Square D PowerPact JGL34250WU33X J-Frame 3P 250A Mission Critical Unit Mount
250A Frame | 250A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic Mission Critical (MicroLogic 3.2S LSI)
The Schneider Electric Square D PowerPact JGL34250WU33X 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 high interrupting capacity rated at 65kA@240V, 35kA@480V, 18kA@600V, operating at 480Y/277V AC for reliable overcurrent protection in critical electrical infrastructure. The JGL34250WU33X 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. The JGL34250WU33X features unit mount configuration with lug (unit mount) connections and AL250JD Lug terminations for straightforward installation. Accepting 3/0-350 kcmil Al/Cu conductors, this breaker measures 5.90" H x 4.50" W x 3.63" D and weighs ~12 lbs, providing a compact footprint for space-efficient installation in panelboards, switchboards, and motor control centers. UL 489 listed and CSA C22.2 No.5 certified, the JGL34250WU33X 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 JGL34250WU33X 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.