From the Manufacturer

The Crouse-Hinds AR342 Arktite Heavy-Duty 30 Amp Circuit Breaking Receptacle Housing, 3-Wire/4-Pole is polarized, corrosion resistant, dirt and dust tight, moisture resistant and weather proof. It has a device rating of 200 AMP and a spring door. The Crouse-Hinds AR2041-S22 Arktite Heavy-Duty 200 Amp Circuit Breaking Receptacle Housing, 4-Wire/4-Pole is made from natural copper-free aluminum and it is industrial grade. From the modest upstate New York beginnings in 1897, Crouse-Hinds has grown into a worldwide organization that manufactures or markets products on every continent. Through aggressive leadership in product innovation, engineering, manufacturing, distribution and technical support we have quite literally, set the standards by which other manufactures in our industry are measured.