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Lead Time: Usually ship in 5 days, Ship international
Base in Hongkong, Ship from HongKong
Delivery time around 5-8 days by UPS
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Professional 3.7kW axial fan featuring advanced EC technology with wide voltage 380/480V compatibility, powerful 1580 RPM operation. German-engineered by Ebm-papst with massive 630mm diameter and 18kg heavy-duty robust construction for exceptional durability exceeding 10+ years, ultra-quiet performance, superior energy efficiency with 5.6A current draw, and massive high-volume axial airflow up to 35,000 m³/h for superior heat dissipation in large-scale industrial applications .
German-engineered Ebm-papst construction with 18kg heavy-duty industrial design ensures reliable, long-term operation exceeding 10+ years. Premium materials, high-quality ball bearings, and precision manufacturing guarantee exceptional lifespan in the most demanding environments with minimal maintenance requirements . Ebm-papst has over 100 years of engineering expertise, and their fans are designed for high durability and reliability in continuous operation .
Optimized 1580 RPM operation with advanced EC motor technology and aerodynamic blade design delivers exceptionally quiet performance for a fan of this size. Precision engineering, vibration-damping technology, and intelligent speed control minimize noise, making it suitable for noise-sensitive industrial environments while maintaining powerful airflow .
Efficient 3.7kW power consumption with 5.6A current draw provides exceptional energy savings for a fan of this massive capacity. Advanced EC motor technology significantly reduces operational costs while maintaining excellent performance, perfect for continuous operation in energy-sensitive large-scale industrial applications .
Massive 630mm diameter with optimized axial blade design and 1580 RPM EC motor generates exceptional directional airflow with volume capacity up to 35,000 m³/h . Superior air movement capabilities provide remarkable heat dissipation, making it perfect for large-scale industrial applications requiring significant cooling performance .
The Ebm-papst A3G630-AU31-031 is engineered for large-scale applications across multiple industries requiring reliable, energy-efficient axial airflow solutions .
Large 630mm diameter with advanced EC (Electronically Commutated) motor technology delivers exceptional airflow up to 35,000 m³/h . This size ensures maximum cooling performance, ideal for demanding large-scale industrial applications requiring significant air movement .
With 5.6A current draw at 3.7kW, this EC fan provides outstanding energy efficiency for its massive capacity. The intelligent motor control minimizes operational costs and reduces electrical infrastructure requirements, perfect for energy-sensitive large-scale industrial applications .
Advanced three-phase EC motor with wide voltage range (380-480V) provides smooth, efficient power delivery compatible with global industrial power systems. Perfect for installations worldwide without requiring special transformers, from 380V to 400V to 415V to 480V applications .
18kg heavy-duty construction with 630mm diameter and 73×73×35cm dimensions 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 .
| Model Number | A3G630-AU31-031 |
| Manufacturer | Ebm-papst GERMANY |
| Product Type | Axial Fan 630mm |
| Condition | Original new from manufacturer |
| Rated Power | 3.7 kW GREEN TECH |
| Rated Voltage | 3~380/480V WIDE VOLTAGE |
| Frequency | 50/60 Hz |
| Rated Current | 5.6 A EFFICIENT |
| Speed | 1580 rpm QUIET |
| Fan Diameter | 630 mm |
| Max Airflow | Up to 35,000 m³/h MASSIVE FLOW |
| Net Weight | 18 kg HEAVY DUTY |
| Shipping Dimension | 73 × 73 × 35 cm |
| Country of Origin | Germany |
| HS Code | 8414599099 |
| Warranty | 1 Year Manufacturer Warranty |


Shipping, Warranty & ServiceShipping 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 Ebm-papst.
Product Guarantee: We sell only genuine Ebm-papst 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 sales@axialfanz.com for volume pricing and custom quotations.
A: This fan utilizes advanced EC (Electronically Commutated) motor technology combined with a massive 630mm diameter axial blade design. The EC motor provides exceptional efficiency by optimizing the magnetic field and reducing losses, while the large aerodynamic blades maximize air movement at 1580 RPM. Ebm-papst's EC technology achieves significant energy savings compared to conventional AC motors while delivering powerful airflow up to 35,000 m³/h .
A: The 18kg heavy-duty 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 .
A: The wide voltage range (380-480V) means this fan can be installed in facilities with different power systems worldwide without requiring additional transformers or modifications. It automatically adapts to 380V, 400V, 415V, 440V, and 480V three-phase systems commonly found across Europe, Asia, North America, and other regions. This flexibility simplifies procurement, reduces installation costs, and makes the fan ideal for multinational projects .
A: The massive 630mm diameter combined with 1580 RPM speed and advanced EC motor generates exceptional directional airflow with very high volume capacity up to 35,000 m³/h . This provides remarkable heat dissipation for large industrial equipment, entire production facilities, data centers, and HVAC systems. The fan delivers consistent, powerful airflow for cooling large spaces and equipment, ensuring components and spaces stay within optimal temperature ranges under heavy load conditions .
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"Incredible EC axial fan! 630mm diameter moves massive 35,000 m³/h with only 5.6A draw - huge energy savings. Runs quiet at 1580rpm. Solid 18kg German quality. Perfect for our factory ventilation!"
— Klaus Hoffmann, Plant Engineer
Reviewed on: March 6, 2026
Gurantee genuine products from manufacturer
One Year Warranty
AXIALFAN One Year Warranty protects your purchase from Failure during normal use Up to one Year from the date of your purchase.
One Year Coverage from the date of Purchase - Included in the items Price 100% Coverage for Parts and Labor - No deductibles - Included in the items price Items repairs or the full price is refunded to you if we are unable to fix or repair One Year Warranty covers ALL items listed on our website Buyer pay shipping fees at your side when return products, seller pay replacement products' shipping fees.How can I get AXIALFAN One Year Warranty?
AXIALFAN One Year Warranty is included in the items price, you do not need to buy extra protection plan or additional warranties.
How do I purchase a AXIALFAN One Year Warranty?
When you complete the purchase from our website your warranty will be included with the purchase.
How long does coverage last?
Coverage is one year from the date of your purchase
When does coverage start?
Your coverage begins on the date of purchase. If the item you receive is not as it was described, you can return it for a full refund during the first 30 days from payment.
How much is covered?
For replacement payments: You are covered up to the maximum value you paid for the item. Once that amount has been paid out, your warranty is considered fulfilled.
For repairs: You're covered for multiple repairs, up to the maximum value of your item. Once the cost of repairs meets the full purchase price of the item, your warranty is considered fulfilled.
Software: Software issues are not covered.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.