{"product_id":"rosenberg-dkhr450-4sw1386fa-centrifugal-fan-380v-24a-105kw-8wires","title":"Rosenberg DKHR450-4SW.138.6FA centrifugal fan 380V 2.4A 1.05KW 8wires","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e \u003cmeta name=\"description\" content=\"ROSENBERG DKHR450-4SW.138.6FA industrial centrifugal fan: 1.5\/0.8\/0.8kW triple-power, 1670\/1425\/1418 rpm, 3~380\/400\/440V operation. German-engineered for exceptional 10+ year durability, ultra-quiet performance, high airflow efficiency, and energy-saving operation across global industrial applications.\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        * {\n            margin: 0;\n            padding: 0;\n            box-sizing: border-box;\n        }\n        \n        body {\n            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;\n            line-height: 1.6;\n            color: #333;\n            background-color: #f9f9f9;\n            padding: 20px;\n        }\n        \n        .product-container {\n            max-width: 1200px;\n            margin: 0 auto;\n            background: white;\n            border-radius: 10px;\n            box-shadow: 0 2px 20px rgba(0,0,0,0.1);\n            overflow: hidden;\n        }\n        \n        .product-header {\n            background: linear-gradient(135deg, #283593 0%, #3949ab 100%);\n            color: white;\n   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0.9;\n            max-width: 700px;\n            margin: 0 auto;\n            line-height: 1.5;\n        }\n        \n        .benefits-section {\n            padding: 50px 30px;\n            background: #fff;\n        }\n        \n        .section-title {\n            text-align: center;\n            font-size: 1.8em;\n            color: #283593;\n            margin-bottom: 40px;\n            font-weight: 600;\n        }\n        \n        .benefits-grid {\n            display: grid;\n            grid-template-columns: repeat(4, 1fr);\n            gap: 25px;\n            margin-top: 20px;\n        }\n        \n        .benefit-card {\n            background: #f8f9fa;\n            border-radius: 8px;\n            padding: 25px 20px;\n            border-top: 4px solid #283593;\n            text-align: center;\n            transition: transform 0.3s ease, box-shadow 0.3s ease;\n            height: 100%;\n            display: flex;\n            flex-direction: column;\n        }\n        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{\n            color: #3949ab;\n            font-weight: 700;\n            background-color: #e8eaf6;\n        }\n        \n        .high-airflow-cell {\n            color: #283593;\n            font-weight: 700;\n            background-color: #e8eaf6;\n        }\n        \n        .quiet-cell {\n            color: #7b1fa2;\n            font-weight: 700;\n            background-color: #f3e5f5;\n        }\n        \n        .durable-cell {\n            color: #f57c00;\n            font-weight: 700;\n            background-color: #fff3e0;\n        }\n        \n        .multi-voltage-cell {\n            color: #d81b60;\n            font-weight: 700;\n            background-color: #fce4ec;\n        }\n        \n        .centrifugal-cell {\n            color: #ff4081;\n            font-weight: 700;\n            background-color: #fce4ec;\n        }\n        \n        .industrial-cell {\n            color: #37474f;\n            font-weight: 700;\n            background-color: #eceff1;\n      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12px;\n            line-height: 1.4;\n        }\n        \n        .faq-answer {\n            color: #333;\n            font-size: 1.05em;\n            line-height: 1.6;\n            padding-left: 20px;\n        }\n        \n        .cta-section {\n            padding: 40px 30px;\n            background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 100%);\n            text-align: center;\n            border-radius: 10px;\n            margin: 30px;\n        }\n        \n        .cta-title {\n            font-size: 1.6em;\n            color: #283593;\n            margin-bottom: 15px;\n            font-weight: 600;\n        }\n        \n        .cta-description {\n            font-size: 1.05em;\n            color: #555;\n            max-width: 600px;\n            margin: 0 auto 25px;\n        }\n        \n        .contact-button {\n            display: inline-block;\n            background: #283593;\n            color: white;\n            padding: 14px 35px;\n            font-size: 1.05em;\n            font-weight: 600;\n            text-decoration: none;\n            border-radius: 50px;\n            transition: all 0.3s ease;\n            border: 2px solid #283593;\n            margin: 5px 10px;\n        }\n        \n        .contact-button:hover {\n            background: white;\n            color: #283593;\n            transform: translateY(-2px);\n            box-shadow: 0 5px 15px rgba(40,53,147,0.2);\n        }\n        \n        .contact-button.secondary {\n            background: #ff4081;\n            border-color: #ff4081;\n            color: white;\n        }\n        \n        .contact-button.secondary:hover {\n            background: white;\n            color: #ff4081;\n        }\n        \n        .german-badge {\n            display: inline-block;\n            background: #000;\n            color: #ff4081;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .quiet-badge {\n            display: inline-block;\n            background: #7b1fa2;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .high-airflow-badge {\n            display: inline-block;\n            background: #3949ab;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .energy-saving-badge {\n            display: inline-block;\n            background: #388e3c;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .multi-voltage-badge {\n            display: inline-block;\n            background: #d81b60;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .multi-power-badge {\n            display: inline-block;\n            background: #3949ab;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .centrifugal-badge {\n            display: inline-block;\n            background: #ff4081;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        .industrial-grade-badge {\n            display: inline-block;\n            background: #37474f;\n            color: white;\n            padding: 6px 15px;\n            border-radius: 15px;\n            font-weight: bold;\n            font-size: 0.85em;\n            margin-left: 10px;\n            vertical-align: middle;\n        }\n        \n        @media (max-width: 1024px) {\n            .benefits-grid {\n                grid-template-columns: repeat(2, 1fr);\n                gap: 20px;\n            }\n            \n            .applications-grid {\n                grid-template-columns: repeat(2, 1fr);\n            }\n        }\n        \n        @media (max-width: 768px) {\n            .product-title {\n                font-size: 2em;\n            }\n            \n            .product-subtitle {\n                font-size: 1.1em;\n            }\n            \n            .section-title {\n                font-size: 1.6em;\n            }\n            \n            .benefits-grid {\n                grid-template-columns: 1fr;\n                gap: 20px;\n            }\n            \n            .applications-grid {\n                grid-template-columns: 1fr;\n            }\n            \n            .specs-table td {\n                padding: 12px 15px;\n                display: block;\n                width: 100%;\n            }\n            \n            .specs-table td:first-child {\n                width: 100%;\n                background-color: #f0f8ff;\n                border-bottom: none;\n                padding-bottom: 5px;\n                font-weight: 700;\n            }\n            \n            .specs-table tr {\n                display: block;\n                margin-bottom: 15px;\n                border-bottom: 2px solid #e9ecef;\n                padding-bottom: 15px;\n                background: white;\n            }\n            \n            .specs-table tr:nth-child(even) {\n                background: white;\n            }\n            \n            .shipping-section, .faq-section, .cta-section, .applications-section {\n                margin: 20px 15px;\n                padding: 30px 20px;\n            }\n            \n            .faq-question {\n                font-size: 1.15em;\n            }\n            \n            .benefit-card {\n                padding: 20px 15px;\n            }\n            \n            .benefit-icon {\n                font-size: 2.5em;\n                height: 50px;\n            }\n            \n            .contact-button {\n                display: block;\n                margin: 10px auto;\n                width: 90%;\n                max-width: 300px;\n            }\n        }\n        \n        @media (max-width: 480px) {\n            body {\n                padding: 15px;\n            }\n            \n            .product-header {\n                padding: 35px 20px;\n            }\n            \n            .benefits-section, .datasheet-section, .faq-section, .applications-section {\n                padding: 35px 20px;\n            }\n            \n            .product-title {\n                font-size: 1.7em;\n            }\n            \n            .product-subtitle {\n                font-size: 1em;\n            }\n            \n            .section-title {\n                font-size: 1.4em;\n            }\n            \n            .feature-badge {\n                font-size: 1em;\n                padding: 6px 15px;\n            }\n            \n            .application-item {\n                padding: 15px;\n            }\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"product-container\"\u003e\n\u003cdiv class=\"product-header\"\u003e\n\u003ch1 class=\"product-title\"\u003eROSENBERG DKHR450-4SW.138.6FA Centrifugal Fan\u003c\/h1\u003e\n\u003cdiv class=\"feature-badge\"\u003eMulti-Voltage Industrial Centrifugal Fan\u003c\/div\u003e\n\u003cp class=\"product-subtitle\"\u003eProfessional 1.5\/0.8\/0.8kW multi-power centrifugal fan with 1670\/1425\/1418 RPM operation, 3~380\/400\/440V multi-voltage compatibility, engineered for exceptional durability exceeding 10 years, ultra-quiet performance, high airflow efficiency with pressure development, and energy-saving operation across global industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefits-section\"\u003e\n\u003ch2 class=\"section-title\"\u003eMulti-Voltage High-Performance Centrifugal Fan\u003c\/h2\u003e\n\u003cdiv class=\"benefits-grid\"\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e⏳\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003e10+ Years Industrial Durability\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eGerman-engineered ROSENBERG construction with 72.8kg heavy-duty design ensures reliable, long-term operation exceeding 10+ years. Premium industrial-grade materials, precision-balanced centrifugal impeller, multi-voltage motor technology, and reinforced housing guarantee exceptional lifespan for demanding global industrial applications requiring continuous operation in diverse environmental conditions with minimal maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e🔇\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003eUltra-Quiet Multi-Speed Operation\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eOptimized 1670\/1425\/1418 RPM multi-speed operation provides exceptionally quiet performance ideal for industrial facilities, commercial buildings, and applications requiring powerful airflow with minimal noise. Advanced centrifugal aerodynamics with optimized backward-curved impeller design minimizes turbulence and operational noise across all speed settings. Precision-balanced rotating assembly ensures smooth, vibration-free operation for comfortable industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e⚡\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003eEnergy Efficient Multi-Power (1.5\/0.8\/0.8kW)\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eTriple power rating (1.5kW\/0.8kW\/0.8kW) with optimized 2.6\/2.3\/2.2A current draw provides excellent energy efficiency for global 3~380\/400\/440V applications. Multi-voltage motor technology allows operation across different international power standards while maintaining optimal efficiency. Advanced motor design maximizes energy utilization while delivering reliable performance across all voltage configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit-card\"\u003e\n\u003cspan class=\"benefit-icon\"\u003e💨\u003c\/span\u003e\n\u003ch3 class=\"benefit-title\"\u003eHigh Airflow \u0026amp; Superior Pressure Development\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eEfficient centrifugal design with multi-speed capability generates substantial airflow with excellent pressure development for demanding industrial applications. 52×52×40cm compact industrial design provides superior cooling performance with high static pressure capability across multiple speed settings, making it ideal for applications requiring efficient airflow against system resistance in global industrial ventilation and process cooling systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2 class=\"section-title\"\u003eIndustry Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px; color: #555;\" class=\"product-subtitle\"\u003eThe DKHR450-4SW.138.6FA centrifugal fan is engineered for global industrial and commercial applications requiring reliable, efficient multi-voltage airflow solutions with substantial pressure development, minimal noise, and optimal performance in diverse international environments.\u003c\/p\u003e\n\u003cdiv class=\"applications-grid\"\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e💨\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eGlobal Industrial Ventilation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e❄️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eInternational HVAC Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🧊\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Refrigeration\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🔥\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Heating Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e⚙️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eElectrical Automation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🔌\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eFrequency Converters\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🚄\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eInternational Rail Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eHVAC (FFU\/AHU) Global Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🌫️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Air Purification\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🚗\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eAutomotive Manufacturing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eFactory Process Cooling\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏢\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eInternational Building Ventilation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Oven Ventilation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏗️\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eConstruction Equipment Cooling\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏥\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eHospital Central Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🛒\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eLarge Retail Space Cooling\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eManufacturing Plant Ventilation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🔬\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eLaboratory Fume Systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e⚡\u003c\/span\u003e \u003cspan class=\"app-name\"\u003ePower Generation Equipment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🏭\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eIndustrial Dust Collection\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"application-item\"\u003e\n\u003cspan class=\"app-icon\"\u003e🌍\u003c\/span\u003e \u003cspan class=\"app-name\"\u003eInternational Export Equipment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"datasheet-section\"\u003e\n\u003ch2 class=\"datasheet-header\"\u003e\u003ca rel=\"noopener\" title=\"DKHR450-4SW.110.6FA datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/DKHR450-4SW.138.6FA_datasheet.pdf?v=1768977154\" target=\"_blank\"\u003eDATASHEET\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch2 class=\"section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eDKHR450-4SW.138.6FA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle Number\u003c\/td\u003e\n\u003ctd class=\"highlight-cell\"\u003eN63-450104 \u003cspan class=\"industrial-grade-badge\"\u003eORIGINAL PART\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eOriginal new from manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eROSENBERG \u003cspan class=\"german-badge\"\u003eGERMANY\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCentrifugal Fan \u003cspan class=\"centrifugal-badge\"\u003eHIGH PRESSURE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Power\u003c\/td\u003e\n\u003ctd class=\"multi-power-cell\"\u003e1.5 \/ 0.8 \/ 0.8 kW \u003cspan class=\"multi-power-badge\"\u003eTRIPLE POWER\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd class=\"multi-voltage-cell\"\u003e3~380\/400\/440 V \u003cspan class=\"multi-voltage-badge\"\u003eMULTI-VOLTAGE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e60 \/ 50 \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e2.6 \/ 2.3 \/ 2.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd class=\"high-airflow-cell\"\u003e1670 \/ 1425 \/ 1418 rpm \u003cspan class=\"multi-power-badge\"\u003eMULTI-SPEED\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd class=\"industrial-cell\"\u003e72.8 kg \u003cspan class=\"industrial-grade-badge\"\u003eHEAVY DUTY\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimension\u003c\/td\u003e\n\u003ctd\u003e52 × 52 × 40 cm \u003cspan class=\"centrifugal-badge\"\u003eINDUSTRIAL SIZE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e8414599099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd class=\"highlight-cell\"\u003e1 Year Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shipping-section\"\u003e\n\u003ch2 class=\"shipping-title\"\u003eShipping, Warranty \u0026amp; Service\u003c\/h2\u003e\n\u003cdiv class=\"shipping-details\"\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Hub:\u003c\/strong\u003e Dispatched from \u003cstrong\u003eHong Kong\u003c\/strong\u003e for efficient global distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcessing Time:\u003c\/strong\u003e Orders are processed and ready to ship within \u003cstrong\u003e5 business days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpress Delivery:\u003c\/strong\u003e Estimated delivery in \u003cstrong\u003e3-8 business days\u003c\/strong\u003e worldwide via \u003cstrong\u003eDHL or UPS\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a full \u003cstrong\u003e1-year manufacturer's warranty\u003c\/strong\u003e from ROSENBERG.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Guarantee:\u003c\/strong\u003e We sell only genuine ROSENBERG products guaranteed to meet all factory specifications for fit, form, and function.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Satisfaction:\u003c\/strong\u003e Enjoy a \u003cstrong\u003e30-day return policy\u003c\/strong\u003e and our commitment to \u003cstrong\u003e100% customer satisfaction\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"bulk-inquiry\"\u003e\n\u003cp\u003e\u003cstrong\u003eFor Large Quantity Inquiries:\u003c\/strong\u003e Please contact our sales team at \u003cstrong\u003esales@axialfanz.com\u003c\/strong\u003e for volume pricing and custom quotations for ROSENBERG products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch2 class=\"faq-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ1: How does the ROSENBERG multi-voltage centrifugal fan design with 72.8kg heavy-duty construction ensure 10+ years of reliable service in diverse global industrial environments?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003e72.8kg industrial-grade construction with multi-voltage technology\u003c\/strong\u003e provides exceptional durability exceeding 10+ years of continuous operation in diverse global environments. ROSENBERG's German engineering excellence includes industrial-grade ball bearings rated for extended service life (minimum 80,000 hours), thermally optimized multi-voltage motor components, reinforced housing with international corrosion protection standards, and premium-grade electrical insulation for global voltage compatibility. This centrifugal fan delivers reliable performance across international applications such as industrial ventilation, process cooling, and HVAC systems with varying power standards. The centrifugal impeller design with precision dynamic balancing and optimized backward-curved blades distributes mechanical stress evenly, reducing wear on critical components. The heavy-duty 72.8kg construction ensures structural integrity across global operating conditions, maintaining ROSENBERG's premium quality standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ2: How does this multi-speed centrifugal fan achieve ultra-quiet operation across multiple speed settings (1670\/1425\/1418 RPM) in noise-sensitive industrial applications?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003eoptimized 1670\/1425\/1418 RPM multi-speed operation\u003c\/strong\u003e combined with ROSENBERG's advanced acoustic engineering provides exceptionally quiet performance across all operating conditions. The centrifugal design with aerodynamically optimized backward-curved impeller blades and carefully designed scroll housing produces smooth airflow with minimal turbulence, resulting in lower aerodynamic noise at all speed settings. Precision dynamic balancing of the entire rotating assembly significantly reduces vibration and mechanical noise transmission. The 52×52×40cm robust construction incorporates internal noise-damping features and optimized airflow paths that minimize air turbulence. Advanced multi-voltage motor technology with optimized magnetic circuits and smooth operation reduces electromagnetic noise. These engineering features combine to make this multi-speed fan exceptionally quiet for its performance class, suitable for global industrial facilities requiring powerful airflow with low noise operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ3: How does the triple power rating (1.5\/0.8\/0.8kW) with multi-voltage compatibility provide optimal energy efficiency for international industrial applications?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003etriple power rating (1.5kW\/0.8kW\/0.8kW) with multi-voltage compatibility (380\/400\/440V)\u003c\/strong\u003e offers exceptional energy efficiency flexibility for global industrial applications. This intelligent design allows operation across different international power standards while maintaining optimal efficiency at each voltage setting. The power rating corresponds to different voltage\/frequency combinations: 1.5kW at 380V\/60Hz, and 0.8kW at both 400V\/50Hz and 440V\/50Hz. The optimized current draw (2.6\/2.3\/2.2A) indicates excellent motor efficiency and power factor characteristics across all configurations. This multi-voltage capability eliminates the need for expensive transformers or voltage converters when deploying equipment internationally. The centrifugal design provides excellent pressure development for its power class, making it efficient for applications with system resistance across different global installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ4: What specific advantages does this multi-voltage centrifugal fan offer for international industrial ventilation, global HVAC systems, and export equipment applications?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003eDKHR450-4SW.138.6FA with 52×52×40cm industrial design, 3~380\/400\/440V multi-voltage operation, and triple-speed capability\u003c\/strong\u003e provides unique advantages for global industrial applications. The multi-voltage compatibility (380V\/400V\/440V) covers the majority of international three-phase power standards, making it ideal for export equipment, multinational facilities, and global projects without requiring voltage conversion equipment. The corresponding speed variations (1670\/1425\/1418 RPM) maintain optimal performance across different frequency standards (60Hz\/50Hz\/50Hz). For international HVAC systems, it provides consistent performance whether installed in Europe (400V\/50Hz), North America (480V\/60Hz with transformer), or Asia (380-440V\/50Hz). For export machinery, it simplifies global deployment. For multinational industrial facilities, it standardizes spare parts inventory. The combination of multi-voltage compatibility, substantial power output, heavy-duty construction, and global certification makes it ideal for international industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cta-section\"\u003e\n\u003ch2 class=\"cta-title\"\u003eNeed Multi-Voltage Industrial Fan Solutions?\u003c\/h2\u003e\n\u003cp class=\"cta-description\"\u003eContact our technical specialists for international application recommendations, global compliance data, or volume pricing for your multi-voltage industrial ventilation requirements.\u003c\/p\u003e\n\u003ca class=\"contact-button\" href=\"mailto:sales@example.com?subject=Inquiry%20about%20ROSENBERG%20DKHR450-4SW.138.6FA\"\u003eRequest Technical Support\u003c\/a\u003e \u003ca class=\"contact-button secondary\" href=\"mailto:sales@axialfanz.com?subject=Bulk%20Inquiry%20ROSENBERG%20DKHR450-4SW.138.6FA\"\u003eRequest Volume Pricing\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rosenberg","offers":[{"title":"Default Title","offer_id":48901457740032,"sku":"DKHR450-4SW.138.6FA","price":721.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/DKHR450-4SW.110.6FA1_d944c986-c900-4ec6-9d8d-d8e804cbc4ce.png?v=1782761000","url":"https:\/\/alotechparts.com\/products\/rosenberg-dkhr450-4sw1386fa-centrifugal-fan-380v-24a-105kw-8wires","provider":"Alo Tech Solutions","version":"1.0","type":"link"}