Square D PowerPact LLL34600WU53X L-Frame 3P 600A Mission Critical UM
600A Frame | 600A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic Mission Critical (MicroLogic 5.3E LSI)
The PowerPact LLL34600WU53X from Schneider Electric's Square D product line is a L-Frame 3-pole 600-amp circuit breaker designed for professional electrical installations and industrial systems. This MCCB delivers very high interrupting capacity of 125kA@240V, 100kA@480V, 50kA@600V at 480Y/277V AC for dependable overcurrent protection performance. The LLL34600WU53X 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. The LLL34600WU53X 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 LLL34600WU53X 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. The PowerPact LLL34600WU53X 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 Mission Critical (MicroLogic 5.3E LSI) trip protection rated 600A at 480Y/277V AC. Frame size: 600A. Interrupting capacity: 125kA@240V, 100kA@480V, 50kA@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.
