Square D PowerPact LGL36400CU44X L-Frame 3P 400A Electronic MCCB 100%
600A Frame | 400A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic (MicroLogic 6.3A LSIG)
The PowerPact LGL36400CU44X 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 LGL36400CU44X features a MicroLogic 6.3A 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. The LGL36400CU44X features unit mount configuration with lug (unit mount) connections and AL400L61K3/AL600LS52K3 terminations for straightforward installation. Accepting (2) 2/0-500 kcmil Al/Cu conductors, this breaker measures 10.24" H x 5.51" W x 5.67" D and weighs ~25 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 LGL36400CU44X 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. Backed by Schneider Electric's global expertise in power distribution solutions, the LGL36400CU44X ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 6.3A 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.
