Square D PowerPact LJL34600WU44X L-Frame 3P 600A Mission Critical UM
600A Frame | 600A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic Mission Critical (MicroLogic 6.3A LSIG)
Schneider Electric offers the Square D PowerPact LJL34600WU44X, 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 LJL34600WU44X features a MicroLogic 6.3A 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. Configured for unit mount installation, the LJL34600WU44X utilizes lug (unit mount) connections with AL400L61K3/AL600LS52K3 terminations designed for reliable conductor termination. The unit accommodates (2) 2/0-500 kcmil Al/Cu conductors within compact overall dimensions of 10.24" H x 5.51" W x 5.67" D weighing ~25 lbs, optimizing installation density in electrical distribution equipment. Compliant with UL 489, CSA C22.2 No.5, and IEC/EN 60947-2 international standards, the LJL34600WU44X carries multiple certifications for worldwide acceptance and specification. Ideal for commercial buildings, industrial facilities, data centers, healthcare facilities, and critical infrastructure power distribution requiring reliable 600A 3-pole overcurrent protection. The LJL34600WU44X 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 Mission Critical (MicroLogic 6.3A 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.
