The Square D LLA36400U44X PowerPact is a high-quality circuit breaker designed for various industrial, commercial, and residential applications. With a maximum amperage of 400A and voltage rating of 551-600V, this 3-pole circuit breaker is ideal for large appliances, control equipment panels, and electrical wiring. Its I-Line mounting style allows for easy installation and maintenance, making it a reliable choice for power transformers, branch circuits, and voltage conversion systems. Trusted for its durability and performance, the Square D PowerPact is a versatile and essential component for any electrical system.