The enclosures are certified Ex d IIB+H2 and Ex tb as well as "explosion-proof". They are available in many sizes, a wide range of operating elements and monitoring functions can be integrated. Rated NEMA 4/7/9 for UL and cUL Classified hazardous areas, are constructed from cast aluminum and is available in sizes ranging from 06" x 08” x 04” to 32” x 36” x 12”. Safely conduct, connect and distribute energy in hazardous areas with R. Our products are certified for installation technologies all over the. The enclosure series EJB forms the optimal basis for the application-specific configuration of terminal boxes, control stations as well as control and distribution panels. STAHL's 8252 series terminal boxes are suitable for all Ex d applications, including with electronic modules and relays. They are made from a copper-free cast aluminium alloy. Extol International are the leading suppliers of Control Panels & Distribution Boards for hazardous areas and explosive atmospheres – a comprehensive range of Explosion Proof control panels are available with ATEX certification and explosion protection to Ex d / Ex'de concept suitable for Zone 1.