• 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.
• Mounts and removes easily through use of captive mounting screws.
• Mounting base is made of strong thermoplastic.RA890F1346 3.0 sec. Response Time Protectorrelay Primary Control, Rectification with Alarm Contacts, 120 Vac| Flame Failure Response Time (sec) | 3.0 sec |
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| Overview | Primary control provides solid state, electronic flame safeguard protection for industrial and commercial single or dual fuel burners for rectification type flame detection. |
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| Safety Switch Timing | 30 seconds |
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| Alarm Relay Switching | SPDT |
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| Application | Primary control for rectification application (Flame Rod for example) |
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| Temperature Range (F) | 60 Hz models -20 F to +115 F |
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| Temperature Range (C) | 50 Hz Models -29 C to +41 C |
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| Approvals, Underwriters Laboratories Inc | UL Listed: 120V models only; File No. MP268, Guide No. MCCZ |
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| Approvals, Canadian Standards Association | CSA Certified: 120V models only; File No. LR1620 |
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| Dimensions (in.) | 5 in. high x 5 in. wide x 4 3/4 in. deep (including subbase) |
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| Dimensions (mm) | 127 mm high x 127 mm wide x 121 mm deep (including subbase) |
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| Approvals, Factory Mutual | Approved: Report No. 17678,19417,19784 |
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Product Family
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