{"product_id":"siemens-loa24-171b27-burner","title":"SIEMENS LOA24.171B27 Burner 220-240VAC 50-60Hz 3VA","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 1px);background-size:auto,34px 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(prefers-reduced-motion:reduce){.nxs-industrial-product-page,.nxs-industrial-product-page *,.nxs-industrial-product-page *::before,.nxs-industrial-product-page *::after{transition:none !important;}}\u003c\/style\u003e\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\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\u003eLOA24.171B27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eBurner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eOil Burner Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMains Voltage\u003c\/td\u003e\n\u003ctd\u003eAC 220 V -15% to AC 240 V +10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMains Frequency\u003c\/td\u003e\n\u003ctd\u003e50-60 Hz ±6%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 3 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgnition Safety Time\u003c\/td\u003e\n\u003ctd\u003eMax. 10 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrepurge Time\u003c\/td\u003e\n\u003ctd\u003e13 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreignition Time\u003c\/td\u003e\n\u003ctd\u003e13 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLong Postignition Time\u003c\/td\u003e\n\u003ctd\u003e15 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterval to Release of BV2\u003c\/td\u003e\n\u003ctd\u003e15 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP40, ensured through mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 180 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003eOil Burner Control\u003c\/h3\u003e\n\u003cp\u003eDesigned for the startup, supervision and control of single-stage or two-stage forced-draft oil burners in intermittent operation.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e220-240VAC Supply\u003c\/h3\u003e\n\u003cp\u003eThe documented mains supply range is AC 220 V -15% to AC 240 V +10%.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e50-60Hz Operation\u003c\/h3\u003e\n\u003cp\u003eThe specified mains frequency is 50-60 Hz with a tolerance of ±6%.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e10s Safety Time\u003c\/h3\u003e\n\u003cp\u003eThe LOA24.171B27 has a maximum ignition safety time of 10 seconds.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFlame Supervision\u003c\/h3\u003e\n\u003cp\u003eYellow-burning flames can be supervised with QRB photoresistive detectors, while blue-burning flames can be supervised with QRC blue-flame detectors.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003ePlug-In Design\u003c\/h3\u003e\n\u003cp\u003eThe burner control uses a plug-in housing design and engages in its matching base.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eForced-draft oil burner control\u003c\/li\u003e\n\u003cli\u003eSingle-stage oil burner systems\u003c\/li\u003e\n\u003cli\u003eTwo-stage oil burner systems\u003c\/li\u003e\n\u003cli\u003eIntermittent burner operation\u003c\/li\u003e\n\u003cli\u003eOil burner startup sequencing\u003c\/li\u003e\n\u003cli\u003eOil burner flame supervision\u003c\/li\u003e\n\u003cli\u003eOil atomization burner systems\u003c\/li\u003e\n\u003cli\u003eBurner control maintenance projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the SIEMENS LOA24.171B27 Burner. 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\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is SIEMENS LOA24.171B27?\u003c\/strong\u003e\u003cbr\u003eSIEMENS LOA24.171B27 is an oil burner control used for startup, supervision and control of single-stage or two-stage forced-draft oil burners in intermittent operation.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat mains voltage does LOA24.171B27 use?\u003c\/strong\u003e\u003cbr\u003eThe documented mains voltage range is AC 220 V -15% to AC 240 V +10%.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat mains frequency is specified?\u003c\/strong\u003e\u003cbr\u003eThe specified mains frequency is 50-60 Hz with a tolerance of ±6%.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the power consumption of LOA24.171B27?\u003c\/strong\u003e\u003cbr\u003eThe documented power consumption is approximately 3 VA.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ignition safety time?\u003c\/strong\u003e\u003cbr\u003eThe maximum ignition safety time is 10 seconds.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat are the documented sequence times?\u003c\/strong\u003e\u003cbr\u003eThe type data lists a 13-second prepurge time, 13-second preignition time, 15-second long postignition time and a 15-second interval from flame establishment to release of BV2.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat flame detectors can be used for flame supervision?\u003c\/strong\u003e\u003cbr\u003eSiemens documentation describes QRB photoresistive detectors for yellow-burning flames and QRC blue-flame detectors for blue-burning flames.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat degree of protection is specified?\u003c\/strong\u003e\u003cbr\u003eThe documented degree of protection is IP40 and must be ensured through mounting.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the approximate weight?\u003c\/strong\u003e\u003cbr\u003eThe documented unit weight is approximately 180 g.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat applications can LOA24.171B27 be considered for?\u003c\/strong\u003e\u003cbr\u003eIt can be considered for startup, supervision and control functions in applicable forced-draft oil burner systems after the burner design and technical requirements have been checked.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering?\u003c\/strong\u003e\u003cbr\u003eCheck the complete model number, mains voltage, burner configuration, flame detector requirements, sequence timing and installation requirements against the existing system documentation.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be verified before using it in an existing system?\u003c\/strong\u003e\u003cbr\u003eElectrical, flame-supervision, timing, mounting and system requirements should be verified against the existing burner documentation before use.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":46716228436047,"sku":"CL5-SIEMENS-LOA24.171B27","price":20.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/LOA24.171B27.jpg?v=1788745565","url":"https:\/\/yunshuotrade.com\/products\/siemens-loa24-171b27-burner","provider":"yunshuotrade","version":"1.0","type":"link"}