Square D PowerPact LJA34600WU54X L-Frame 3P 600A Mission Critical I-Line
600A Frame | 600A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic Mission Critical (MicroLogic 6.3E LSIG)
Schneider Electric offers the Square D PowerPact LJA34600WU54X, a premium L-Frame 3-pole molded case circuit breaker delivering 600-ampere protection for critical electrical infrastructure and power distribution. With extra-high interrupting capacity of 100kA@240V, 65kA@480V, 25kA@600V, this MCCB operates at 480Y/277V AC to provide comprehensive and dependable circuit protection. The LJA34600WU54X features a MicroLogic 6.3E LSIG 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 LJA34600WU54X 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 LJA34600WU54X 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 PowerPact LJA34600WU54X represents Schneider Electric's commitment to electrical safety, performance, and reliability in power distribution equipment for professional electrical installations worldwide.
Key Features
This PowerPact MCCB features Electronic Mission Critical (MicroLogic 6.3E LSIG) trip protection rated 600A at 480Y/277V AC. Frame size: 600A. Interrupting capacity: 100kA@240V, 65kA@480V, 25kA@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.
