HW RA890F-1288
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
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SPDT
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5" x 5" x 4-3/4"
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3 Sec
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50/60Hz
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15 Sec
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Protectorelay
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120V