Square D PowerPact LRL46400CU53X L-Frame 4P 400A Electronic MCCB 100%
600A Frame | 400A | 4P | 200kA@240V, 200kA@480V, 100kA@600V | Electronic (MicroLogic 5.3E LSI)
Square D's PowerPact LRL46400CU53X L-Frame circuit breaker provides 400A 4-pole circuit protection engineered for commercial and industrial electrical distribution systems. Featuring extreme interrupting capacity rated at 200kA@240V, 200kA@480V, 100kA@600V and operating at 600V AC, this breaker delivers proven and reliable overcurrent protection performance. The LRL46400CU53X features a MicroLogic 5.3E 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 unit mount installation, the LRL46400CU53X utilizes lug (unit mount) connections with AL400L61K4/AL600LS52K4 terminations designed for reliable conductor termination. The unit accommodates (2) 2/0-500 kcmil Al/Cu conductors within compact overall dimensions of 10.24" H x 7.09" W x 5.67" 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 LRL46400CU53X 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 4-pole overcurrent protection. Backed by Schneider Electric's global expertise in power distribution solutions, the LRL46400CU53X ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 5.3E LSI) trip protection rated 400A at 600V AC. Frame size: 600A. Interrupting capacity: 200kA@240V, 200kA@480V, 100kA@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.
