DESCRIPTION The Ex-protection series pushbuttons are suitable for the use with M.A.M. Ex-d enclosures which can be installed in the industrial plants with potentially hazardous atmosphere classified as Zone 1 and Zone 2 for gases and Zone 21 and Zone 22 for combustible dusts. Typically utilized on the enclosures for custom control applications. Installation is easy and secured. Regarding to enclosure wall thickness, two different lengths are avaliable. Both pushbutton body and the drive shaft are made in stainless steel to ensure operational reliability and a longer lifetime Possibility of having two or more contacts. Available button colors are Red, Green, Yellow, Blue, Black and White Supplied fully with contact block.