Hammond's 1590ZGRP series enclosures are designed for industrial applications requiring robust protection. Constructed from glass reinforced polyester, these enclosures offer excellent durability and resistance to environmental factors. They feature a gasketed lid with a tongue and groove design for a watertight seal and are certified to NEMA 4, 4X, and IP65 standards. Internal mounting shelves and bonding/mounting nuts are molded in for easy installation. Optional galvanized steel inner panels are available for added functionality.