Catalog > Edwards SIGA-SD Fire Alarm System Duct D...

Verified: January 13, 2026

Edwards SIGA-SD Fire Alarm System Duct Detector

~$48.99

The Edwards SIGA-SD is a duct smoke detector designed to sense smoke in HVAC ducts and activate the fire alarm system.

Key Specifications

  • Compatibility: Edwards fire alarm panels
  • Voltage: 24 VDC
  • Type: Duct Smoke Detector
  • Sensitivity: Adjustable
  • Operating Temperature: 32°F to 120°F
  • Mounting: Typically installed in HVAC ductwork
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