Square D PowerPact LGL37045D31 L-Frame 3P 450A DC 500Vdc
600A Frame | 450A | 3P | 65kA@240V, 35kA@480V, 18kA@600V | Thermal-Magnetic (DC Adjustable)
Engineered for demanding electrical systems, the Square D PowerPact LGL37045D31 is a L-Frame 450A 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. The LGL37045D31 incorporates a TMD DC (D31) 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 L-Frame platform, ensuring consistent and dependable circuit protection across a wide range of operating conditions and fault scenarios. The LGL37045D31 features unit mount configuration with lug (unit mount) connections and AL600LS52K3 terminations for straightforward installation. Accepting (2) 2/0-500 kcmil Al/Cu conductors, this breaker measures 10.24" H x 5.51" W x 5.67" D and weighs ~25 lbs, providing a compact footprint for space-efficient installation in panelboards, switchboards, and motor control centers. UL 489 listed and CSA certified, the LGL37045D31 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 LGL37045D31 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 450A at 500V DC. Frame size: 600A. 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.
