Kidde-Fenwal 27120-22-225
Kidde-Fenwal 27120-22-225
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The Kidde-Fenwal 27120-22-225 is a rate-compensated heat detector set at 225°F for fire detection and automatic suppression system activation. This detector combines the responsiveness of rate-of-rise detection with the stability of fixed-temperature operation, providing early warning of developing fires while preventing false alarms from slow temperature changes. With a 75-year history of proven reliability, the Detect-A-Fire (D-A-F) series detector is widely trusted in industrial, commercial, and warehouse fire protection systems for releasing clean agents, CO2, water, or dry chemical suppressants.
Key Features
- Rate-compensated dual-response design (fixed + rate-of-rise)
- 225°F temperature setpoint for high-temperature areas
- Stainless steel hex-head design for corrosion resistance
- NC (normally closed) contact for release applications
- UL and FM approved for suppression systems
Technical Specifications
- Fixed temperature: 225°F (107°C) activation
- Rate-of-rise: Additional alarm at 15°F/minute increase
- Contact: Normally closed, 5A @ 125/250VAC or 30VDC
- Response: Hermetically sealed bellows element
- Mounting: Threaded for direct installation on conduit
- Operating range: -40°F to 250°F continuous
Certifications
- UL 521 Listed heat-sensitive fire detector
- FM Approved for suppression system release
- NFPA 72 heat detector standard
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