Catalog > Notifier FST-851R Intelligent Heat Detec...

Verified: January 13, 2026

Notifier FST-851R Intelligent Heat Detector FST851R

~$39.90

The Notifier FST-851R is an intelligent heat detector designed to detect high temperatures and activate the fire alarm system.

Key Specifications

  • Compatibility: Notifier intelligent fire alarm control panels
  • Operating Temperature: 140°F (60°C)
  • Voltage: 15-32 VDC
  • Current: Standby: 300μA, Alarm: 450μA
  • Type: Intelligent Heat Detector
  • Mounting: Standard 4-inch octagonal or 4-inch square electrical box
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