{"product_id":"rm7850a1019-honeywell-flame-safeguard-rm7850-burner-relay-module","title":"RM7850A1019 Honeywell Flame Safeguard RM7850 Burner Relay Module","description":"\u003ch3\u003e\n\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eRM7850A1019\u003c\/span\u003e\u003c\/strong\u003e Industrial Burner Management Platform\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eHoneywell RM7850A1019\u003c\/span\u003e\u003c\/strong\u003e belongs to the advanced RM7800 combustion safeguard series.\u003c\/p\u003e\n\n\u003cp\u003eThe module delivers reliable burner sequencing and flame supervision performance.\u003c\/p\u003e\n\n\u003cp\u003eThis platform supports industrial combustion systems requiring stable safety control architecture.\u003c\/p\u003e\n\n\u003cp\u003eThe controller combines programmable timing logic with advanced flame monitoring functions.\u003c\/p\u003e\n\n\u003cp\u003eIts modular structure simplifies integration into complex burner management systems.\u003c\/p\u003e\n\n\u003cp\u003eThe design supports demanding European combustion compliance applications.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eEngineering-Focused Product Highlights\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eHoneywell\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eRM7850A1019\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e RM7800 Flame Safeguard Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Burner Relay \/ Programming Control Module\u003c\/li\u003e\n\u003cli\u003e120 VAC operation with programmable burner sequencing\u003c\/li\u003e\n\u003cli\u003e15-second post purge timing configuration\u003c\/li\u003e\n\u003cli\u003eIntegrated LHL, LF, and HF proving functions\u003c\/li\u003e\n\u003cli\u003eFive LED indicators for operational sequence monitoring\u003c\/li\u003e\n\u003cli\u003eRun\/Test switch supports commissioning diagnostics\u003c\/li\u003e\n\u003cli\u003eSupports interchangeable flame signal amplifiers\u003c\/li\u003e\n\u003cli\u003eNonvolatile memory preserves fault history records\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Honeywell flame detectors\u003c\/li\u003e\n\u003cli\u003eSupports optional local or remote annunciation\u003c\/li\u003e\n\u003cli\u003eFlexible airflow verification configuration\u003c\/li\u003e\n\u003cli\u003eSIL 3 capable safety integration support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eRM7850A1019\u003c\/span\u003e\u003c\/strong\u003e performs exceptionally in mission-critical combustion systems.\u003c\/p\u003e\n\n\u003cp\u003eIndustrial engineers value its reliable flame safeguard architecture and sequence integrity.\u003c\/p\u003e\n\n\u003cp\u003eThe module reduces startup instability during burner ignition procedures.\u003c\/p\u003e\n\n\u003cp\u003eIts fault memory system improves troubleshooting efficiency during maintenance operations.\u003c\/p\u003e\n\n\u003cp\u003eThe platform supports long operational cycles with stable electrical performance.\u003c\/p\u003e\n\n\u003cp\u003eTechnicians frequently deploy this model in retrofit combustion safety projects.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eRecommended Equipment Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eIndustrial gas burner systems\u003c\/li\u003e\n\u003cli\u003eBoiler combustion management equipment\u003c\/li\u003e\n\u003cli\u003eThermal oxidizer systems\u003c\/li\u003e\n\u003cli\u003eIndustrial furnace automation panels\u003c\/li\u003e\n\u003cli\u003eHeat treatment processing lines\u003c\/li\u003e\n\u003cli\u003eProcess heating applications\u003c\/li\u003e\n\u003cli\u003eCommercial combustion control cabinets\u003c\/li\u003e\n\u003cli\u003eMulti-burner sequencing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAdvanced Technical Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 120 VAC (+10% \/ -15%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Frequency:\u003c\/strong\u003e 50\/60 Hz (±10%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Module Power Dissipation:\u003c\/strong\u003e 10W maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Connected Load:\u003c\/strong\u003e 2000 VA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Fuse Rating:\u003c\/strong\u003e 15A SC type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot Flame Establishing Period:\u003c\/strong\u003e 3 or 5 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Flame Establishing Period:\u003c\/strong\u003e 3 seconds, 5 seconds, or intermittent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost Purge Timing:\u003c\/strong\u003e 15 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Check:\u003c\/strong\u003e User selectable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot Configuration:\u003c\/strong\u003e Interrupted pilot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond Stage Pilot Valve:\u003c\/strong\u003e Intermittent operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +66°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity Tolerance:\u003c\/strong\u003e 85% RH non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e 0.5G environment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Compliance:\u003c\/strong\u003e FCC Part 15 Class B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Level:\u003c\/strong\u003e SIL 3 capable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Capability:\u003c\/strong\u003e Remote annunciation support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Type:\u003c\/strong\u003e Nonvolatile operational memory\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.73 kg unpacked\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCombustion System Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe module requires compatible Honeywell subbases and flame amplifiers.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible with Q7800A universal wiring subbase\u003c\/li\u003e\n\u003cli\u003eCompatible with Q7800B universal wiring subbase\u003c\/li\u003e\n\u003cli\u003eSupports R7847 flame signal amplifier\u003c\/li\u003e\n\u003cli\u003eSupports R7849 flame signal amplifier\u003c\/li\u003e\n\u003cli\u003eSupports R7861 flame signal amplifier\u003c\/li\u003e\n\u003cli\u003eSupports R7886 flame signal amplifier\u003c\/li\u003e\n\u003cli\u003eSupports ST7800A purge timer card integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eDiagnostic and Monitoring Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eReal-time burner sequence visualization\u003c\/li\u003e\n\u003cli\u003eIntegrated lockout monitoring system\u003c\/li\u003e\n\u003cli\u003eHistorical fault memory retention\u003c\/li\u003e\n\u003cli\u003eExternal voltage test access points\u003c\/li\u003e\n\u003cli\u003eFlame signal verification support\u003c\/li\u003e\n\u003cli\u003eOperational status LED diagnostics\u003c\/li\u003e\n\u003cli\u003eAirflow proving verification capability\u003c\/li\u003e\n\u003cli\u003eRemote fault annunciation compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompliance and Industrial Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplies with EN298 combustion standards\u003c\/li\u003e\n\u003cli\u003eGas Appliance Directive compliant\u003c\/li\u003e\n\u003cli\u003eLow Voltage Directive compliant\u003c\/li\u003e\n\u003cli\u003eEMC Directive compliant\u003c\/li\u003e\n\u003cli\u003eFactory Mutual approved\u003c\/li\u003e\n\u003cli\u003eSwiss RE acceptable\u003c\/li\u003e\n\u003cli\u003eGASTEC certified\u003c\/li\u003e\n\u003cli\u003eFCC Part 15 Class B certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Recommendations\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eInstall inside grounded industrial control cabinets.\u003c\/li\u003e\n\u003cli\u003eVerify flame detector compatibility before startup.\u003c\/li\u003e\n\u003cli\u003eUse approved purge timer configuration.\u003c\/li\u003e\n\u003cli\u003eEnsure stable airflow proving signal integrity.\u003c\/li\u003e\n\u003cli\u003eMaintain proper separation from high-noise power wiring.\u003c\/li\u003e\n\u003cli\u003eConfirm combustion sequence timing during commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping and Warranty Information\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eWorldwide delivery service available\u003c\/li\u003e\n\u003cli\u003eFast dispatch within 24-48 hours\u003c\/li\u003e\n\u003cli\u003eShipping supported by FedEx, UPS, and DHL\u003c\/li\u003e\n\u003cli\u003eIndustrial protective packaging included\u003c\/li\u003e\n\u003cli\u003e12-month warranty support provided\u003c\/li\u003e\n\u003cli\u003eTechnical assistance available after delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProfessional FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy do combustion engineers prefer programmable relay modules?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eProgrammable sequencing improves ignition reliability and operational safety consistency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow can users improve flame signal stability?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUse shielded wiring and verify grounding continuity before commissioning.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat should users consider when selecting flame amplifiers?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSelect amplifiers based on detector type and combustion response requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is nonvolatile memory valuable in burner applications?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMaintenance teams can review previous lockout conditions after unexpected shutdowns.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich application environments benefit most from SIL 3 capable architecture?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eHigh-risk industrial heating systems require enhanced functional safety integration.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45138162155702,"sku":"RM7850A1019","price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/RM7850A1019.jpg?v=1779438181","url":"https:\/\/www.plcsparehub.com\/products\/rm7850a1019-honeywell-flame-safeguard-rm7850-burner-relay-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}