Product Description:
The Square D LJA36400U31X is a Molded Case Circuit Breaker from the Powerpact family. It features a 3-pole design with a 600V, 400A rating and a 65kA@480V AIC rating. This breaker uses an I-Line Style Plug-In connection and includes solid-state protection. It supports wire sizes from 3/0 AWG to 500 kcmil for both copper and aluminum.