Square D PowerPact JGL34250WU31X J-Frame 3P 250A Mission Critical Unit Mount
250A Frame | 250A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Electronic Mission Critical (MicroLogic 3.2 LI)
Square D's PowerPact JGL34250WU31X J-Frame circuit breaker provides 250A 3-pole circuit protection engineered for commercial and industrial electrical distribution systems. Featuring high interrupting capacity rated at 65kA@240V, 35kA@480V, 18kA@600V and operating at 480Y/277V AC, this breaker delivers proven and reliable overcurrent protection performance. The JGL34250WU31X 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. This unit mount breaker features lug (unit mount) connections with AL250JD Lug terminations, accepting 3/0-350 kcmil Al/Cu conductors for versatile wiring applications. With overall dimensions of 5.90" H x 4.50" W x 3.63" D and weighing ~12 lbs, the JGL34250WU31X delivers J-Frame frame protection in a space-efficient package suitable for dense electrical equipment layouts. UL 489 listed and CSA C22.2 No.5 certified, the JGL34250WU31X 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. Backed by Schneider Electric's global expertise in power distribution solutions, the JGL34250WU31X ensures dependable protection for critical electrical infrastructure with comprehensive factory warranty coverage and support.
Key Features
This PowerPact MCCB features Electronic Mission Critical (MicroLogic 3.2 LI) 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.
