Square D PowerPact LGA36400U54X L-Frame 3P 400A Electronic I-Line 80%
600A Frame | 400A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic (MicroLogic 6.3E LSIG)
The PowerPact LGA36400U54X from Schneider Electric's Square D product line is a L-Frame 3-pole 400-amp circuit breaker designed for professional electrical installations and industrial systems. This MCCB delivers high interrupting capacity of 65kA@240V, 35kA@480V, 18kA@600V at 600V AC for dependable overcurrent protection performance. The LGA36400U54X 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. Configured for i-line plug-on installation, the LGA36400U54X 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 LGA36400U54X 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 400A 3-pole overcurrent protection. As part of the proven PowerPact family, the LGA36400U54X 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 400A at 600V AC. Frame size: 600A. Interrupting capacity: 65kA@240V, 35kA@480V, 18kA@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.
