Concepteur de solutions ATEX et industrielles
Contact : +33 (0) 4 88 78 21 81




Aluminium alloy junction boxes for zone 1, 2, 21, 22

  • IIB Group – H2
  • IP 66/67
  • Cast iron hinges (except for EJB-01)
  • Available with round or square window to view analog or digital instruments
  • Low-copper aluminum alloy body and lid
  • Stainless steel lid bolts
  • Internal/external earth screws
  • RAL 7035 polyester coating
  • Galvanized steel mounting supports
  • Silicone seal

The EJB series junction boxes are suitable for installation in all areas of a plant at risk of explosion and/or classified zone 1, 2, 21, 22. The quality of this product is recognized and appreciated worldwide for its aluminum alloy and the mechanical properties of its finishes. The EJB series is mainly used as a box to transport bollards and sets of bars, fuse holders, transformers, reactors and gates, although it is also used to produce control and signalling cards, lighting and power cards, satellite and engine departure boxes with various configurations.


Body and lid: low-copper aluminum alloy
Hinges: cast iron (except for EJB-01), stainless steel for new models
Lid handle: black-painted steel for EJB-6, 6B and EJB-7, 7B
Gasket: silicone resistant to acids, hydrocarbons and high temperatures, located between the body and the lid
Certification label: adhesive label located inside on empty cases; riveted aluminum label on the lid for other versions
Bolts and screws: stainless steel
Earth screw: M6 stainless steel Inside and outside the body and on the lid with anti-rotation supports
Mounting supports: electrozing steel (aluminum cast iron feet for AQS-1)
Covering: Polyester coating RAL 7035 (light grey)
Corrosion: The aluminum alloy used passed the tests required by EN 60068-2-30 (hot/wet cycles) and EN 60068-2-11 (salt fog tests)


A2S (Advanced Safety Solutions) 350 Avenue JRGG de la Lauzière 31 Parc du Golf - CS 90519 13593 Aix en Provence Cedex 3


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