The E2S GNExH1 globally certified heat detector provides a comprehensive solution suitable for the harshest of environments. Featuring the D-A-F rate compensated heat detector elements with stainless steel casing and hermetically sealed contacts. The GNExH1 is approved for Class I Zone 1 AEx db eb, Ex db eb increased safety, Class I/II Div 2 applications with a high temperature version rated to 105°C plus versions certified as intrinsically safe. Global approvals include IECEx, ATEX, UL, ULC and cUL.