Catalog > NEW FACTORY SEALED EDWARDS 281B-PL 135° ...

Verified: January 13, 2026

NEW FACTORY SEALED EDWARDS 281B-PL 135° Fixed Temperature HEAT DETECTOR

~$35.00

The Edwards 281B-PL is a fixed temperature heat detector used to sense high temperatures and activate fire alarm systems.

Key Specifications

  • Temperature Rating: 135°F (57°C)
  • Compatibility: Compatible with most fire alarm control panels
  • Operating Voltage: Typically 12-24 VDC
  • Type: Fixed Temperature Heat Detector
  • Mounting: Standard electrical junction box
  • Response Time: Activates within seconds upon reaching set temperature
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