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RA890F1478/U | Honeywell | 120/60HZ, 15 SEC SS, 0.8 SEC FLAME RESPONSE, SPDT ALARM CONTACTS FAST 1K PULL-IN ON START
RA890F1478/U | Honeywell | 120/60HZ, 15 SEC SS, 0.8 SEC FLAME RESPONSE, SPDT ALARM CONTACTS FAST 1K PULL-IN ON START

RA890F1478/U | Honeywell | 120/60HZ, 15 SEC SS, 0.8 SEC FLAME RESPONSE, SPDT ALARM CONTACTS FAST 1K PULL-IN ON START

0
0
5
USD407.00
USD467.59
USD60.59(13%)
Estimated Lead Time : 8 - 10 weeks.
RA890F1478/u
Honeywell
  • : 1

NII REF No : IP111911121119
  • Estimated Lead Time: 6-8 Weeks

  • RA890F1478/U

  • 120/60HZ, 15 SEC SS, 0.8 SEC FLAME RESPONSE, SPDT ALARM CONTACTS FAST 1K PULL-IN ON START

  • 120 Vac Protectorelay®

  • Primary control 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.

  • Mounts and removes easily through use of captive mounting screws.

  • Mounting base is made of strong thermoplastic.

  • Application: Primary control for rectification application (Flame Rod for example)

  • Dimensions (in.): 5 in. high x 5 in. wide x 4 3/4 in. deep (including subbase)

  • Dimensions (mm): 127 mm high x 127 mm wide x 121 mm deep (including subbase)

  • Temperature Range (F): 60 Hz models -20 F to +115 F,50 Hz models -20 F to +105 F

  • Temperature Range (C): 50 Hz Models -29 C to +41 C,60 Hz Models -29 C to +46 C

  • Frequency: 50 Hz; 60 Hz

  • Approvals, Underwriters Laboratories Inc.: UL Listed: 120V models only; File No. MP268, Guide No. MCCZ

  • Approvals, CSA: CSA Certified: 120V models only; File No. LR1620

  • Voltage: 120 Vac

  • Flame Failure Response Time (sec): 0.8 sec

  • Safety Switch Timing: 15 seconds

  • Alarm Relay Switching: SPDT

  • Approvals, Factory Mutual: Approved: Report No. 17678,19417,19784

  • Shipping Weight: 2 kg
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