Square D PowerPact JGA34250WU33X J-Frame 3P 250A Mission Critical I-Line Plug-On
250A Frame | 250A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic Mission Critical (MicroLogic 3.2S LSI)
Schneider Electric offers the Square D PowerPact JGA34250WU33X, a premium J-Frame 3-pole molded case circuit breaker delivering 250-ampere protection for critical electrical infrastructure and power distribution. With high interrupting capacity of 65kA@240V, 35kA@480V, 18kA@600V, this MCCB operates at 480Y/277V AC to provide comprehensive and dependable circuit protection. The JGA34250WU33X features a MicroLogic 3.2S 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 i-line plug-on installation, the JGA34250WU33X 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 ~12 lbs, optimizing installation density in electrical distribution equipment. UL 489 listed and CSA C22.2 No.5 certified, the JGA34250WU33X 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. As part of the proven PowerPact family, the JGA34250WU33X 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 Mission Critical (MicroLogic 3.2S LSI) trip protection rated 250A at 480Y/277V AC. Frame size: 250A. Interrupting capacity: 65kA@240V, 35kA@480V, 18kA@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.
