{"product_id":"ziehl-abegg-rh31m-4dk2c1r-fan","title":"ZIEHL-ABEGG RH31M-4DK.2C.1R Centrifugal Fan 400 VAC 310 mm","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\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\u003eZIEHL-ABEGG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eRH31M-4DK.2C.1R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eCentrifugal Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Type\u003c\/td\u003e\n\u003ctd\u003eSingle-Inlet Centrifugal Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpeller Design\u003c\/td\u003e\n\u003ctd\u003eBackward-Curved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e310 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Technology\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e3-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e400 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Pole Count\u003c\/td\u003e\n\u003ctd\u003e4-Pole\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\u003e310 mm Centrifugal Fan\u003c\/h3\u003e\n\u003cp\u003eThe RH31M-4DK.2C.1R belongs to the ZIEHL-ABEGG M Series and uses a 310 mm nominal centrifugal impeller configuration.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eBackward-Curved Impeller\u003c\/h3\u003e\n\u003cp\u003eThe M Series design uses a single-inlet backward-curved centrifugal impeller for industrial air-moving applications.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eThree-Phase AC Motor\u003c\/h3\u003e\n\u003cp\u003eThe documented model configuration uses a three-phase AC external rotor motor with a 4-pole design.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e400 VAC Operation\u003c\/h3\u003e\n\u003cp\u003eThe model is associated with a 400 VAC three-phase electrical configuration at 50 Hz.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eM Series Configuration\u003c\/h3\u003e\n\u003cp\u003eThe RH31M designation identifies a centrifugal motor impeller configuration within the ZIEHL-ABEGG M Series.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eModel Verification\u003c\/h3\u003e\n\u003cp\u003eThe complete RH31M-4DK.2C.1R designation and electrical rating plate should be checked against the existing installation before ordering.\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\u003eIndustrial ventilation systems\u003c\/li\u003e\n\u003cli\u003eAir-conditioning equipment\u003c\/li\u003e\n\u003cli\u003eRefrigeration equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery cooling\u003c\/li\u003e\n\u003cli\u003eAir handling equipment\u003c\/li\u003e\n\u003cli\u003eProcess ventilation systems\u003c\/li\u003e\n\u003cli\u003eIndustrial air circulation\u003c\/li\u003e\n\u003cli\u003eCentrifugal fan system maintenance\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 ZIEHL-ABEGG RH31M-4DK.2C.1R Centrifugal Fan. 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 ZIEHL-ABEGG RH31M-4DK.2C.1R?\u003c\/strong\u003e\u003cbr\u003eIt is an M Series single-inlet centrifugal fan with a backward-curved impeller.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the nominal fan size?\u003c\/strong\u003e\u003cbr\u003eThe RH31M model designation corresponds to a nominal impeller size of approximately 310 mm.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat type of impeller does RH31M-4DK.2C.1R use?\u003c\/strong\u003e\u003cbr\u003eThe documented M Series configuration uses a backward-curved centrifugal impeller.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat power supply is used?\u003c\/strong\u003e\u003cbr\u003eThe model is associated with a three-phase AC power supply.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the rated voltage?\u003c\/strong\u003e\u003cbr\u003eThe documented electrical configuration is 400 VAC at 50 Hz.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eHow many motor poles are used?\u003c\/strong\u003e\u003cbr\u003eThe 4DK motor designation corresponds to a 4-pole AC motor configuration.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhy are current and power input not listed?\u003c\/strong\u003e\u003cbr\u003eConsistent exact-model values for current and power input were not confirmed sufficiently to include them in the technical table.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhy is fan speed not listed?\u003c\/strong\u003e\u003cbr\u003eA sufficiently consistent exact-model speed value was not confirmed for RH31M-4DK.2C.1R.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan this fan be used in ventilation equipment?\u003c\/strong\u003e\u003cbr\u003eThe centrifugal design is suitable for industrial air-moving applications, subject to the airflow, pressure and installation requirements of the equipment.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan a similar RH31M model be selected instead?\u003c\/strong\u003e\u003cbr\u003eSimilar RH31M variants can have different motors and electrical characteristics, so the complete model designation should be checked before selection.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eShould mounting dimensions be checked?\u003c\/strong\u003e\u003cbr\u003eYes. Confirm mounting dimensions, impeller arrangement and available installation space against the existing system.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering RH31M-4DK.2C.1R?\u003c\/strong\u003e\u003cbr\u003eCheck the complete model number, 400 VAC three-phase supply, 50 Hz frequency, nominal size, mounting arrangement and existing system requirements before purchasing.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"ZIEHL-ABEGG","offers":[{"title":"Default Title","offer_id":46380801163343,"sku":"CL5-ZIEHL-ABEGG-RH31M-4DK.2C.1R","price":867.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/RH31M-4DK.2C.1R.jpg?v=1786357648","url":"https:\/\/yunshuotrade.com\/products\/ziehl-abegg-rh31m-4dk2c1r-fan","provider":"yunshuotrade","version":"1.0","type":"link"}