Catalog > SYSTEM SENSOR 5251EM HEAT DETECTOR FREE ...

Verified: January 13, 2026

SYSTEM SENSOR 5251EM HEAT DETECTOR FREE SHIP

~$39.99

The System Sensor 5251EM is a heat detector designed to sense abnormally high temperatures and trigger an alarm in fire alarm systems.

Key Specifications

  • Compatibility: Compatible with most fire alarm control panels
  • Operating Temperature: 140°F (60°C)
  • Response Time: Dependent on rate of temperature rise
  • Mounting: Standard electrical backbox
  • Voltage: 12-24 VDC
  • Type: Rate-of-Rise Heat Detector
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