Square D PowerPact JDA34250WU44X J-Frame 3P 250A Mission Critical I-Line Plug-On
250A Frame | 250A | 3P | 25kA@240V, 18kA@480V, 14kA@600V | Electronic Mission Critical (MicroLogic 6.2A LSIG)
Square D's PowerPact JDA34250WU44X J-Frame circuit breaker provides 250A 3-pole circuit protection engineered for commercial and industrial electrical distribution systems. Featuring standard interrupting capacity rated at 25kA@240V, 18kA@480V, 14kA@600V and operating at 480Y/277V AC, this breaker delivers proven and reliable overcurrent protection performance. The JDA34250WU44X 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. This i-line plug-on breaker features i-line plug-on connections with I-Line Bus Connection terminations, accepting 3/0-350 kcmil Al/Cu conductors for versatile wiring applications. With overall dimensions of 9.70" H x 4.50" W x 5.17" D and weighing ~12 lbs, the JDA34250WU44X delivers J-Frame frame protection in a space-efficient package suitable for dense electrical equipment layouts. Certified to UL 489, CSA, and IEC/EN 60947-2 international standards, the JDA34250WU44X 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. As part of the proven PowerPact family, the JDA34250WU44X 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 6.2A LSIG) trip protection rated 250A at 480Y/277V AC. Frame size: 250A. Interrupting capacity: 25kA@240V, 18kA@480V, 14kA@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.
