1 Ex e II T5 DIP A21 TA,T5 2 Zone 1 and zone 2, zone 21 and 22 3 IP66 4 SS304, SS316 or SS316L  Different sizes(LxWxH) according to your requirement, design for your special need. 2.  Built-in terminals:UK terminal 2.5~35mm2  

             terminal block 4/6/8/16x(2x10mm2)   

    3.  Cable entries: holes to be opened on the top, at the bottom,on left or right

    4.  With plastic/metal cable glands or stopping plugs, from M16 to M63

    5.  With mounting plate

    6. The wall thickness is 1.5mm, 3mm or the other size you want

      

Terminal/junction box, explosion-proof, stainless steel