Enclosures are maintenance free and corrosion resistant. Made from hot compression molded halogen free, self-extinguishing fiberglass reinforced polyester with polyurethane foam-in-place gasket. Molded mounting flanges and cover corner ribs increase enclosure strength. Withstand continuous temperatures from -58°F to 302°F (-50°C to 150°C) and momentary exposure to temperatures up to 392°F (200°C).