Square D LJA36400U33X – 400A 3 Pole Molded Case Circuit Breaker Certified

Built for robust power distribution, the Square D LJA36400U33X is a 3-pole, 400A electronic trip molded case circuit breaker. It is part of the PowerPacT L-Frame series, designed for heavy-duty commercial and industrial facilities. This unit installs into Square D I-Line panelboards and switchboards using a secure plug-on connection. It is equipped with a Micrologic 3.3S trip unit, offering adjustable long-time, short-time, and instantaneous (LSI) functions for precise system coordination.