UL and IEC configurations. The product ecosystem—accessories, quick selectors, and service centers—supports faster commissioning and ongoing support. Warranty coverage follows Eaton policy, offering one year from installation or eighteen months from shipment. Standardizing on LGX3400AAW delivers predictable performance, reduced spare parts, and a clear upgrade path for future control-system expansions. In short, this combination of protection features, high fault tolerance, and supply-chain support translates to safer, faster panel builds and measurable uptime gains.