Square D PowerPact JGL37150D81 J-Frame 3P 150A DC 500Vdc
250A Frame | 150A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Thermal-Magnetic (DC Adjustable)
Engineered for demanding electrical systems, the Square D PowerPact JGL37150D81 is a J-Frame 150A 3-pole molded case circuit breaker with high interrupting capacity. Rated at 65kA@240V, 35kA@480V, 18kA@600V and operating at 500V DC, it provides reliable and consistent protection for power distribution infrastructure applications. This breaker incorporates a factory-calibrated TMD DC (D81) trip unit providing both thermal overload and instantaneous magnetic short-circuit protection. The J-Frame platform's proven trip mechanism ensures reliable operation with consistent and repeatable protection characteristics for dependable circuit protection throughout the breaker's entire service life. The JGL37150D81 features unit mount configuration with lug (unit mount) connections and AL175JD/AL250JD Lug terminations for straightforward installation. Accepting 4-4/0 AWG Al/Cu conductors, this breaker measures 5.90" H x 4.50" W x 3.63" D and weighs ~12 lbs, providing a compact footprint for space-efficient installation in panelboards, switchboards, and motor control centers. UL 489 listed and CSA certified, the JGL37150D81 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 JGL37150D81 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: 65kA@240V, 35kA@480V, 18kA@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.
