Square D PowerPact JLL37100D81 J-Frame 3P 100A DC 500Vdc
250A Frame | 100A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Thermal-Magnetic (DC Adjustable)
Schneider Electric offers the Square D PowerPact JLL37100D81, a premium J-Frame 3-pole molded case circuit breaker delivering 100-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 500V DC to provide comprehensive and dependable circuit protection. Featuring a TMD DC (D81) trip unit, the JLL37100D81 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 JLL37100D81 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. UL 489 listed and CSA certified, the JLL37100D81 meets applicable standards for DC circuit protection applications worldwide. Suitable for DC power distribution, battery energy storage systems, photovoltaic solar installations, uninterruptible power supply systems, and DC motor circuits requiring reliable direct current interruption capability. The JLL37100D81 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 Thermal-Magnetic (DC Adjustable) trip protection rated 100A at 500V 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.
