Square D PowerPact JLA36250U54X J-Frame 3P 250A Electronic I-Line
250A Frame | 250A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic (MicroLogic 6.2E LSIG)
The Schneider Electric Square D PowerPact JLA36250U54X 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 very high interrupting capacity rated at 125kA@240V, 100kA@480V, 50kA@600V, operating at 600V AC for reliable overcurrent protection in critical electrical infrastructure. The JLA36250U54X features a MicroLogic 6.2E 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 ~13 lbs, the JLA36250U54X 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 JLA36250U54X 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 JLA36250U54X 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 (MicroLogic 6.2E LSIG) trip protection rated 250A at 600V AC. Frame size: 250A. Interrupting capacity: 125kA@240V, 100kA@480V, 50kA@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.
