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. Options range from Ex d (flameproof enclosure) to Ex e (increased safety) and Ex i (intrinsically safe) right through to Ex p (pressurized housing), as well as combinations of different explosion-protection types – always bearing in mind the most efficient solution for your application. BARTEC. Safely conduct, connect and distribute energy in hazardous areas with R. Manufacture custom made Local Control Stations & Distribution Boxes, local control panel boards and stations, explosion protected control units, distribution. From its global facilities ABB manufactures a wide range of ATEX, IECEx, UL, CSA approved electrical products for hazardous area applications. Our products are approved for use in many hazardous area applications including: The new 2021 edition of our. Reliable explosion-proof control stations designed for use in hazardous environments classified as Zone 1, 2 (Gas) and Zone 21, 22 (Dust). Explosion-proof terminal boxes by HARDO provide an excellent alternative to well-known global manufacturers, offering the same (or even better) quality at a competitive price.