Square D PowerPact LLL36250CU33X L-Frame 3P 250A Electronic MCCB 100%
600A Frame | 250A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Electronic (MicroLogic 3.3S LSI)
Schneider Electric offers the Square D PowerPact LLL36250CU33X, a premium L-Frame 3-pole molded case circuit breaker delivering 250-ampere protection for critical electrical infrastructure and power distribution. With very high interrupting capacity of 125kA@240V, 100kA@480V, 50kA@600V, this MCCB operates at 600V AC to provide comprehensive and dependable circuit protection. The LLL36250CU33X features a MicroLogic 3.3S 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. This unit mount breaker features lug (unit mount) connections with AL400L61K3/AL600LS52K3 terminations, accepting (1) 2-600 kcmil conductors for versatile wiring applications. With overall dimensions of 10.24" H x 5.51" W x 5.67" D and weighing ~25 lbs, the LLL36250CU33X delivers L-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 LLL36250CU33X 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 L-Frame frame interrupting performance. The LLL36250CU33X 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 3.3S LSI) trip protection rated 250A at 600V AC. Frame size: 600A. 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.
