Square D PowerPact LDL36400TU54X L-Frame 3P 400A Field-Interch Electronic 80%
600A Frame | 400A | 3P | 25kA@240V, 18kA@480V, 14kA@600V | Electronic Field-Interch (MicroLogic 6.3E LSIG)
Square D's PowerPact LDL36400TU54X L-Frame circuit breaker provides 400A 3-pole circuit protection engineered for commercial and industrial electrical distribution systems. Featuring standard interrupting capacity rated at 25kA@240V, 18kA@480V, 14kA@600V and operating at 600V AC, this breaker delivers proven and reliable overcurrent protection performance. The LDL36400TU54X 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. Configured for unit mount installation, the LDL36400TU54X utilizes lug (unit mount) connections with AL400L61K3/AL600LS52K3 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 5.51" W x 5.67" D weighing ~25 lbs, optimizing installation density in electrical distribution equipment. UL 489 listed and CSA C22.2 No.5 certified, the LDL36400TU54X 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 LDL36400TU54X 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 Field-Interch (MicroLogic 6.3E LSIG) trip protection rated 400A at 600V AC. Frame size: 600A. Interrupting capacity: 25kA@240V, 18kA@480V, 14kA@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.
