Square D PowerPact JLL37150D81 J-Frame 3P 150A DC 500Vdc
250A Frame | 150A | 3P | 125kA@240V, 100kA@480V, 50kA@600V | Thermal-Magnetic (DC Adjustable)
Engineered for demanding electrical systems, the Square D PowerPact JLL37150D81 is a J-Frame 150A 3-pole molded case circuit breaker with very high interrupting capacity. Rated at 125kA@240V, 100kA@480V, 50kA@600V and operating at 500V DC, it provides reliable and consistent protection for power distribution infrastructure applications. The JLL37150D81 incorporates a TMD DC (D81) trip unit for reliable overcurrent protection including thermal overload and magnetic instantaneous response capabilities. This proven trip technology provides fixed protection characteristics precisely optimized for the J-Frame platform, ensuring consistent and dependable circuit protection across a wide range of operating conditions and fault scenarios. This unit mount breaker features lug (unit mount) connections with AL175JD/AL250JD Lug terminations, accepting 4-4/0 AWG Al/Cu conductors for versatile wiring applications. With overall dimensions of 5.90" H x 4.50" W x 3.63" D and weighing ~12 lbs, the JLL37150D81 delivers J-Frame frame protection in a space-efficient package suitable for dense electrical equipment layouts. UL 489 listed and CSA certified, the JLL37150D81 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 JLL37150D81 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 150A 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.
