Catalog > Edwards SD-ST duct detector...

Verified: January 13, 2026

Edwards SD-ST duct detector

~$48.23

The Edwards SD-ST duct detector is a specialized device used to detect smoke in HVAC ductwork systems to prevent the spread of fire.

Key Specifications

  • Compatibility: Compatible with Edwards fire alarm control panels
  • Voltage: 24 VDC
  • Detection Method: Photoelectric or Ionization
  • Mounting: Designed for installation in HVAC ductwork
  • Operating Temperature: Listed for use in environments from 32°F to 120°F
  • Alarm Signaling: Provides relay outputs for alarm signaling
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