Square D PowerPact LJA36600U43X L-Frame 3P 600A Electronic I-Line 80%
600A Frame | 600A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic (MicroLogic 5.3A LSI)
The PowerPact LJA36600U43X from Schneider Electric's Square D product line is a L-Frame 3-pole 600-amp circuit breaker designed for professional electrical installations and industrial systems. This MCCB delivers extra-high interrupting capacity of 100kA@240V, 65kA@480V, 25kA@600V at 600V AC for dependable overcurrent protection performance. The LJA36600U43X 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. 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 LJA36600U43X 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 LJA36600U43X 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. Backed by Schneider Electric's global expertise in power distribution solutions, the LJA36600U43X ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 5.3A LSI) 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.
