Honeywell RA890F1288 protectorelay

Honeywell RA890F1288 protectorelay

分类: Protectorelay 当前有货
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Specifications
  • Product Details: Voltage: 120 Vac Flame failure response time: 3 sec Alarm relay switching: SPDT Safety switch timing: 15 sec
  • Honeywell RA890F1288 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) Frequency: 50 Hz; 60 Hz Temperature Range: 60 Hz models -20°F to +115°F, 50 Hz models -20°F to +105°F (50 Hz Models -29°C to +41°C, 60 Hz Models -29°C to +46°C) Approximate, Dimensions: 5 in. high x 5 in. wide x 4 3/4 in. deep (including subbase) (127 mm high x 127 mm wide x 121 mm deep (including subbase)) 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 Approvals, Factory Mutual: Approved: Report No. 17678, 19417, 19784
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