Eaton's Crouse-Hinds series MEDC HD1 heat detector range is suitable for fire alarm and/or suppression systems in offshore and onshore applications, including paint spray booths, flammable material stores, turbine rooms, extract ductwork and other hazardous areas throughout the oil and gas, petrochemical and process industries. Comprises a Fenwal rate-compensated detector with all-stainless steel external construction, mounted to either a type SM87 marine grade alloy enclosure (Ex d version) or JB10 corrosion-free GRP enclosure (Ex ia, Ex em/UL versions). The contact in the detector CLOSES at alarm temperature.