The Notifier, Honeywell, System Sensor or Pertronic 5151 Series of collective / conventional heat detectors feature a thermistor to provide reliable detection of heat that is typically caused by a flaming fire.

These detectors feature dual red LEDs and is compatible with the B401 System Sensor Collective/Conventional Detector Base.

Variants

• 5151RAUS: Conventional heat detector, Rate-of-Rise, 63°C, Class A2R
  Model 5151RAUS is a low temperature heat detector featuring both fixed temperature and rate-of-rise operation for use in areas below 50°C without rapid temperature increases.
  
• 5151AUS: Conventional heat detector, Fixed Temperature 63°C, Class A2
  Model 5151AUS is a low temperature heat detector featuring fixed temperature operation for use in areas below 50°C where rapid temperature changes may occur.
  
• 5151RHAUS: Conventional heat detector, Rate-of-Rise, 90°C, Class CR
  Model 5151RHAUS is a high temperature heat detector featuring both fixed temperature and rate-of-rise operation for use in areas below 80°C without rapid temperature increases.
  
• 5151HAUS: Conventional heat detector, Fixed Temperature 90°C, Class C
  Model 5151HAUS is a high temperature heat detector featuring fixed temperature operation for use in areas below 80°C where temperature changes may occur.
  

Specifications

• Options include both rate of rise and/or fixed temperature operation.
• Available in low temperature (63˚C) or high temperature (90˚C).
• Compatible with 100 and 400 series products.
• Dual LED design provides 360° viewing angle.
• Thermistor sensing technology.
• Uses universal B401 plug in base.
• Low profile.
• Built-in functional test switch activated by external magnet.
• 12/24VDC operation.