{"product_id":"rosenberg-dkhr450-4kw1385ha-400v-high-voltage-inverter-fansvg-equipment-fan","title":"Rosenberg DKHR450-4KW.138.5HA 400V High Voltage Inverter Fan\/SVG Equipment Fan","description":"\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, #005A8C 0%, #0077BE 100%); \/* Rosenberg blue gradient *\/\n        color: white;\n        padding: 50px 30px;\n        text-align: center;\n        position: relative;\n    }\n    \n    .product-header::after {\n        content: '';\n        position: absolute;\n        bottom: 0;\n        left: 0;\n        right: 0;\n        height: 4px;\n        background: #FFB81C; \/* Gold accent for Rosenberg branding *\/\n    }\n    \n    .product-title {\n        font-size: 2.4em;\n        font-weight: 700;\n        margin-bottom: 10px;\n        letter-spacing: 0.5px;\n    }\n    \n    .feature-badge {\n        display: inline-block;\n        background: #FFB81C; \/* Rosenberg gold *\/\n        color: #005A8C;\n        padding: 8px 20px;\n        border-radius: 20px;\n        font-weight: 600;\n        font-size: 1.1em;\n        margin-bottom: 15px;\n        text-transform: uppercase;\n    }\n    \n    .product-subtitle {\n        font-size: 1.2em;\n        font-weight: 300;\n        opacity: 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: #005A8C; \/* Rosenberg blue *\/\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 #005A8C; \/* Rosenberg blue *\/\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    \n    .benefit-card:hover {\n        transform: translateY(-5px);\n        box-shadow: 0 8px 20px rgba(0,90,140,0.15); \/* Blue shadow *\/\n    }\n    \n    .benefit-icon {\n        font-size: 2.8em;\n        margin-bottom: 20px;\n        display: block;\n        height: 60px;\n    }\n    \n    .benefit-title {\n        font-size: 1.2em;\n        color: #005A8C; \/* Rosenberg blue *\/\n        margin-bottom: 12px;\n        font-weight: 600;\n        line-height: 1.3;\n        flex-shrink: 0;\n    }\n    \n    .benefit-description {\n        color: #555;\n        font-size: 0.95em;\n        line-height: 1.5;\n        flex-grow: 1;\n    }\n    \n    .applications-section {\n        padding: 50px 30px;\n        background: linear-gradient(135deg, #e0f0ff 0%, #b8d9ff 100%); \/* Rosenberg blue-inspired light gradient *\/\n    }\n    \n    .applications-grid {\n        display: grid;\n        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));\n        gap: 20px;\n        margin-top: 30px;\n    }\n    \n    .application-item {\n        background: white;\n        padding: 20px;\n        border-radius: 8px;\n        display: flex;\n        align-items: center;\n        box-shadow: 0 3px 10px rgba(0,0,0,0.08);\n        transition: transform 0.2s ease;\n        border-left: 4px solid #005A8C; \/* Rosenberg blue *\/\n    }\n    \n    .application-item:hover {\n        transform: translateY(-3px);\n    }\n    \n    .app-icon {\n        font-size: 2em;\n        margin-right: 15px;\n        color: #005A8C; \/* Rosenberg blue *\/\n        min-width: 40px;\n        text-align: center;\n    }\n    \n    .app-name {\n        font-weight: 600;\n        color: #333;\n    }\n    \n    .datasheet-section {\n        padding: 50px 30px;\n        background: #f0f8ff;\n    }\n    \n    .datasheet-header {\n        text-align: center;\n        font-size: 1.6em;\n        color: #FFB81C; \/* Rosenberg gold *\/\n        margin-bottom: 30px;\n        text-transform: uppercase;\n        letter-spacing: 1px;\n        font-weight: 700;\n        text-shadow: 1px 1px 0 #005A8C;\n    }\n    \n    .specs-table {\n        width: 100%;\n        border-collapse: collapse;\n        background: white;\n        border-radius: 8px;\n        overflow: hidden;\n        box-shadow: 0 2px 10px rgba(0,0,0,0.05);\n    }\n    \n    .specs-table tr:nth-child(even) {\n        background-color: #f8f9fa;\n    }\n    \n    .specs-table td {\n        padding: 15px 20px;\n        border-bottom: 1px solid #e9ecef;\n    }\n    \n    .specs-table td:first-child {\n        font-weight: 600;\n        color: #005A8C; \/* Rosenberg blue *\/\n        width: 40%;\n        background-color: #e6f0ff;\n    }\n    \n    .highlight-cell {\n        color: #005A8C;\n        font-weight: 700;\n        background-color: #e6f0ff;\n    }\n    \n    .efficiency-cell {\n        color: #2e7d32;\n        font-weight: 700;\n        background-color: #c8e6c9;\n    }\n    \n    .high-airflow-cell {\n        color: #005A8C;\n        font-weight: 700;\n        background-color: #b8d9ff;\n    }\n    \n    .quiet-cell {\n        color: #7b1fa2;\n        font-weight: 700;\n        background-color: #e1bee7;\n    }\n    \n    .durable-cell {\n        color: #d84315;\n        font-weight: 700;\n        background-color: #ffccbc;\n    }\n    \n    .three-phase-cell {\n        color: #5d4037;\n        font-weight: 700;\n        background-color: #d7ccc8;\n    }\n    \n    .centrifugal-badge {\n        display: inline-block;\n        background: #005A8C; \/* Rosenberg blue *\/\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    .german-badge {\n        display: inline-block;\n        background: #000;\n        color: #FFCC00;\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    .rosenberg-badge {\n        display: inline-block;\n        background: #005A8C;\n        color: #FFB81C;\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        border: 1px solid #FFB81C;\n    }\n    \n    .durability-badge {\n        display: inline-block;\n        background: #d84315;\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    .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    .energy-saving-badge {\n        display: inline-block;\n        background: #2e7d32;\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-badge {\n        display: inline-block;\n        background: #d84315;\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    .compact-badge {\n        display: inline-block;\n        background: #00695c;\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    .shipping-section {\n        padding: 40px 30px;\n        background: #f8f9fa;\n        margin: 30px;\n        border-radius: 8px;\n    }\n    \n    .shipping-title {\n        font-size: 1.6em;\n        color: #005A8C; \/* Rosenberg blue *\/\n        margin-bottom: 25px;\n        text-align: center;\n    }\n    \n    .shipping-details {\n        max-width: 800px;\n        margin: 0 auto;\n    }\n    \n    .shipping-details p {\n        margin-bottom: 12px;\n        padding-left: 20px;\n        position: relative;\n        font-size: 1.05em;\n    }\n    \n    .shipping-details p::before {\n        content: '✓';\n        position: absolute;\n        left: 0;\n        color: #2e7d32;\n        font-weight: bold;\n    }\n    \n    .bulk-inquiry {\n        background: #fff3e0;\n        border-left: 4px solid #FFB81C; \/* Rosenberg gold *\/\n        padding: 20px;\n        margin-top: 20px;\n        border-radius: 5px;\n    }\n    \n    .bulk-inquiry strong {\n        color: #005A8C; \/* Rosenberg blue *\/\n    }\n    \n    .technical-features {\n        padding: 40px 30px;\n        background: #e0f0ff;\n        margin: 30px;\n        border-radius: 8px;\n        border: 1px solid #b8d9ff;\n    }\n    \n    .features-grid {\n        display: grid;\n        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n        gap: 20px;\n        margin-top: 20px;\n    }\n    \n    .feature-item {\n        background: white;\n        padding: 20px;\n        border-radius: 8px;\n        box-shadow: 0 2px 10px rgba(0,0,0,0.05);\n    }\n    \n    .feature-title {\n        color: #005A8C; \/* Rosenberg blue *\/\n        font-weight: 600;\n        margin-bottom: 10px;\n        font-size: 1.1em;\n    }\n    \n    .feature-description {\n        color: #555;\n        font-size: 0.95em;\n        line-height: 1.5;\n    }\n    \n    .faq-section {\n        padding: 50px 30px;\n        background: #e0f0ff;\n        margin: 30px;\n        border-radius: 10px;\n        border: 1px solid #b8d9ff;\n    }\n    \n    .faq-title {\n        text-align: center;\n        font-size: 1.8em;\n        color: #005A8C; \/* Rosenberg blue *\/\n        margin-bottom: 35px;\n        font-weight: 600;\n    }\n    \n    .faq-item {\n        margin-bottom: 30px;\n        padding-bottom: 30px;\n        border-bottom: 2px solid #b8d9ff;\n    }\n    \n    .faq-item:last-child {\n        border-bottom: none;\n        margin-bottom: 0;\n    }\n    \n    .faq-question {\n        color: #005A8C; \/* Rosenberg blue *\/\n        font-size: 1.2em;\n        font-weight: 600;\n        margin-bottom: 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, #e0f0ff 0%, #b8d9ff 100%);\n        text-align: center;\n        border-radius: 10px;\n        margin: 30px;\n    }\n    \n    .cta-title {\n        font-size: 1.6em;\n        color: #005A8C; \/* Rosenberg blue *\/\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: #005A8C; \/* Rosenberg blue *\/\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 #005A8C;\n        margin: 5px 10px;\n    }\n    \n    .contact-button:hover {\n        background: white;\n        color: #005A8C;\n        transform: translateY(-2px);\n        box-shadow: 0 5px 15px rgba(0,90,140,0.2);\n    }\n    \n    .contact-button.secondary {\n        background: #FFB81C; \/* Rosenberg gold *\/\n        border-color: #FFB81C;\n        color: #005A8C;\n    }\n    \n    .contact-button.secondary:hover {\n        background: white;\n        color: #FFB81C;\n        border-color: #FFB81C;\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        .features-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        .features-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: #e6f0ff;\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, .technical-features {\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\n\u003cdiv class=\"product-container\"\u003e\n    \u003cdiv class=\"product-header\"\u003e\n        \u003ch1 class=\"product-title\"\u003eRosenberg DKHR450-4KW.138.5HA Centrifugal Fan\u003c\/h1\u003e\n        \u003cdiv class=\"feature-badge\"\u003eHigh-Efficiency 0.74kW Industrial Centrifugal Fan | 400V | 1300 RPM\u003c\/div\u003e\n        \u003cp class=\"product-subtitle\"\u003eProfessional 0.74kW centrifugal fan engineered for industrial applications. Features three-phase 400V compatibility with efficient 1300 RPM operation and low 1.96A current draw. German-engineered by Rosenberg with 15kg compact robust construction for exceptional durability exceeding 10+ years, ultra-quiet performance, superior energy efficiency, and powerful centrifugal airflow for superior heat dissipation in commercial and industrial applications .\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"benefits-section\"\u003e\n        \u003ch2 class=\"section-title\"\u003eCore Performance Advantages\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 15kg robust industrial design ensures reliable, long-term operation exceeding 10+ years. Premium materials, high-quality ball bearings, and precision manufacturing guarantee exceptional lifespan in demanding environments with minimal maintenance requirements . Rosenberg has decades of engineering expertise, and their fans are designed for high durability and reliability in continuous operation .\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 1300 RPM Operation\u003c\/h3\u003e\n                \u003cp class=\"benefit-description\"\u003eOptimized 1300 RPM operation with advanced centrifugal fan design delivers exceptionally quiet performance. Rosenberg's precision engineering, vibration-damping technology, and aerodynamic impeller optimization minimize noise, making it ideal for noise-sensitive environments like hospitals, offices, and commercial spaces .\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 0.74kW Design\u003c\/h3\u003e\n                \u003cp class=\"benefit-description\"\u003eEfficient 0.74kW power consumption with low 1.96A current draw provides exceptional energy savings. This innovative design significantly reduces operational costs while maintaining excellent performance, perfect for continuous operation in energy-sensitive applications .\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-Performance Centrifugal Airflow\u003c\/h3\u003e\n                \u003cp class=\"benefit-description\"\u003e1300 RPM operation combined with optimized centrifugal impeller design generates powerful directional airflow with excellent static pressure. Superior air movement capabilities provide remarkable heat dissipation, making it perfect for commercial and industrial applications requiring reliable cooling .\u003c\/p\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n    \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 Rosenberg DKHR450-4KW.138.5HA is engineered for versatile applications across multiple industries requiring reliable, energy-efficient centrifugal airflow solutions .\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\"\u003eIndustrial Ventilation 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\"\u003eCommercial Air Conditioning\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\"\u003eHeating 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\"\u003eRail Transportation HVAC\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) 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\"\u003eAir Purification 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\"\u003eNew Energy Vehicles\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 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\"\u003eData Center 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\"\u003ePower 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\"\u003eHospital 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\"\u003eLaboratory 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\"\u003eFactory Exhaust 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\"\u003eTelecom 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\"\u003eBattery Storage 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\"\u003eAgricultural 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\"\u003eCommercial Building Ventilation\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"technical-features\"\u003e\n        \u003ch2 class=\"section-title\"\u003eAdvanced Technical Features\u003c\/h2\u003e\n        \u003cdiv class=\"features-grid\"\u003e\n            \u003cdiv class=\"feature-item\"\u003e\n                \u003ch3 class=\"feature-title\"\u003eOptimized 1300 RPM Operation\u003c\/h3\u003e\n                \u003cp class=\"feature-description\"\u003eCarefully calibrated 1300 RPM speed delivers the perfect balance between high-volume airflow and ultra-quiet operation. This optimized speed ensures exceptional cooling performance while maintaining minimal noise levels, ideal for continuous operation in occupied spaces .\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"feature-item\"\u003e\n                \u003ch3 class=\"feature-title\"\u003eEfficient 1.96A Current Draw\u003c\/h3\u003e\n                \u003cp class=\"feature-description\"\u003eLow current consumption of only 1.96A at 0.74kW provides outstanding energy efficiency, minimizing operational costs and reducing electrical infrastructure requirements. Perfect for energy-sensitive applications and continuous operation where power efficiency is critical .\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"feature-item\"\u003e\n                \u003ch3 class=\"feature-title\"\u003eThree-Phase 400V Industrial Power\u003c\/h3\u003e\n                \u003cp class=\"feature-description\"\u003eAdvanced three-phase 400V motor provides smooth, efficient power delivery with superior reliability for industrial applications. Three-phase technology offers better power factor, smoother torque delivery, and higher efficiency compared to single-phase alternatives, perfect for continuous operation in demanding environments .\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"feature-item\"\u003e\n                \u003ch3 class=\"feature-title\"\u003eCompact 15kg Industrial Construction\u003c\/h3\u003e\n                \u003cp class=\"feature-description\"\u003e15kg robust construction with compact 45×45×25cm dimensions provides excellent stability and durability while maintaining manageable weight for easy installation. German engineering ensures reliable performance in demanding applications with 10+ year lifespan and minimal maintenance requirements .\u003c\/p\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"datasheet-section\"\u003e\n        \u003ch2 class=\"datasheet-header\"\u003eDATASHEET\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 style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eModel Number\u003c\/td\u003e\n                    \u003ctd\u003eDKHR450-4KW.138.5HA\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eManufacturer\u003c\/td\u003e\n                    \u003ctd\u003eRosenberg \u003cspan class=\"rosenberg-badge\"\u003eGERMANY\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eProduct Type\u003c\/td\u003e\n                    \u003ctd\u003eCentrifugal Fan \u003cspan class=\"centrifugal-badge\"\u003eCOMPACT\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eCondition\u003c\/td\u003e\n                    \u003ctd\u003eOriginal new from manufacturer\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eRated Power\u003c\/td\u003e\n                    \u003ctd class=\"efficiency-cell\"\u003e0.74 kW \u003cspan class=\"energy-saving-badge\"\u003eEFFICIENT\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eRated Voltage\u003c\/td\u003e\n                    \u003ctd class=\"three-phase-cell\"\u003e400 V \u003cspan class=\"german-badge\"\u003eTHREE PHASE\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eFrequency\u003c\/td\u003e\n                    \u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eRated Current\u003c\/td\u003e\n                    \u003ctd class=\"efficiency-cell\"\u003e1.96 A \u003cspan class=\"energy-saving-badge\"\u003eLOW CURRENT\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eSpeed\u003c\/td\u003e\n                    \u003ctd class=\"high-airflow-cell\"\u003e1300 rpm \u003cspan class=\"quiet-badge\"\u003eQUIET\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eNet Weight\u003c\/td\u003e\n                    \u003ctd class=\"durable-cell\"\u003e15 kg \u003cspan class=\"compact-badge\"\u003eCOMPACT\u003c\/span\u003e\n\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eShipping Dimension\u003c\/td\u003e\n                    \u003ctd\u003e45 × 45 × 25 cm\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eCountry of Origin\u003c\/td\u003e\n                    \u003ctd\u003eGermany\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\u003eHS Code\u003c\/td\u003e\n                    \u003ctd\u003e8414599099\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"background-color: #f0f8ff; font-weight: 600; color: #005A8C;\"\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    \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 From:\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.\u003c\/p\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n    \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: What makes the DKHR450-4KW.138.5HA so energy efficient with only 1.96A current draw?\u003c\/h3\u003e\n            \u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The exceptionally low current consumption of only 1.96A at 0.74kW represents outstanding energy efficiency for a centrifugal fan of this size. This innovative design significantly reduces operational costs while maintaining excellent performance, making it perfect for continuous operation in energy-sensitive applications .\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch3 class=\"faq-question\"\u003eQ2: How does the 1300 RPM operation contribute to quiet performance?\u003c\/h3\u003e\n            \u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The optimized 1300 RPM speed is carefully selected to deliver powerful airflow while operating at lower speeds that minimize noise. Combined with Rosenberg's precision engineering, vibration-damping technology, and aerodynamic impeller optimization, this fan provides exceptionally quiet operation suitable for noise-sensitive environments .\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch3 class=\"faq-question\"\u003eQ3: What makes this 15kg Rosenberg fan last over 10 years?\u003c\/h3\u003e\n            \u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 15kg robust construction incorporates premium materials, high-quality ball bearings, and precision German manufacturing standards. The sturdy design provides excellent stability, minimizes vibration transmission, and reduces stress on components. Every component is engineered for long-term reliability in demanding continuous operation environments with minimal maintenance requirements .\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch3 class=\"faq-question\"\u003eQ4: What are the typical applications for this compact centrifugal fan?\u003c\/h3\u003e\n            \u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The DKHR450-4KW.138.5HA is widely used in industrial ventilation, commercial HVAC systems, refrigeration units, data center cooling, and process cooling applications . Its compact size and efficient performance make it ideal for installations where space is limited but reliable cooling is essential .\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"cta-section\"\u003e\n        \u003ch2 class=\"cta-title\"\u003eNeed Energy-Efficient Centrifugal Fan Solutions?\u003c\/h2\u003e\n        \u003cp class=\"cta-description\"\u003eContact our technical specialists for application-specific recommendations, performance data, or volume pricing for your industrial ventilation and cooling requirements.\u003c\/p\u003e\n        \u003ca class=\"contact-button\" href=\"mailto:sales@axialfanz.com?subject=Technical%20Inquiry:%20Rosenberg%20DKHR450-4KW.138.5HA\"\u003eRequest Technical Support\u003c\/a\u003e\n        \u003ca class=\"contact-button secondary\" href=\"mailto:sales@axialfanz.com?subject=Bulk%20Inquiry:%20Rosenberg%20DKHR450-4KW.138.5HA\"\u003eRequest Volume Pricing\u003c\/a\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- Customer Review Section --\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 30px auto 0; background: white; border-radius: 10px; box-shadow: 0 2px 20px rgba(0,0,0,0.1); padding: 30px;\"\u003e\n    \u003ch2 style=\"text-align: center; font-size: 1.8em; color: #005A8C; margin-bottom: 25px; font-weight: 600;\"\u003eCustomer Reviews\u003c\/h2\u003e\n    \n    \u003cdiv style=\"background: #f8f9fa; border-left: 4px solid #FFB81C; padding: 25px; border-radius: 8px; margin-bottom: 20px;\"\u003e\n        \u003cdiv style=\"display: flex; align-items: center; margin-bottom: 10px;\"\u003e\n            \u003cspan style=\"color: #FFB81C; font-size: 1.3em; margin-right: 10px;\"\u003e★★★★★\u003c\/span\u003e\n            \u003cspan style=\"font-weight: 600; color: #005A8C;\"\u003eVerified Purchase\u003c\/span\u003e\n        \u003c\/div\u003e\n        \u003cp style=\"font-size: 1.1em; line-height: 1.6; color: #333; font-style: italic; margin-bottom: 15px;\"\u003e\"Excellent Rosenberg quality! 0.74kW with only 1.96A draw - very efficient. Runs quiet at 1300rpm. Compact 15kg German construction. Perfect for our commercial HVAC system!\"\u003c\/p\u003e\n        \u003cp style=\"font-weight: 600; color: #005A8C;\"\u003e— Stefan Wagner, HVAC Systems Engineer\u003c\/p\u003e\n        \u003cp style=\"color: #777; font-size: 0.9em; margin-top: 5px;\"\u003eEuro Climate Solutions • Reviewed on: April 11, 2026\u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rosenberg","offers":[{"title":"Default Title","offer_id":48901461573888,"sku":"DKHR450-4KW.138.5HA","price":514.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/Rosenberg_DKHR450-4KW.138.5HA.png?v=1782761055","url":"https:\/\/alotechparts.com\/es\/products\/rosenberg-dkhr450-4kw1385ha-400v-high-voltage-inverter-fansvg-equipment-fan","provider":"Alo Tech Solutions","version":"1.0","type":"link"}