Bargain Square D LDL36400U31X – 400A 3 Pole Molded Case Circuit Breaker

Engineered for industrial applications, the Square D LDL36400U31X is a 3-pole, 400A MCCB from the PowerPacT L-Frame family. It delivers reliable power distribution for control panels and switchboards. This unit mount breaker features standard lugs accepting dual 2/0 AWG to 500 kcmil conductors. It serves as a direct substitute for the LGL36400U31X. Equipped with a MicroLogic 3.3 trip unit, it provides adjustable LI settings, true RMS sensing, and an 18kAIC rating at 480V.