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HW RA890F-1288

120/50-60 15 SEC SS SPDT AL

Supplier Part #: RA890F1288/U

Primary Control, Protectorelay 3.0sec Response Rectification

Product Info

Commercial/Industrial Electromechanical Burner Controls

RA890F Protectorelay Primary Control - Rectification Flame Detection

  • Provides solid state electronic flame safeguard protection for industrial
    and commercial single or dual fuel burners for rectification type flame detection
  • Uses rectification principle of electronic flame detection
  • Replaces RA890E in most applications and mounts on same Q270A1024 subbase
  • Recycles if flame signal lost while in Run
  • Failure to establish pilot results in a lockout
  • Safe-start check prevents start-up if flame-simulating failure occurs in
    flame detector circuit
  • Includes built-in protection against ignition crossover in flame rod systems
  • Includes SPDT alarm contacts
  • Solid state circuitry
  • Mounting base is made of strong thermoplastic
  • Mounts and removes through use of captive mounting screws
  • Frequency: 50/60Hz
  • Temperature range: -20° to 105°F (-29° to 41°C) @ 50Hz
    -20° to 115°F (-29° to 46°C) @ 60 Hz
  • Factory Mutual Approved
  • UL Listed, CSA certified


Item Specifications

  • SPDT
  • 5" x 5" x 4-3/4"
  • 3 Sec
  • 50/60Hz
  • 15 Sec
  • Protectorelay
  • 120V