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Home --> System Sensor
5451EIS conventional intrinsically safe rate of rise
  • General
  • Feature
  • Specification
Model 5451EIS is an intrinsically safe rate of rise detector with fixed temperature alarm. It uses stateof-the-art dual thermistor technology to provide maximum sensitivity. This detector is designed to afford open area protection and is for use in hazardous areas where potentially explosive atmospheres are likely to arise (confirm classification of equipment required with your responsible authority). Model 5451EIS detectors are designed to be used with compatible panels only. Each detector has remote LED annunciator capabilility as well as two LEDs to provide a local visual indication of detector status. Once the detector senses a fire, it latches in alarm and remains in this condition until it is reset by a momentary power interruption. Model 5451EIS rate of rise detectors include a tamper feature that prevents removal from their mounting base (if enabled) without the use of a tool. In addition, these detectors can be easily tested by activating an internal reed switch with a test magnet.
  • Sleek low profile design
  • Low current draw
  • Remote LED option
  • Simple plug-in installation
  • Compatible with standard B401mounting base
  • Built-in test switch
  • Tamper-resistant
  • Suitable for use in Zone 0
  • Approved for use with Zener safetybarriers or galvanic isolators
  • BASEEFA approval to EEX ia IIC T5
  • Tested and approved to EN54-5, grade 1
Electrical Operating Voltage: 15 to 32VDC Standby Current (maximum): 100μA at 24VDC Latching alarm reset by momentary power interruption Environmental Operating Temperature Range: –10°C to 43°C Sensitivity 60°C Operating Humidity Range: 10% to 93% Relative Humidity IP Ratings: On application Intrinsic Safety Rating: EEx ia IIB T5 Mechanical Height: 54mm Diameter: 104mm Weight: 80g (excluding base) Product Range Compatible bases: B401, B401DG