S3G500-AA74-21 EBMpapst Axial fan 0.74kW 200/277V 3.25A 1440rpm
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} .benefits-grid { grid-template-columns: 1fr; gap: 20px; } .applications-grid { grid-template-columns: 1fr; } .features-grid { grid-template-columns: 1fr; } .specs-table td { padding: 12px 15px; display: block; width: 100%; } .specs-table td:first-child { width: 100%; background-color: #e6f0ff; border-bottom: none; 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, .technical-features { 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; } } EBMPAPST S3G500-AA74-21 Axial Fan High-Performance 0.74kW EC Axial Fan | 1~200-277V Professional 0.74kW EC axial fan featuring advanced single-phase operation with wide voltage 200-277V compatibility and intelligent 1440 RPM speed control. German-engineered by EBMPAPST with 16kg robust construction for exceptional durability exceeding 10+ years, ultra-quiet performance, superior energy efficiency with intelligent power management, and massive 500mm diameter airflow for exceptional heat dissipation in large-scale industrial applications. Core Performance Advantages 🏆 10+ Years Industrial Durability German-engineered EBMPAPST construction with 16kg heavy-duty industrial design ensures reliable, long-term operation exceeding 10+ years. Premium materials, precision manufacturing, and reinforced axial fan components guarantee exceptional lifespan in demanding environments with minimal maintenance requirements. 🔇 Ultra-Quiet Operation Optimized 1440 RPM operation with advanced EC motor technology and aerodynamic blade design delivers exceptionally quiet performance. Precision engineering, vibration-damping technology, and intelligent speed control minimize noise, making it ideal for noise-sensitive environments like hospitals, offices, and commercial spaces. ⚡ Energy Efficient EC Technology Efficient 0.74 kW power consumption with advanced EC motor technology provides exceptional energy savings compared to traditional AC fans. With only 3.25A current draw, this innovative design significantly reduces operational costs while maintaining excellent performance, perfect for continuous operation and energy-sensitive applications. 💨 Massive 500mm Airflow Volume Large 500mm diameter with optimized axial blade design generates powerful directional airflow with exceptional volume capacity. Superior air movement capabilities provide remarkable heat dissipation for large-scale applications, making it perfect for industrial facilities requiring significant cooling performance. Industry Applications The EBMPAPST S3G500-AA74-21 is engineered for large-scale applications across multiple industries requiring reliable, energy-efficient axial airflow solutions with EC technology. 🏭 Large Industrial Ventilation ❄️ Central HVAC Systems 🧊 Industrial Refrigeration 🔥 Large Heating Systems ⚙️ Industrial Automation 🔌 Frequency Converters 🚄 Rail Transportation HVAC 🏢 Commercial FFU/AHU Systems 🌫️ Industrial Air Purification 🚗 EV Battery Cooling Systems 🏗️ Industrial Process Cooling 💻 Large Data Center Cooling ⚡ Power Plant Ventilation 🏥 Hospital HVAC Systems 🔬 Laboratory Ventilation 🏭 Factory Exhaust Systems 📡 Telecom Equipment Cooling 🔋 Battery Storage Systems 🌾 Agricultural Ventilation 🏊 Swimming Pool Dehumidification Advanced Technical Features Optimized 1440 RPM EC Operation Carefully calibrated 1440 RPM speed with advanced EC (Electronically Commutated) motor technology delivers the perfect balance between massive airflow and ultra-quiet operation. This optimized speed ensures exceptional cooling performance while maintaining minimal noise levels, ideal for continuous operation in occupied spaces. Efficient 3.25A Current Draw With only 3.25A current draw at 0.74kW, this EC fan provides outstanding energy efficiency for its massive 500mm size. The intelligent motor control minimizes operational costs and reduces electrical infrastructure requirements, perfect for energy-sensitive large-scale applications. Wide Voltage 200-277V Compatibility Advanced single-phase EC motor with wide voltage range (200-277V) provides smooth, efficient power delivery compatible with global power systems. Perfect for installations worldwide without requiring special transformers, from 208V to 240V to 277V applications. Heavy-Duty 16kg Industrial Construction 16kg robust construction with 58×58×29cm dimensions and massive 500mm diameter provides exceptional stability and durability. German engineering ensures reliable performance in the most demanding large-scale applications with 10+ year lifespan and minimal maintenance requirements. DATASHEET Technical Specifications Model Number S3G500-AA74-21 Manufacturer EBMPAPST GERMANY Product Type Axial Fan EC TECHNOLOGY Condition Original new from manufacturer Rated Power 0.74 kW ENERGY SAVING Rated Voltage 1~200-277 V WIDE VOLTAGE Frequency 50/60 Hz Rated Current 3.25 A Speed 1440 rpm ULTRA-QUIET Net Weight 16 kg HEAVY DUTY Shipping Dimension 58 × 58 × 29 cm Country of Origin Germany HS Code 8414599099 Warranty 1 Year Manufacturer Warranty Shipping, Warranty & Service Shipping From: 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 EBMPAPST. Product Guarantee: We sell only genuine EBMPAPST 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. Frequently Asked Questions Q1: How does the S3G500-AA74-21 achieve massive airflow with only 0.74kW power consumption? A: This fan utilizes advanced EC (Electronically Commutated) motor technology combined with a massive 500mm diameter aerodynamic blade design. The EC motor provides exceptional efficiency by optimizing the magnetic field and reducing losses, while the large blade diameter moves substantial air volumes at lower RPMs. This revolutionary design delivers airflow comparable to much higher wattage traditional fans while consuming only 0.74kW, representing energy savings of 40-60% compared to conventional AC fans. Q2: What makes this 16kg EBMPAPST fan last over 10 years? A: The 16kg robust construction incorporates premium materials, precision German manufacturing standards, high-quality sealed ball bearings, and reinforced components throughout. The EC motor design eliminates brush wear and reduces heat generation, significantly extending motor life. Every component is optimized for long-term reliability in demanding continuous operation environments with minimal maintenance requirements, ensuring exceptional service life exceeding 10 years. Q3: How does the wide voltage 200-277V capability benefit global installations? A: The wide voltage range (200-277V) means this fan can be installed in facilities with different power systems worldwide without requiring additional transformers or modifications. It automatically adapts to 208V, 220V, 230V, 240V, and 277V single-phase systems commonly found across North America, Europe, Asia, and other regions. This flexibility simplifies procurement, reduces installation costs, and makes the fan ideal for multinational projects and equipment manufacturers exporting globally. Q4: What cooling performance can I expect from the 500mm diameter and 1440 RPM airflow? A: The massive 500mm diameter combined with optimized 1440 RPM speed and advanced aerodynamic blade design generates exceptional directional airflow with very high volume capacity. This provides remarkable heat dissipation for large industrial equipment, entire production facilities, data centers, and HVAC systems. The fan moves a substantial volume of air efficiently, ensuring components and spaces stay within optimal temperature ranges even under heavy load conditions, all while maintaining whisper-quiet operation. Need Large-Scale EC Axial Fan Solutions? Contact our technical specialists for application-specific recommendations, performance data, or volume pricing for your industrial ventilation and cooling requirements. Request Technical Support Request Volume Pricing Customer Reviews ★★★★★ Verified Purchase "Amazing EC fan! 500mm diameter moves enormous air while drawing only 3.25A. Installation was seamless with wide voltage range. Ultra-quiet operation and solid 16kg German build quality. Our facility has never been this efficiently cooled!" — Markus Wagner, Industrial Plant Manager Reviewed on: March 6, 2026