Square D PowerPact LJL46250CU31X L-Frame 4P 250A Electronic MCCB 100%
600A Frame | 250A | 4P | 100kA@240V, 65kA@480V, 25kA@600V | Electronic (MicroLogic 3.3 LI)
The PowerPact LJL46250CU31X from Schneider Electric's Square D product line is a L-Frame 4-pole 250-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 LJL46250CU31X 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. The LJL46250CU31X features unit mount configuration with lug (unit mount) connections and AL400L61K4/AL600LS52K4 terminations for straightforward installation. Accepting (2) 2/0-500 kcmil Al/Cu conductors, this breaker measures 10.24" H x 7.09" W x 5.67" D and weighs ~30 lbs, providing a compact footprint for space-efficient installation in panelboards, switchboards, and motor control centers. UL 489 listed and CSA C22.2 No.5 certified, the LJL46250CU31X meets IEC/EN 60947-2 international standards for global project specification and acceptance. Applications include feeder circuit protection, branch circuit protection, motor control center installations, panelboard and switchboard applications, and industrial power distribution systems requiring L-Frame frame-class protection capabilities. As part of the proven PowerPact family, the LJL46250CU31X 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 3.3 LI) trip protection rated 250A 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.
