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Edwards S1122

UL-Certified Heat-Automatic Fire Detectors

 

The Edwards S1122 identifier corresponds to UL-certified heat-automatic fire detectors manufactured by Edwards/Kidde Commercial. These devices, such as the 281B-PL model, are 135°F fixed temperature and rate-of-rise heat detectors, commonly used for fire detection in, for example, commercial settings 

 

Details :

 

• Product Type: Fixed temperature/rate-of-rise heat detectors.
• Listing: UL certified for fire detection in the U.S. and Canada (Document: UQGS.S1122 / UQGS7.S1122).
• Model Examples: 281B-PL, 282B-PL (135°F or 194°F models).
• Application: Generally used in fire alarm systems requiring localized heat detection, often mounted on ceilings. 

These detectors are designed to trigger at fixed temperatures, for example, 135°F (

C), or via a rapid rise in temperature (rate-of-rise).