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Home --> Fire Alarm Systems
  • General
  • Feature
  • Specification
The 5451E is a rate of rise, grade 1 response, thermal detector that uses state-of-the-art dual thermistor sensing circuitry to provide maximum performance and solid state reliability. These detectors are designed to be used with the M/EM Series control panels from Morley-IAS or compatible alternative control panels only. Each detector has remote LED annunciator capability as well as two LEDs to provide 360° visibility of the detector indication. These detectors can be tested by activating an internal reed switch with a test magnet. This test simulates high temperature in the detector and performs a full check of the operating circuitry. The 5451E rate of rise thermal detector is designed to meet the stringent performance requirements of industrial and commercial fire detection/alarm systems.
• Rate of rise, grade 1 response detector with 58° C fixed temperature alarm point • Low current draw • Remote LED output as standard • Simple plug-in installation • Broad range of adapter bases • Built-in test switch • Built-in tamper-resistant feature • Two alarm LEDs provide 360° visibility • LPCB approved to EN54 Part 5, grade 1 (1976)
Operating Voltage (with B401 base): 8.5 - 35 VDC (with B401R base): 15 - 35 VDC Standby Current: 100 μA Operating Temperature: -20°C to +70°C Installation Temperature: -10°C to +43°C Operating Humidity Range: 10% to 93% Relative Humidity, non condensing Sensitivity: 58°C or 8°C/min Height: 53 mm Diameter: 104 mm Weight: 150 g Latching alarm: Reset by momentary power interruption