Spectrex 20/20MPI-R

SPECTREX Relay Output Alarm & Fault

  • Factory New
Brand: Spectrex FireAlarm.com Part #: 81371 Categories: , Manufacturer Part #: 20/20MPI-R Tags: ,


The 20/20MPI is a low cost, high performance, compact Triple IR (IR3) Flame Detector in a lightweight polycarbonate housing. It retains all the benefits of IR3 technology – long distance detection (up to 140ft / 43m) along with the highest immunity to false alarms. The IR3 detector, with its lightweight housing and low power consumption, is especially suited to indoor applications, such as airport terminals, train stations, storage areas, public buildings and many more.


Weight 0.67 lbs
Dimensions 4.7 × 4.7 × 2.9 in



  • Long distance Flame Detection (up to 140ft / 43m)
  • Large Field of View (100° horizontal / 90° vertical)
  • Highest immunity to false alarms
  • Output options (two models): Alarm and Fault relay outputs (4 wire), Stepped mA output (3 wire source)
  • RS-485 Modbus Compatible
  • Automatic and Manual Built-In-Test (BIT)
  • 3 Year Warranty


IR3 Flame Detector; based on Spectrex’s proven industrial IR3 technology
Spectrex – Data Sheet


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