Given the device's IP65 rating, found in the datasheet, it exceeds the minimum requirement of IP5X for use in Zone 22, highlighting its effectiveness against dust ingress, including conductive dust. 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 sturdy solutions are certified according to global standards such as ATEX, IECEx. This guide explains the major certification systems and breaks down the meanings behind their explosion proof ratings so you can choose the right equipment with confidence. What Are Explosion Proof Ratings? Not all hazardous areas are the same, and equipment that's safe in one environment may not. GR Type Conduit Outlet Box, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, Unilet, GRT Hub Type. Includes: Internal Ground Screw and O-Ring, Internally Threaded Surface Cover with 3. The company has the right to self-export and it is a member of the first-level supply network of China National Petroleum Corporation, a member of China Petrochemical Material Resource Market, and a supplier of China National. These explosion proof junction boxes / terminal boxes, plugs, sockets & connectors are for use in explosive atmospheres in compliance with the ATEX 94/9/EC Directive and IEC.