Enhance your power distribution with the Eaton P1XL4A442I Pow-R-Xpress Interior. This 42-circuit panelboard interior, designed for commercial and industrial applications, features a robust 400A aluminum main lug only configuration. Part of the Pow-R-Line 1X series, it offers reliable performance and is built for the demands of modern electrical assemblies..The Eaton P1XL4A442I is a Pow-R-Xpress Interior for panelboards, rated for 400A and 240VAC. It is a 42-circuit interior with aluminum construction and a main lug only configuration. The dimensions are 16.0000 IN x 6.5000 IN x 35.0000 IN. It is manufactured in the United States and is designed for electrical assemblies, panels, and EOEM applications.