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 & 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.
Design features
- IP66 & IP67
- Certified temperature:
–4°F to +257°F, –20°C to +125°C (Exd)*
–4°F to +131°F, –20°C to +55°C (Exem/UL)
–67°F to +131°F, –55°C to +55°C (Exia)
- Stainless steel probe
- Detector temperature settings:
60°C to 385°C, (140°F to 725°F)
- Marine grade alloy or GRP enclosure
- Optional stainless steel guard
*Model dependent
Standard materials
- Detector: Stainless steel
- Enclosures: Ex d – LM25 marine grade alloy, Ex ia/Ex em/UL – GRP (anti-static)
- Cover screws: Stainless steel
- Optional guard: 316 stainless steel