Square D PowerPact LLA34600WU44X L-Frame 3P 600A Mission Critical I-Line
600A Frame | 600A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic Mission Critical (MicroLogic 6.3A LSIG)
Square D's PowerPact LLA34600WU44X L-Frame circuit breaker provides 600A 3-pole circuit protection engineered for commercial and industrial electrical distribution systems. Featuring very high interrupting capacity rated at 125kA@240V, 100kA@480V, 50kA@600V and operating at 480Y/277V AC, this breaker delivers proven and reliable overcurrent protection performance. The LLA34600WU44X 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. This i-line plug-on breaker features i-line plug-on connections with I-Line Bus Connection terminations, accepting (2) 3/0-500 kcmil Al/Cu conductors for versatile wiring applications. With overall dimensions of 15.24" H x 7.09" W x 8.07" D and weighing ~30 lbs, the LLA34600WU44X 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 LLA34600WU44X 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 LLA34600WU44X 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 6.3A 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.
