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Description
ebm-papst W3G800-KU21-05 Axial EC Square Plate Fan 800mm 3~380-480V 4.4A 2900W 1100RpmEBMPAPST W3G800 KU21 05 Axial Fan Ultra High Performance 2900W EC Axial Fan 3~380 480V 800mm 1100 RPM M3G150 IF Motor Professional 2900W axial fan featuring advanced EC technology with wide voltage 380 480V compatibility, powerful 1100 RPM operation, and M3G150 IF motor. German engineered by EBMPAPST with massive 800mm diameter and 30kg heavy duty robust construction for exceptional durability exceeding 10+ years, ultra quiet performance, superior
EBMPAPST W3G800-KU21-05 Axial Fan
Professional 2900W axial fan featuring advanced EC technology with wide voltage 380-480V compatibility, powerful 1100 RPM operation, and M3G150-IF motor. German-engineered by EBMPAPST with massive 800mm diameter and 30kg heavy-duty robust construction for exceptional durability exceeding 10+ years, ultra-quiet performance, superior energy efficiency with ultra-low 4.4A current draw, and massive high-volume axial airflow up to 55,000 m³/h for superior heat dissipation in the most demanding large-scale industrial applications .
Core Performance Advantages
10+ Years Industrial Durability
German-engineered EBMPAPST construction with 30kg 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 . EBMPAPST fans are globally recognized for their durability and reliability in continuous operation .
Ultra-Quiet 1100 RPM Operation
Optimized 1100 RPM operation with advanced EC motor technology and aerodynamic blade design delivers exceptionally quiet performance for a fan of this massive 800mm size. Precision engineering, vibration-damping technology, and intelligent speed control minimize noise, making it suitable for noise-sensitive industrial environments while maintaining powerful airflow .
Energy Efficient EC Technology
Efficient 2900W power consumption with ultra-low 4.4A current draw provides exceptional energy savings for a fan of this massive capacity. Advanced EC motor technology with M3G150-IF motor significantly reduces operational costs while maintaining excellent performance, perfect for continuous operation in energy-sensitive large-scale industrial applications .
Massive 800mm High-Volume Airflow
Massive 800mm diameter with optimized axial blade design and 1100 RPM EC motor generates exceptional directional airflow with volume capacity up to 55,000 m³/h . Superior air movement capabilities provide remarkable heat dissipation, making it perfect for the most demanding large-scale industrial applications requiring maximum cooling performance .
Industry Applications
The EBMPAPST W3G800-KU21-05 is engineered for the most demanding large-scale applications across multiple industries requiring reliable, energy-efficient axial airflow solutions .
Advanced Technical Features
Massive 800mm Diameter with M3G150-IF EC Motor
Large 800mm diameter with advanced EC (Electronically Commutated) motor technology featuring M3G150-IF motor delivers exceptional airflow up to 55,000 m³/h . This massive size ensures maximum cooling performance, ideal for the most demanding large-scale industrial applications requiring significant air movement .
Ultra-Efficient 4.4A Current Draw
With only 4.4A current draw at 2900W, 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 .
Three-Phase 380-480V Wide Voltage
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 .
Heavy-Duty 30kg Industrial Construction
30kg heavy-duty construction with 800mm diameter and 99×99×40cm 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 .
DATASHEET
Technical Specifications
| Model Number | W3G800-KU21-05 |
| Motor Number | M3G150-IF |
| Manufacturer | EBMPAPST GERMANY |
| Product Type | Axial Fan 800mm |
| Condition | Original new from manufacturer |
| Rated Power | 2900 W GREEN TECH |
| Rated Voltage | 3~380-480V WIDE VOLTAGE |
| Frequency | 50/60 Hz |
| Rated Current | 4.4 A ULTRA EFFICIENT |
| Speed | 1100 rpm QUIET |
| Fan Diameter | 800 mm |
| Max Airflow | Up to 55,000 m³/h ULTRA MASSIVE FLOW |
| Net Weight | 30 kg HEAVY DUTY |
| Shipping Dimension | 99 × 99 × 40 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 W3G800-KU21-05 achieve massive 55,000 m³/h airflow with only 4.4A current draw?
A: This fan utilizes advanced EC (Electronically Commutated) motor technology with M3G150-IF motor combined with a massive 800mm 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 1100 RPM. EBMPAPST's GreenTech EC motors achieve up to 80% energy savings compared to conventional AC motors while delivering powerful airflow up to 55,000 m³/h .
Q2: What makes this 30kg EBMPAPST fan last over 10 years?
A: The 30kg 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 .
Q3: How does the wide voltage 380-480V capability benefit global installations?
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 and equipment manufacturers exporting globally .
Q4: What cooling performance can I expect from the 800mm diameter axial airflow?
A: The massive 800mm diameter combined with 1100 RPM speed and advanced EC motor generates exceptional directional airflow with very high volume capacity up to 55,000 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 the most demanding load conditions .
Need Large-Scale 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 PricingCustomer Reviews
"Incredible EC fan! 800mm diameter moves massive 55,000 m³/h with only 4.4A draw - unbelievable efficiency. Runs quiet at 1100rpm. Solid 30kg German quality with M3G150-IF motor. Perfect for our power plant!"
— Klaus Hoffmann, Plant Engineer
Reviewed on: March 6, 2026
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy