PN-1331-MB is a NEMA 4X plastic enclosure box with external mounting bracket designed for industrial control and protection applications. The enclosure features dimensions of 4.307 inches (109.4 mm) in length, 3.283 inches (83.4 mm) in width, and 2.219 inches (56.4 mm) in height, with all outside dimensions maintaining a ±0.05 inch tolerance. The product meets NEMA 1, 2, 4, 12, 13 and E22/IP66 requirements, ensuring robust protection against dust, moisture, and corrosive environments. Assembly includes four steel sheet metal fasteners for secure cover-to-body attachment, and the enclosure features internal draft angles of 1/2 inch for optimal molding. This NEMA 4X rated box is ideal for outdoor installations, food processing facilities, and harsh industrial environments where superior environmental protection and durability are essential.