Certified Square D LJA36400CU33X – 400A 3 Pole Molded Case Circuit Breaker

Engineered for commercial and industrial applications, the Square D LJA36400CU33X is a 3-pole, 400A PowerPacT L-Frame MCCB. It provides advanced protection with a 100% continuous current rating. This breaker installs into Square D I-Line panelboards and switchboards, featuring an I-Line connection on the line side and mechanical lugs on the load side. Rated 65 kAIC at 480VAC, it utilizes a MicroLogic 3.3S electronic trip unit with adjustable LSI settings for precise coordination.