Square D PowerPact LJL44600WU33X L-Frame 4P 600A Mission Critical UM
600A Frame | 600A | 4P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic Mission Critical (MicroLogic 3.3S LSI)
Engineered for demanding electrical systems, the Square D PowerPact LJL44600WU33X is a L-Frame 600A 4-pole molded case circuit breaker with extra-high interrupting capacity. Rated at 100kA@240V, 65kA@480V, 25kA@600V and operating at 480Y/277V AC, it provides reliable and consistent protection for power distribution infrastructure applications. The LJL44600WU33X features a MicroLogic 3.3S LSI 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. This unit mount breaker features lug (unit mount) connections with AL400L61K4/AL600LS52K4 terminations, accepting (2) 2/0-500 kcmil Al/Cu conductors for versatile wiring applications. With overall dimensions of 10.24" H x 7.09" W x 5.67" D and weighing ~30 lbs, the LJL44600WU33X delivers L-Frame frame protection in a space-efficient package suitable for dense electrical equipment layouts. UL 489 listed and CSA C22.2 No.5 certified, the LJL44600WU33X meets IEC/EN 60947-2 international standards for global project specification and acceptance. Applications include feeder circuit protection, branch circuit protection, motor control center installations, panelboard and switchboard applications, and industrial power distribution systems requiring L-Frame frame-class protection capabilities. The PowerPact LJL44600WU33X 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 3.3S LSI) 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.
