Square D PowerPact LLL34600WU44X L-Frame 3P 600A Mission Critical UM
600A Frame | 600A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic Mission Critical (MicroLogic 6.3A LSIG)
The Schneider Electric Square D PowerPact LLL34600WU44X is a L-Frame molded case circuit breaker rated at 600 amperes for 3-pole applications in commercial and industrial power distribution systems. This premium breaker delivers very high interrupting capacity rated at 125kA@240V, 100kA@480V, 50kA@600V, operating at 480Y/277V AC for reliable overcurrent protection in critical electrical infrastructure. The LLL34600WU44X 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 LLL34600WU44X 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. UL 489 listed and CSA C22.2 No.5 certified, the LLL34600WU44X 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 LLL34600WU44X 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: 125kA@240V, 100kA@480V, 50kA@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.
