Square D PowerPact JLL36250TU43X J-Frame 3P 250A Field-Interch Electronic
250A Frame | 250A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic Field-Interch (MicroLogic 5.2A LSI)
The PowerPact JLL36250TU43X from Schneider Electric's Square D product line is a J-Frame 3-pole 250-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 600V AC for dependable overcurrent protection performance. The JLL36250TU43X features a MicroLogic 5.2A 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. Configured for unit mount installation, the JLL36250TU43X utilizes lug (unit mount) connections with AL250JD Lug terminations designed for reliable conductor termination. The unit accommodates 3/0-350 kcmil Al/Cu conductors within compact overall dimensions of 5.90" H x 4.50" W x 3.63" D weighing ~12 lbs, optimizing installation density in electrical distribution equipment. UL 489 listed and CSA C22.2 No.5 certified, the JLL36250TU43X 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 J-Frame frame-class protection capabilities. The PowerPact JLL36250TU43X 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 Field-Interch (MicroLogic 5.2A LSI) trip protection rated 250A at 600V AC. Frame size: 250A. 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.
