Square D PowerPact JLL36250U31X J-Frame 3P 250A Electronic MCCB 80%
250A Frame | 250A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic (MicroLogic 3.2 LI)
The Schneider Electric Square D PowerPact JLL36250U31X is a J-Frame molded case circuit breaker rated at 250 amperes for 3-pole applications in commercial and industrial power distribution systems. This premium breaker delivers very high interrupting capacity rated at 125kA@240V, 100kA@480V, 50kA@600V, operating at 600V AC for reliable overcurrent protection in critical electrical infrastructure. The JLL36250U31X features a MicroLogic 3.2 LI 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 JLL36250U31X 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. Certified to UL 489, CSA, and IEC/EN 60947-2 international standards, the JLL36250U31X ensures compliance across diverse global markets and jurisdictions. This breaker serves commercial and industrial power distribution, feeder protection, motor circuit applications, and switchgear installations requiring dependable J-Frame frame interrupting performance. Backed by Schneider Electric's global expertise in power distribution solutions, the JLL36250U31X ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 3.2 LI) 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.
