Square D PowerPact JLL36175 J-Frame 3P 175A MCCB Lug 80%
250A Frame | 175A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Thermal-Magnetic (Adjustable)
Engineered for demanding electrical systems, the Square D PowerPact JLL36175 is a J-Frame 175A 3-pole molded case circuit breaker with very high interrupting capacity. Rated at 125kA@240V, 100kA@480V, 50kA@600V and operating at 600V AC / 250V DC, it provides reliable and consistent protection for power distribution infrastructure applications. Featuring a TMD (Thermal-Magnetic) trip unit, the JLL36175 delivers dependable thermal overload and magnetic short-circuit protection for continuous operation. The fixed trip characteristics are factory-calibrated for optimal protection performance, providing reliable overcurrent sensing and fast fault interruption across the full range of anticipated operating conditions. Configured for unit mount installation, the JLL36175 utilizes lug (unit mount) connections with AL175JD/AL250JD Lug terminations designed for reliable conductor termination. The unit accommodates 4-4/0 AWG Al/Cu conductors within compact overall dimensions of 5.90" H x 4.50" W x 3.63" D weighing ~12 lbs, optimizing installation density in electrical distribution equipment. Certified to UL 489, CSA, and IEC/EN 60947-2 international standards, the JLL36175 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 JLL36175 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 Thermal-Magnetic (Adjustable) trip protection rated 175A at 600V AC / 250V DC. 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.
