Catalog > SYSTEM SENSOR 5251B ADDRESSABLE HEAT DET...

Verified: January 13, 2026

SYSTEM SENSOR 5251B ADDRESSABLE HEAT DETECTOR EXC COND INCLDS BASE 40 AVAL

~$39.95

The System Sensor 5251B is an addressable heat detector that is used to detect high temperatures in a specific area within a fire alarm system.

Key Specifications

  • Compatibility: Addressable fire alarm systems
  • Voltage: 24 VDC
  • Current: 40 mA maximum
  • Temperature Range: 135°F (57°C) fixed temperature
  • Coverage Area: Ideal for small rooms or areas with high temperatures
  • Included Components: Base included
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