Square D PowerPact LRA36400CU54X L-Frame 3P 400A Electronic I-Line 100%
600A Frame | 400A | 3P | 200kA@240V, 200kA@480V, 100kA@600V | Electronic (MicroLogic 6.3E LSIG)
Engineered for demanding electrical systems, the Square D PowerPact LRA36400CU54X is a L-Frame 400A 3-pole molded case circuit breaker with extreme interrupting capacity. Rated at 200kA@240V, 200kA@480V, 100kA@600V and operating at 600V AC, it provides reliable and consistent protection for power distribution infrastructure applications. The LRA36400CU54X features a MicroLogic 6.3E 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 LRA36400CU54X features i-line plug-on configuration with i-line plug-on connections and I-Line Bus Connection terminations for straightforward installation. Accepting (2) 3/0-500 kcmil Al/Cu conductors, this breaker measures 15.24" H x 7.09" W x 8.07" 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 LRA36400CU54X 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 LRA36400CU54X ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 6.3E LSIG) 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.
