Square D PowerPact LJA36600U54X L-Frame 3P 600A Electronic I-Line 80%
600A Frame | 600A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic (MicroLogic 6.3E LSIG)
Square D's PowerPact LJA36600U54X L-Frame circuit breaker provides 600A 3-pole circuit protection engineered for commercial and industrial electrical distribution systems. Featuring extra-high interrupting capacity rated at 100kA@240V, 65kA@480V, 25kA@600V and operating at 600V AC, this breaker delivers proven and reliable overcurrent protection performance. The LJA36600U54X features a MicroLogic 6.3E 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 LJA36600U54X delivers L-Frame frame protection in a space-efficient package suitable for dense electrical equipment layouts. Compliant with UL 489, CSA C22.2 No.5, and IEC/EN 60947-2 international standards, the LJA36600U54X 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. As part of the proven PowerPact family, the LJA36600U54X delivers dependable protection backed by Schneider Electric's extensive global engineering heritage and comprehensive industry-leading technical support resources.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 6.3E LSIG) trip protection rated 600A at 600V 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.
