Square D PowerPact LGL46400CU31X L-Frame 4P 400A Electronic MCCB 100%
600A Frame | 400A | 4P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic (MicroLogic 3.3 LI)
Schneider Electric offers the Square D PowerPact LGL46400CU31X, a premium L-Frame 4-pole molded case circuit breaker delivering 400-ampere protection for critical electrical infrastructure and power distribution. With high interrupting capacity of 65kA@240V, 35kA@480V, 18kA@600V, this MCCB operates at 600V AC to provide comprehensive and dependable circuit protection. The LGL46400CU31X features a MicroLogic 3.3 LI 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 LGL46400CU31X 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 LGL46400CU31X 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. The PowerPact LGL46400CU31X 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 (MicroLogic 3.3 LI) 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.