Sturdy and easy to install. It's cheaper to assemble a load center by purchasing a Main Lug model panel and buying your own main switch. This one connects to a Siemens panel, so not commenting on the interface with other brands is probably not a good idea. There's little to say other than that there's no way to test the switches at home. Trust therefore depends on the belief that the manufacturer has delivered a sufficient quality for its products and that they will function throughout theβ¦