Square D PowerPact JRA36250U54X J-Frame 3P 250A Electronic I-Line
250A Frame | 250A | 3P | 200kA@240V, 200kA@480V, 100kA@600V | Electronic (MicroLogic 6.2E LSIG)
The Schneider Electric Square D PowerPact JRA36250U54X 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 extreme interrupting capacity rated at 200kA@240V, 200kA@480V, 100kA@600V, operating at 600V AC for reliable overcurrent protection in critical electrical infrastructure. The JRA36250U54X 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 JRA36250U54X 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 JRA36250U54X 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. The JRA36250U54X exemplifies Schneider Electric's PowerPact platform engineering excellence, delivering consistent protection performance with robust construction designed for long service life in demanding environments.
Key Features
This PowerPact MCCB features Electronic (MicroLogic 6.2E LSIG) trip protection rated 250A at 600V AC. Frame size: 250A. Interrupting capacity: 200kA@240V, 200kA@480V, 100kA@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.
