Square D PowerPact LLA36600U43X L-Frame 3P 600A Electronic I-Line 80%
600A Frame | 600A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic (MicroLogic 5.3A LSI)
The Schneider Electric Square D PowerPact LLA36600U43X 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 600V AC for reliable overcurrent protection in critical electrical infrastructure. The LLA36600U43X features a MicroLogic 5.3A 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. Configured for i-line plug-on installation, the LLA36600U43X utilizes i-line plug-on connections with I-Line Bus Connection terminations designed for reliable conductor termination. The unit accommodates (2) 3/0-500 kcmil Al/Cu conductors within compact overall dimensions of 15.24" H x 7.09" W x 8.07" D weighing ~30 lbs, optimizing installation density in electrical distribution equipment. Certified to UL 489, CSA, and IEC/EN 60947-2 international standards, the LLA36600U43X 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 LLA36600U43X 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 (MicroLogic 5.3A LSI) trip protection rated 600A at 600V 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.
