Increased insulation clearances of built-in components, high IP rating of enclosures, temperature restrictions, use of certified components and certified electrical apparatus are specific requirements for reinforced construction equipment. Always check for certifications like ATEX and IECEx when selecting explosion-proof distribution boxes. This helps prevent. Pepperl+Fuchs provides a specialized portfolio of Ex d (flameproof) and Ex tb (dust protection by enclosure) certified terminal boxes and junction boxes engineered for reliable use in explosion-hazardous areas. These places are more prone to protection accidents. So in the choice of power distribution box to pay more attention to the. Supermec ATEX Junction Box & Enclosures are designed to satisfy most of our clients' requirements for CONTROL explosion-proof and flameproof enclosures. The Ex junction boxes that we have in stock ready to same day shipping, the full customized. Unlike standard distribution boxes that could become shrapnel shards in volatile environments, explosion-proof containers are engineered fortresses that absorb, contain, and vent catastrophic blasts without becoming fragmentation bombs themselves. Combustible dust, volatile gases, and chemical.