Killark EXBLTP-684 N4 - The Killark EXBLT Series Enclosures are up to 35% lighter than the EXB Series and are made from high-strength, corrosion-resistant copper-free aluminum. They are certified for Class I, II, III hazardous locations and feature optional hinges, conduit openings up to 2" NPT or M63, and gasketed cover flanges with fewer cover bolts for reduced maintenance time. Available in flat aluminum plate or original sand cast covers, these enclosures include pre-drilled mounting pan bosses, recessed notches for easy cover removal, and options for viewing windows. They are suitable for North American and global applications, with certifications including NEC/CEC, ATEX, and IECEx. The EXBLT series is ideal for environments requiring robust protection and easy installation and maintenance.