Square D PowerPact LJA34250WU33X L-Frame 3P 250A Mission Critical I-Line
600A Frame | 250A | 3P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic Mission Critical (MicroLogic 3.3S LSI)
Engineered for demanding electrical systems, the Square D PowerPact LJA34250WU33X is a L-Frame 250A 3-pole molded case circuit breaker with extra-high interrupting capacity. Rated at 100kA@240V, 65kA@480V, 25kA@600V and operating at 480Y/277V AC, it provides reliable and consistent protection for power distribution infrastructure applications. The LJA34250WU33X features a MicroLogic 3.3S 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 LJA34250WU33X 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. Compliant with UL 489, CSA C22.2 No.5, and IEC/EN 60947-2 international standards, the LJA34250WU33X 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 250A 3-pole overcurrent protection. The PowerPact LJA34250WU33X 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 3.3S LSI) trip protection rated 250A at 480Y/277V 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.
