Square D PowerPact JRA36250U44X J-Frame 3P 250A Electronic I-Line
250A Frame | 250A | 3P | 200kA@240V, 200kA@480V, 100kA@600V | Electronic (MicroLogic 6.2A LSIG)
Engineered for demanding electrical systems, the Square D PowerPact JRA36250U44X is a J-Frame 250A 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 JRA36250U44X features a MicroLogic 6.2A 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 i-line plug-on installation, the JRA36250U44X utilizes i-line plug-on connections with I-Line Bus Connection terminations designed for reliable conductor termination. The unit accommodates 3/0-350 kcmil Al/Cu conductors within compact overall dimensions of 9.70" H x 4.50" W x 5.17" D weighing ~13 lbs, optimizing installation density in electrical distribution equipment. Certified to UL 489, CSA, and IEC/EN 60947-2 international standards, the JRA36250U44X 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. The JRA36250U44X exemplifies Schneider Electric's PowerPact platform engineering excellence, delivering consistent protection performance with robust construction designed for long service life in demanding environments.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 6.2A LSIG) trip protection rated 250A at 600V AC. Frame size: 250A. 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.
