{"product_id":"siemens-lfl1-333-controller","title":"SIEMENS LFL1.333 Burner Control 230VAC 50\/60Hz t1 31.5s TSA 3s","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-blue-3:#1784c1;--industrial-cyan:#38bdf8;--steel-blue:#dcebf5;--steel-blue-2:#edf6fb;--steel-line:#c9dce9;--surface:#ffffff;--surface-soft:#f7fbfe;--text-main:#173042;--text-muted:#5e7382;--shadow-soft:0 10px 30px rgba(8,47,73,0.08);--shadow-hover:0 16px 36px rgba(8,79,124,0.15);--radius-lg:14px;--radius-md:10px;}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}.nxs-industrial-product-page{background-color:#f3f8fb;background-image:linear-gradient(180deg,#eef6fb 0,#f7fafc 320px,#eef3f7 100%),linear-gradient(rgba(15,110,168,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,0.025) 1px,transparent 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*,.nxs-industrial-product-page *::before,.nxs-industrial-product-page *::after{transition:none !important;}}\u003c\/style\u003e\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\n\u003cdiv class=\"container\"\u003e\u003cmain\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSIEMENS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eLFL1.333\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eBurner Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eLFL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurner Type\u003c\/td\u003e\n\u003ctd\u003eGas, Oil or Dual-Fuel Forced Draft Burners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurner Operation\u003c\/td\u003e\n\u003ctd\u003eMultistage or Modulating, Intermittent Operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e220-240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMains Frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-Purge Time t1\u003c\/td\u003e\n\u003ctd\u003e31.5 s at 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Time TSA\u003c\/td\u003e\n\u003ctd\u003e3 s at 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Supervision\u003c\/td\u003e\n\u003ctd\u003eQRA2, QRA4 or QRA10 UV Flame Detector \/ Ionization Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Fuse\u003c\/td\u003e\n\u003ctd\u003e6.3 A Slow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Fuse\u003c\/td\u003e\n\u003ctd\u003eMaximum 10 A Slow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e220-240 VAC Operation\u003c\/h3\u003e\n\u003cp\u003eThe LFL1.333 burner control is specified for a 220-240 VAC supply with a mains frequency of 50\/60 Hz.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e31.5 s Pre-Purge Time\u003c\/h3\u003e\n\u003cp\u003eThe documented pre-purge time t1 for the LFL1.333 is 31.5 seconds at a mains frequency of 50 Hz.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e3 s Safety Time\u003c\/h3\u003e\n\u003cp\u003eThe documented safety time TSA is 3 seconds at a mains frequency of 50 Hz.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eFlame Supervision\u003c\/h3\u003e\n\u003cp\u003eFlame supervision can be implemented with specified QRA2, QRA4 or QRA10 UV flame detectors or an ionization probe.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eForced Draft Burner Control\u003c\/h3\u003e\n\u003cp\u003eThe LFL1 series is designed for control and supervision of gas, oil or dual-fuel forced draft burners of medium to high capacity.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eMultistage or Modulating Burners\u003c\/h3\u003e\n\u003cp\u003eThe burner control is intended for multistage or modulating burners operating intermittently.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGas forced draft burners\u003c\/li\u003e\n\u003cli\u003eOil forced draft burners\u003c\/li\u003e\n\u003cli\u003eDual-fuel forced draft burners\u003c\/li\u003e\n\u003cli\u003eMedium to high capacity burners\u003c\/li\u003e\n\u003cli\u003eMultistage burner control\u003c\/li\u003e\n\u003cli\u003eModulating burner control\u003c\/li\u003e\n\u003cli\u003eDirect spark flame burner systems\u003c\/li\u003e\n\u003cli\u003eInterrupted pilot burner systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the SIEMENS LFL1.333 Burner Control. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is SIEMENS LFL1.333?\u003c\/strong\u003e\u003cbr\u003eSIEMENS LFL1.333 is a burner control for control and supervision of forced draft burner applications.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat burner types can LFL1.333 be used with?\u003c\/strong\u003e\u003cbr\u003eThe LFL1 series is intended for gas, oil or dual-fuel forced draft burners of medium to high capacity.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat supply voltage does LFL1.333 use?\u003c\/strong\u003e\u003cbr\u003eThe documented supply voltage for the standard version is 220-240 VAC.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mains frequency does LFL1.333 support?\u003c\/strong\u003e\u003cbr\u003eThe documented mains frequency is 50\/60 Hz.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the pre-purge time of LFL1.333?\u003c\/strong\u003e\u003cbr\u003eThe documented pre-purge time t1 is 31.5 seconds at 50 Hz.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the safety time TSA of LFL1.333?\u003c\/strong\u003e\u003cbr\u003eThe documented safety time TSA is 3 seconds at 50 Hz.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat flame supervision methods are specified for the LFL1 series?\u003c\/strong\u003e\u003cbr\u003eFlame supervision is specified using QRA2, QRA4 or QRA10 UV flame detectors or an ionization probe.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan LFL1.333 be used with modulating burners?\u003c\/strong\u003e\u003cbr\u003eYes. The LFL1 series is intended for universal use with multistage or modulating burners in intermittent operation.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan LFL1.333 be considered for dual-fuel burners?\u003c\/strong\u003e\u003cbr\u003eYes. Dual-fuel forced draft burner applications are included in the documented LFL1 use cases.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the power consumption of the LFL1 burner control?\u003c\/strong\u003e\u003cbr\u003eThe documented power consumption is 3.5 VA.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the documented operating temperature range?\u003c\/strong\u003e\u003cbr\u003eThe operating temperature range is -20°C to +60°C.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering LFL1.333?\u003c\/strong\u003e\u003cbr\u003eCheck the complete model designation, supply voltage, mains frequency, burner type, control sequence, timing requirements, flame supervision method and system requirements before ordering.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":46494848188495,"sku":"GJL-SIEMENS-LFL1.333","price":229.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/LFL1.333.jpg?v=1787731416","url":"https:\/\/yunshuotrade.com\/products\/siemens-lfl1-333-controller","provider":"yunshuotrade","version":"1.0","type":"link"}