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System Sensor

5151 Plug-In Thermal Detector

5151 plug-in thermal detectors initiate an alarm in response to both rapid rate-of-rise conditions (increases in excess of 15 °F per minute) and fixed heat (135 °F).

5151 plug-in thermal detectors meet the needs for applications where rapid response is vital and rapid temperature increases would only be caused by a fire emergency. The detectors initiate an alarm in response to both rapid rate-of-rise conditions (in excess of 15 °F per minute) and fixed heat (135 °F). This enables the heat detector to communicate an alarm to the central control panel prior to reaching its fixed setpoint for high rates-of-rise, providing a timely response to both rapid and slow temperature increases.

Features & Benefits:
  • Low standby current
  • Compatible with 400 Series
  • Two visible LEDs blink in standby and provide a 360° field viewing angle
  • Detector head plugs easily into base
  • Built-in test switch
  • Wide variety of mounting bases with built-in shorting spring
Certifications:
  • UL
  • FM
Image
SKU
Description
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5151..
HEAT DETECTOR FIXED/RATE OF RISE