Schneider Emergency stop head, metal, red, Ø 22Illuminated metallic complete unit with contact function. It combines simplicity of installation, flexibility, and robustness. It meets the requirements of the majority of industrial applications. Harmony XB4 range includes Head for emergency switching off push button which has Chromium plated metal bezel material, red mushroom 40 mm, unmarked, operator profile. It also consists of a trigger action and mechanical latching operator, round shape of