Square D PowerPact LGA36400CU31X L-Frame 3P 400A Electronic I-Line 100%
600A Frame | 400A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic (MicroLogic 3.3 LI)
The Schneider Electric Square D PowerPact LGA36400CU31X is a L-Frame molded case circuit breaker rated at 400 amperes for 3-pole applications in commercial and industrial power distribution systems. This premium breaker delivers high interrupting capacity rated at 65kA@240V, 35kA@480V, 18kA@600V, operating at 600V AC for reliable overcurrent protection in critical electrical infrastructure. The LGA36400CU31X features a MicroLogic 3.3 LI electronic trip unit providing adjustable long-time delay, short-time delay, instantaneous, and ground fault protection settings for precise overcurrent coordination. This advanced electronic trip technology enables optimized protection curves, selective coordination with upstream and downstream protective devices, and significantly enhanced system reliability. The LGA36400CU31X features i-line plug-on configuration with i-line plug-on connections and I-Line Bus Connection terminations for straightforward installation. Accepting (2) 3/0-500 kcmil Al/Cu conductors, this breaker measures 15.24" H x 7.09" W x 8.07" D and weighs ~30 lbs, providing a compact footprint for space-efficient installation in panelboards, switchboards, and motor control centers. Certified to UL 489, CSA, and IEC/EN 60947-2 international standards, the LGA36400CU31X ensures compliance across diverse global markets and jurisdictions. This breaker serves commercial and industrial power distribution, feeder protection, motor circuit applications, and switchgear installations requiring dependable L-Frame frame interrupting performance. The LGA36400CU31X exemplifies Schneider Electric's PowerPact platform engineering excellence, delivering consistent protection performance with robust construction designed for long service life in demanding environments.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 3.3 LI) trip protection rated 400A at 600V AC. Frame size: 600A. Interrupting capacity: 65kA@240V, 35kA@480V, 18kA@600V. Designed for reliable overcurrent protection in industrial and commercial power distribution systems.
Applications
Suitable for main distribution panels, motor control centers, switchboards, and feeder circuit protection in industrial facilities, data centers, and commercial buildings. Compliant with UL 489, CSA C22.2 No.5, IEC/EN 60947-2, NOM, CCC, CE.
