Eaton / Cutler-Hammer LB3400 – 400A 3 Pole Molded Case Circuit Breaker Buy Online

A drop-in replacement for aging infrastructure, the Eaton LB3400 is a 3-pole, 400A molded case circuit breaker equipped with an interchangeable thermal-magnetic trip unit. The bolt-on design ensures a secure connection within Pow-R-Line 4 panels, Pow-R-Line C switchboards, and legacy Westinghouse CDP panelboards. Facilities looking to upgrade can substitute this unit with the Series G LGE3400FAW. Offering a solid 42kAIC rating at 240VAC, it provides excellent fault current interruption.