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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 350W axial fan featuring 1300 RPM operation with single-phase 230V AC power and M4E094-EA motor. German-engineered by EBM-PAPST with robust ball bearing construction for exceptional durability exceeding 10+ years, ultra-quiet 73dBA operation, superior energy efficiency with low 1.55A current draw, and massive 450mm diameter airflow of 5770m³/h for superior heat dissipation in large-scale industrial applications. IP44 rated for protection against splashing water .
German-engineered EBM-PAPST construction with high-quality ball bearings ensures reliable, long-term operation exceeding 10+ years. Premium materials, precision manufacturing, and robust metal impeller guarantee exceptional lifespan in demanding environments with minimal maintenance requirements . EBM-PAPST fans are globally recognized for their durability and reliability in continuous operation [citation:5][citation:7].
Optimized 1300 RPM operation with advanced axial fan design delivers exceptionally quiet performance at only 73dBA. EBM-PAPST's precision engineering, aerodynamic blade optimization, and vibration-damping technology minimize noise, making it suitable for noise-sensitive environments while maintaining powerful airflow [citation:2].
Efficient 350W power consumption with low 1.55A current draw provides exceptional energy savings for a fan with 5770m³/h capacity. This innovative design significantly reduces operational costs while maintaining excellent performance, perfect for continuous operation in energy-sensitive industrial applications [citation:1][citation:4].
Large 450mm diameter with optimized axial blade design generates powerful directional airflow with exceptional 5770m³/h volume capacity and 21.94mm H2O static pressure . Superior air movement capabilities provide remarkable heat dissipation, making it perfect for large-scale applications requiring significant cooling performance [citation:1][citation:4].
The EBM-PAPST S4E450-AU03-01 is engineered for heavy-duty applications across multiple industries requiring reliable, energy-efficient axial airflow solutions [citation:8][citation:10].
Optimized 1300 RPM speed delivers exceptional airflow of 5770m³/h with static pressure of 21.94mm H2O . This powerful speed ensures maximum cooling performance, ideal for demanding industrial applications requiring significant air movement [citation:1][citation:4].
Low current consumption of only 1.55A at 350W provides outstanding energy efficiency for its massive 5770m³/h capacity. The intelligent motor design minimizes operational costs and reduces electrical infrastructure requirements, perfect for energy-sensitive large-scale applications [citation:1][citation:4].
Standard single-phase 230V motor with M4E094-EA provides smooth, efficient power delivery compatible with common electrical systems worldwide. Easy to install without requiring specialized infrastructure, perfect for industrial and commercial applications alike [citation:1][citation:7].
Engineered for extreme environments with operating temperature range from -40°C to +55°C . IP44 protection rating provides excellent resistance against solid objects and splashing water, ensuring reliable performance in harsh industrial conditions [citation:1][citation:4].
| Model Number | S4E450-AU03-01 |
| Manufacturer | EBM-PAPST GERMANY |
| Product Type | Axial Fan 450mm |
| Type of Fan | AC |
| Condition | Original new from manufacturer |
| Power Consumption | 350 W EFFICIENT |
| Supply Voltage | 230V AC SINGLE PHASE |
| Frequency | 50/60 Hz |
| Current Rating | 1.55 A LOW CURRENT |
| Speed | 1300 rpm 73dBA |
| Fan Efficiency | 5770 m³/h MASSIVE FLOW |
| Static Pressure | 21.94 mm H2O / 120 Pa |
| Fan Dimensions | Ø446 × 172.5 mm |
| Fan Diameter | 450 mm |
| Kind of Bearing | Ball Bearing 10+ YEARS |
| Operating Temperature | -40...55°C EXTREME |
| Fan Motor | M4E094-EA |
| IP Rating | IP44 |
| Insulation Class | F |
| Protection Class | I |
| Impeller Material | Metal |
| Air Flow Direction | From impeller to motor |
| Net Weight | 7.56 kg HEAVY DUTY |
| Shipping Dimension | 53 × 53 × 36 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 [citation:7].
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 motor technology combined with a highly efficient 450mm diameter axial blade design. The aerodynamic blades are engineered for maximum air movement efficiency at 1300 RPM, delivering exceptional 5770m³/h airflow while maintaining low 350W power consumption. The metal impeller construction and optimized airfoil design contribute to its outstanding performance [citation:1][citation:4][citation:5].
A: The S4E450 features high-quality ball bearings, robust metal impeller construction, and precision German manufacturing standards. Ball bearings are the most common choice for axial fans due to their excellent service life - they can run at full speed continuously for many years without interruption . The IP44 rating provides protection against splashing water, and the wide operating temperature range of -40 to 55°C ensures reliable performance in extreme conditions [citation:1][citation:4][citation:7].
A: Yes, the S4E450-AU03-01 is designed for demanding applications with its IP44 rating providing protection against solid objects and splashing water. The operating temperature range of -40°C to +55°C makes it suitable for both extreme cold and hot environments. The metal impeller and robust construction ensure reliable performance even in challenging industrial conditions [citation:1][citation:4][citation:7].
A: The S4E450-AU03-01 is widely used in precision air conditioning for data centers, industrial ventilation systems, HVAC equipment, refrigeration units, and cleanroom technology [citation:8][citation:10]. Its massive 5770m³/h airflow makes it ideal for any application requiring significant air movement, including heat exchangers and outdoor condenser units [citation:5][citation:8].
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 airflow! 5770m³/h with only 1.55A draw - huge energy savings. Runs quiet at 1300rpm. Solid 7.5kg German quality with ball bearings. Perfect for our industrial 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.