Rosenberg DKHR450-4SW.138.6FA centrifugal fan 380V 2.4A 1.05KW 8wires

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padding-bottom: 5px; font-weight: 700; } .specs-table tr { display: block; margin-bottom: 15px; border-bottom: 2px solid #e9ecef; padding-bottom: 15px; background: white; } .specs-table tr:nth-child(even) { background: white; } .shipping-section, .faq-section, .cta-section, .applications-section { margin: 20px 15px; padding: 30px 20px; } .faq-question { font-size: 1.15em; } .benefit-card { padding: 20px 15px; } .benefit-icon { font-size: 2.5em; height: 50px; } .contact-button { display: block; margin: 10px auto; width: 90%; max-width: 300px; } } @media (max-width: 480px) { body { padding: 15px; } .product-header { padding: 35px 20px; } .benefits-section, .datasheet-section, .faq-section, .applications-section { padding: 35px 20px; } .product-title { font-size: 1.7em; } .product-subtitle { font-size: 1em; } .section-title { font-size: 1.4em; } .feature-badge { font-size: 1em; padding: 6px 15px; } .application-item { padding: 15px; } } ROSENBERG DKHR450-4SW.138.6FA Centrifugal Fan Multi-Voltage Industrial Centrifugal Fan Professional 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. Multi-Voltage High-Performance Centrifugal Fan ⏳ 10+ Years Industrial Durability German-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. 🔇 Ultra-Quiet Multi-Speed Operation Optimized 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. ⚡ Energy Efficient Multi-Power (1.5/0.8/0.8kW) Triple 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. 💨 High Airflow & Superior Pressure Development Efficient 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. Industry Applications The 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. 💨 Global Industrial Ventilation ❄️ International HVAC Systems 🧊 Industrial Refrigeration 🔥 Industrial Heating Systems ⚙️ Electrical Automation 🔌 Frequency Converters 🚄 International Rail Systems 🏭 HVAC (FFU/AHU) Global Systems 🌫️ Industrial Air Purification 🚗 Automotive Manufacturing 🏭 Factory Process Cooling 🏢 International Building Ventilation 🏭 Industrial Oven Ventilation 🏗️ Construction Equipment Cooling 🏥 Hospital Central Systems 🛒 Large Retail Space Cooling 🏭 Manufacturing Plant Ventilation 🔬 Laboratory Fume Systems ⚡ Power Generation Equipment 🏭 Industrial Dust Collection 🌍 International Export Equipment DATASHEET Technical Specifications Model Number DKHR450-4SW.138.6FA Article Number N63-450104 ORIGINAL PART Condition Original new from manufacturer Manufacturer ROSENBERG GERMANY Product Type Centrifugal Fan HIGH PRESSURE Rated Power 1.5 / 0.8 / 0.8 kW TRIPLE POWER Rated Voltage 3~380/400/440 V MULTI-VOLTAGE Frequency 60 / 50 / 50 Hz Rated Current 2.6 / 2.3 / 2.2 A Speed 1670 / 1425 / 1418 rpm MULTI-SPEED Net Weight 72.8 kg HEAVY DUTY Shipping Dimension 52 × 52 × 40 cm INDUSTRIAL SIZE Country of Origin Germany HS Code 8414599099 Warranty 1 Year Manufacturer Warranty Shipping, Warranty & Service Shipping Hub: Dispatched from Hong Kong for efficient global distribution. Processing Time: Orders are processed and ready to ship within 5 business days. Express Delivery: Estimated delivery in 3-8 business days worldwide via DHL or UPS. Warranty: Backed by a full 1-year manufacturer's warranty from ROSENBERG. Product Guarantee: We sell only genuine ROSENBERG products guaranteed to meet all factory specifications for fit, form, and function. Customer Satisfaction: Enjoy a 30-day return policy and our commitment to 100% customer satisfaction. For Large Quantity Inquiries: Please contact our sales team at [email protected] for volume pricing and custom quotations for ROSENBERG products. Frequently Asked Questions Q1: 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? A: The 72.8kg industrial-grade construction with multi-voltage technology 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. Q2: How does this multi-speed centrifugal fan achieve ultra-quiet operation across multiple speed settings (1670/1425/1418 RPM) in noise-sensitive industrial applications? A: The optimized 1670/1425/1418 RPM multi-speed operation 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. Q3: How does the triple power rating (1.5/0.8/0.8kW) with multi-voltage compatibility provide optimal energy efficiency for international industrial applications? A: The triple power rating (1.5kW/0.8kW/0.8kW) with multi-voltage compatibility (380/400/440V) 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. Q4: What specific advantages does this multi-voltage centrifugal fan offer for international industrial ventilation, global HVAC systems, and export equipment applications? A: The DKHR450-4SW.138.6FA with 52×52×40cm industrial design, 3~380/400/440V multi-voltage operation, and triple-speed capability 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. Need Multi-Voltage Industrial Fan Solutions? Contact our technical specialists for international application recommendations, global compliance data, or volume pricing for your multi-voltage industrial ventilation requirements. Request Technical Support Request Volume Pricing Show more