Our Pushbutton Switches, used for various applications including “Emergency Stop”, are MSHA approved for explosion-proof equipment use in hostile environments where gaseous or other hazardous elements may be present. They are electrically rated up to 20 A at 600 VAC and are available with various N.O. and N.C., maintained or momentary contact configurations. The switches are available with a maximum of four glands in various sizes and configurations. The standard housings are aluminum, but are available in bronze for special applications. Sealed contacts are available for use in Intrinsically Safe circuits.