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. Equipped with a specialized hinge structure which can prevent damage to the flameproof joints when opening and closing the box and greatly prolongs the service life. The. surface plastic-sprayed on high-pressure electrostatic technique. Modular casing design, easy combination of different circuits and applications. compartment is of increased safety type. The box space is large and the wiring is clear and visible at a. 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.