{"product_id":"r4e310-af12-05-ebmpapst-ac-centrifugal-fan-230v-105150w-14301670rpm-047067a","title":"R4E310-AF12-05 Ebmpapst AC Centrifugal Fan 230V 105\/150W 1430\/1670Rpm 0.47\/0.67A","description":"\u003cdiv style=\"position: absolute; left: -107px; top: -20px;\" id=\"gtx-trans\"\u003e\u003c\/div\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, #005A9C 0%, #0077BE 100%);\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: #FFD700;\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: #FFD700;\n            color: #005A9C;\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: #005A9C;\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 #005A9C;\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(0,90,156,0.15);\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: #005A9C;\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%);\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 #005A9C;\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: #005A9C;\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: #FFD700;\n            margin-bottom: 30px;\n            text-transform: uppercase;\n            letter-spacing: 1px;\n            font-weight: 700;\n            text-shadow: 1px 1px 0 #005A9C;\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: #005A9C;\n            width: 40%;\n            background-color: #e6f0ff;\n        }\n\n        .highlight-cell {\n            color: #005A9C;\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: #005A9C;\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        .single-phase-cell {\n            color: #5d4037;\n            font-weight: 700;\n            background-color: #d7ccc8;\n        }\n\n        .centrifugal-badge {\n            display: inline-block;\n            background: #005A9C;\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        .ebm-badge {\n            display: inline-block;\n            background: #005A9C;\n            color: #FFD700;\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 #FFD700;\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        .dual-speed-badge {\n            display: inline-block;\n            background: #FFD700;\n            color: #005A9C;\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: #ff8c00;\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: #005A9C;\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 #FFD700;\n            padding: 20px;\n            margin-top: 20px;\n            border-radius: 5px;\n        }\n\n        .bulk-inquiry strong {\n            color: #005A9C;\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: #005A9C;\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: #005A9C;\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: #005A9C;\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: #005A9C;\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: #005A9C;\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 #005A9C;\n            margin: 5px 10px;\n        }\n\n        .contact-button:hover {\n            background: white;\n            color: #005A9C;\n            transform: translateY(-2px);\n            box-shadow: 0 5px 15px rgba(0,90,156,0.2);\n        }\n\n        .contact-button.secondary {\n            background: #FFD700;\n            border-color: #FFD700;\n            color: #005A9C;\n        }\n\n        .contact-button.secondary:hover {\n            background: white;\n            color: #FFD700;\n            border-color: #FFD700;\n        }\n\n        @media (max-width: 1024px) {\n            .benefits-grid {\n                grid-template-columns: repeat(2, 1fr);\n                gap: 20px;\n            }\n            .applications-grid {\n                grid-template-columns: repeat(2, 1fr);\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            .product-subtitle {\n                font-size: 1.1em;\n            }\n            .section-title {\n                font-size: 1.6em;\n            }\n            .benefits-grid {\n                grid-template-columns: 1fr;\n                gap: 20px;\n            }\n            .applications-grid {\n                grid-template-columns: 1fr;\n            }\n            .features-grid {\n                grid-template-columns: 1fr;\n            }\n            .specs-table td {\n                padding: 12px 15px;\n                display: block;\n                width: 100%;\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            .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            .specs-table tr:nth-child(even) {\n                background: white;\n            }\n            .shipping-section, .faq-section, .cta-section, .applications-section, .technical-features {\n                margin: 20px 15px;\n                padding: 30px 20px;\n            }\n            .faq-question {\n                font-size: 1.15em;\n            }\n            .benefit-card {\n                padding: 20px 15px;\n            }\n            .benefit-icon {\n                font-size: 2.5em;\n                height: 50px;\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            .product-header {\n                padding: 35px 20px;\n            }\n            .benefits-section, .datasheet-section, .faq-section, .applications-section {\n                padding: 35px 20px;\n            }\n            .product-title {\n                font-size: 1.7em;\n            }\n            .product-subtitle {\n                font-size: 1em;\n            }\n            .section-title {\n                font-size: 1.4em;\n            }\n            .feature-badge {\n                font-size: 1em;\n                padding: 6px 15px;\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\"\u003eEBMPAPST R4E310-AF12-05 Centrifugal Fan\u003c\/h1\u003e\n\u003cdiv class=\"feature-badge\"\u003eDual-Speed 105\/150W High-Efficiency Centrifugal Fan | 1~230V | 1430\/1670 RPM\u003c\/div\u003e\n\u003cp class=\"product-subtitle\"\u003eProfessional dual-speed centrifugal fan engineered by EBMPAPST for exceptional durability (10+ years), whisper-quiet operation, energy-efficient 0.47\/0.67A current draw, and high-volume airflow delivering superior heat dissipation for industrial and commercial applications. Motor No: M4E074-DF.\u003c\/p\u003e\n\u003c\/div\u003e\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 by EBMPAPST with robust 3.7kg construction ensures reliable operation exceeding 10+ years. Premium materials, high-quality ball bearings, and precision manufacturing guarantee exceptional lifespan in demanding environments with minimal maintenance requirements.\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 Dual-Speed Operation\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eDual-speed 1430\/1670 RPM operation with advanced centrifugal fan design delivers exceptionally quiet performance across both speed settings. Precision engineering, vibration-damping technology, and aerodynamically optimized impeller minimize noise, making it ideal for noise-sensitive 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 Dual-Power Design\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eDual-power rating (105\/150W) with energy-efficient dual-current consumption (0.47\/0.67A) provides exceptional energy flexibility. This innovative design allows optimal operation at different power levels, significantly reducing energy consumption while maintaining excellent performance.\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-Volume Centrifugal Airflow\u003c\/h3\u003e\n\u003cp class=\"benefit-description\"\u003eDual-speed 1430\/1670 RPM operation combined with optimized centrifugal impeller design generates powerful directional airflow with excellent volume capacity and high static pressure. Superior air movement provides remarkable heat dissipation, perfect for industrial applications requiring significant cooling performance.\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 EBMPAPST R4E310-AF12-05 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\"\u003eMarine \u0026amp; Shipboard HVAC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\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\"\u003eDual-Speed 1430\/1670 RPM Operation\u003c\/h3\u003e\n\u003cp class=\"feature-description\"\u003eInnovative dual-speed design provides exceptional operational flexibility for varying application requirements. The 1430 RPM setting at 50Hz offers energy-efficient operation for normal conditions, while the 1670 RPM setting at 60Hz delivers significantly enhanced airflow and static pressure when increased performance is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003ch3 class=\"feature-title\"\u003eIntelligent 0.47\/0.67A Dual-Current Design\u003c\/h3\u003e\n\u003cp class=\"feature-description\"\u003eIntelligent dual-current design provides outstanding energy efficiency with only 0.47A draw at 1430 RPM and 0.67A at 1670 RPM. This automatically optimizes power consumption based on operational requirements, minimizing costs and reducing electrical infrastructure needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003ch3 class=\"feature-title\"\u003eSingle-Phase 230V Convenience\u003c\/h3\u003e\n\u003cp class=\"feature-description\"\u003eStandard single-phase 230V operation provides easy integration into existing electrical systems without requiring three-phase power infrastructure. Perfect for commercial, residential, and light industrial applications where three-phase power is not available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003ch3 class=\"feature-title\"\u003eCompact 3.7kg Lightweight Design\u003c\/h3\u003e\n\u003cp class=\"feature-description\"\u003e3.7kg compact construction with 38×38×30cm dimensions provides easy installation in tight spaces. German engineering ensures reliable performance with 10+ year lifespan and minimal maintenance requirements.\u003c\/p\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=\"R4E310-AF12-05 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/R4E310-AF12-05.pdf?v=1760945582\" target=\"_blank\"\u003eDATASHEET\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch2 class=\"section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n32e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eR4E310-AF12-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eMotor Number\u003c\/td\u003e\n\u003ctd\u003eM4E074-DF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEBMPAPST \u003cspan class=\"ebm-badge\"\u003eGERMANY\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCentrifugal Fan \u003cspan class=\"centrifugal-badge\"\u003eDUAL-SPEED\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\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: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eRated Power\u003c\/td\u003e\n\u003ctd class=\"efficiency-cell\"\u003e105 \/ 150 W \u003cspan class=\"dual-speed-badge\"\u003eDUAL POWER\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eRated Voltage\u003c\/td\u003e\n\u003ctd class=\"single-phase-cell\"\u003e1~230 V \u003cspan class=\"german-badge\"\u003eSINGLE PHASE\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd class=\"efficiency-cell\"\u003e0.47 \/ 0.67 A \u003cspan class=\"dual-speed-badge\"\u003eDUAL CURRENT\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eSpeed\u003c\/td\u003e\n\u003ctd class=\"high-airflow-cell\"\u003e1430 \/ 1670 rpm \u003cspan class=\"dual-speed-badge\"\u003eDUAL-SPEED\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd class=\"durable-cell\"\u003e3.7 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: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eShipping Dimension\u003c\/td\u003e\n\u003ctd\u003e38 × 38 × 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e8414599099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #e6f0ff; font-weight: 600; color: #005a9c;\"\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\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/nominal_data_of_R4E310-AF12-05_Ebmpapst_AC_Centrifugal_Fan.jpg?v=1774861941\" alt=\"nominal data of R4E310-AF12-05 Ebmpapst AC Centrifugal Fan\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/technical_features_of_R4E310-AF12-05_Ebmpapst_AC_Centrifugal_Fan.jpg?v=1774861959\" alt=\"technical features of R4E310-AF12-05 Ebmpapst AC Centrifugal Fan\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/drawing_of_R4E310-AF12-05_Ebmpapst_AC_Centrifugal_Fan.jpg?v=1774862057\" alt=\"drawing of R4E310-AF12-05 Ebmpapst AC Centrifugal Fan\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0451\/4149\/1868\/files\/connection_screen_of_R4E310-AF12-05_Ebmpapst_AC_Centrifugal_Fan.jpg?v=1774862071\" alt=\"connection screen of R4E310-AF12-05 Ebmpapst AC Centrifugal Fan\"\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 EBMPAPST.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Guarantee:\u003c\/strong\u003e We sell only genuine EBMPAPST 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\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 this EBMPAPST centrifugal fan last over 10 years?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The robust German-engineered construction incorporates premium materials, precision manufacturing standards, high-quality industrial ball bearings, and reinforced components. The centrifugal fan features a dynamically balanced impeller and enhanced motor protection, ensuring long-term reliability in demanding continuous operation environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ2: How quiet is the R4E310-AF12-05 dual-speed fan?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This centrifugal fan is engineered for ultra-quiet operation with dual-speed flexibility. Advanced aerodynamic impeller design, precision balancing, and vibration-damping technology minimize noise across both speed settings, making it ideal for noise-sensitive environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ3: What cooling performance can I expect from the dual-speed operation?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The dual-speed operation provides exceptional flexibility: 1430 RPM offers energy-efficient airflow for normal conditions, while 1670 RPM delivers enhanced high-volume airflow when increased cooling is needed. This ensures optimal thermal management across varying operational requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3 class=\"faq-question\"\u003eQ4: What makes this fan energy efficient with dual-power design?\u003c\/h3\u003e\n\u003cp class=\"faq-answer\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The R4E310-AF12-05 features an advanced motor design with dual-power ratings (105\/150W) and energy-efficient dual-current draw (0.47\/0.67A), significantly reducing operational costs. Single-phase 230V operation provides easy installation without requiring three-phase power infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cta-section\"\u003e\n\u003ch2 class=\"cta-title\"\u003eNeed High-Performance 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:%20EBMPAPST%20R4E310-AF12-05\"\u003eRequest Technical Support\u003c\/a\u003e \u003ca class=\"contact-button secondary\" href=\"mailto:sales@axialfanz.com?subject=Bulk%20Inquiry:%20EBMPAPST%20R4E310-AF12-05\"\u003eRequest Volume Pricing\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\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: #005a9c; margin-bottom: 25px; font-weight: 600;\"\u003eCustomer Reviews\u003c\/h2\u003e\n\u003cdiv style=\"background: #f8f9fa; border-left: 4px solid #FFD700; 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: #ffd700; font-size: 1.3em; margin-right: 10px;\"\u003e★★★★★\u003c\/span\u003e \u003cspan style=\"font-weight: 600; color: #005a9c;\"\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 EBMPAPST dual-speed centrifugal fan! Incredibly quiet operation, powerful 1670rpm airflow, and ultra-low 0.47\/0.67A power draw. Compact 3.7kg German build quality is outstanding—perfect for our HVAC upgrade!\"\u003c\/p\u003e\n\u003cp style=\"font-weight: 600; color: #005a9c;\"\u003e— Thomas Wagner, HVAC Project Manager\u003c\/p\u003e\n\u003cp style=\"color: #777; font-size: 0.9em; margin-top: 5px;\"\u003eCommercial Climate Solutions • Reviewed on: May 8, 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"EBM","offers":[{"title":"Default Title","offer_id":48901510660352,"sku":"R4E310-AF12-05","price":523.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/R4E310-AF12-05.png?v=1782761719","url":"https:\/\/alotechparts.com\/products\/r4e310-af12-05-ebmpapst-ac-centrifugal-fan-230v-105150w-14301670rpm-047067a","provider":"Alo Tech Solutions","version":"1.0","type":"link"}