Made of die-cast aluminum and sealed with continuous silicon rubber gasket, ATX Series is rated for such explosive atmospheres as grain dust and conductive dust (Zones 21, 22) and certified to ATEX II 2 G Ex e IIC Gb and ATEX II 2 D Ex tb IIIC Db. Aluminum body is powder coated, and captive screws in cover are stainless steel. Rated for -50 to +135°C, enclosures come in 10 sizes from 2.95 x 3.15 x 2.24 in. to 14.17 x 6.30 x 3.54 in. and are UL listed and rated at IP66 per IEC 60529 standard.