ebmpapst W3G710-NU31-03 AxiBlade 710mm EC Axial Fan
Product Overview
W3G710-NU31-03 is a large-size three-phase EC axial fan from ebmpapst AxiBlade S series. Equipped with sickle-shaped impeller, integrated M3G150-IF motor, integral fan housing and protective grille. It delivers large airflow and stable static pressure, featured with IP55 protection grade, complete intelligent control, communication and multi-protection functions. Fully compliant with EU ErP standards, it is widely used in large industrial ventilation, cooling towers, refrigeration units and other heavy-duty applications.
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1. Core Performance & Electrical Parameters
| Item | Specification |
|---|---|
| Model | W3G710-NU31-03 |
| Matched Motor | M3G150-IF |
| Power Supply | 3-phase 380~480 VAC, 50/60 Hz |
| Rated Speed | 1680 rpm |
| Rated Power | 3800 W |
| Rated Current | 5.8 A |
| Max Static Pressure | 420 Pa (1.69 in.wg) |
| Airflow @ Optimal Efficiency | 17375 m³/h |
| Overall Efficiency | 52.2% |
| Efficiency Grade | 55 |
| Total Weight | 39.8 kg |
2. Mechanical & Structural Specifications
| Item | Specification |
|---|---|
| Fan Size | 710 mm |
| Impeller | 5 pcs sickle-shaped blades, 0° pitch, PP material |
| Rotation & Airflow | Clockwise (view from rotor), axial air outlet |
| Main Material | Fan housing & grille: Galvanized steel with black plastic coating; Electronic box: Die-cast aluminum; Rotor: Painted black |
| Bearing | Precision ball bearing |
| Operation Mode | S1 (24-hour continuous operation) |
| Protection Class | IP55 |
| Insulation Class | F |
| Environmental Class | H2 |
| Mounting | Shaft horizontal / rotor downward (rotor upward optional); With drain holes on rotor side |
| Mounting Cutout | BG630: Ø785 mm / BG710: Ø830 mm / BG800: Ø950 mm / BG910: Ø1050 mm |
3. Ambient Parameters
| Item | Specification |
|---|---|
| Operating Temperature | -40 ℃ ~ +60 ℃ (Intermittent start allowed between -40℃ and -25℃) |
| Storage Temperature | -40 ℃ ~ +80 ℃ |
| Leakage Current | ≤ 3.5 mA (Compliant with IEC 60990) |
4. Control & Communication Features
- Speed Regulation: 0-10V analog / PWM dual speed control
- Communication Protocol: MODBUS-RTU V6.3, support remote parameter setting & monitoring
- Interfaces: Configurable digital & analog I/O, alarm relay output
- Auxiliary Power: 3.3~24 VDC adjustable output, Max 800 mW
- External Parameter Port: 15~50 VDC input for offline configuration
- Start Mode: Soft start to reduce inrush current
- Status Indicator: Tri-color LED (Green=Normal, Orange=Warning, Red=Fault)
5. Protection & EMC
- Electrical Protection: Reverse polarity, locked rotor, over/under voltage & phase loss protection, current limiting
- Thermal Protection: Overheat protection for motor and electronics
- EMC Standard: EN 61000-6-2 (Immunity), EN 61000-3 (Emission)
6. Certifications & Compliance
- Executive Standard: EN 61800-5-1
- Certifications: CE, UKCA, EAC, UL, CSA
- Energy Compliance: Meet EU 327/2011 ErP Ecodesign Regulation
7. Key Advantages
- High efficiency and energy saving, superior performance beyond industry requirements.
- IP55 dust & water resistance, rugged metal structure for harsh industrial environments.
- Rich interfaces and standard communication, easy to integrate into centralized control system.
- Multiple protection mechanisms ensure long-term stable 24-hour operation.
- Wide temperature adaptability, reliable for low-temperature startup.
8. Application Scenarios
Cooling towers, large air conditioning units, factory ventilation & exhaust, refrigeration equipment, energy storage systems, high-power power cabinets and large air handling systems.
Our Services
Faster delivery | Worldwide shipping | Alternative supply | Sample service | Test and warranty | In-Stock (Most products) | Quality Assured | Customization | Competitive Pricing | Cost-effective modules
Product Description
We specialize in supplying a full range of industrial and commercial cooling fans, including Axial fans, Centrifugal fans, Tangential blowers, Blowers, Air condition fans, Data center fans, and ICT fans. These fans are widely used in HVAC systems, air conditioning units, data centers, industrial automation equipment, telecom base stations, and power cabinets.
For each model, we offer three flexible supply options to meet different budget and application needs:
- New Original: 100% genuine brand-name fans, with full factory specifications and performance guarantees.
- Cost-effective Compatible: High-quality alternative fans with matching dimensions, airflow, and reliability at a lower cost.
- Economical Second-hand / Refurbished: Fully cleaned and tested units, ideal for cost-sensitive projects without compromising stability.
Key advantages for your projects:
✅ Wide range of categories: covers all major types, from compact DC fans to industrial axial/centrifugal blowers.
✅ Africa-ready performance: optimized for high-temperature, high-dust environments, perfectly suited for local conditions.
✅ Complete range & customization: various sizes, voltages, and speeds available on request.
✅ Strict quality control: every fan is tested for airflow, static pressure, noise, and stability before shipment.
✅ Reliable after-sales support: 1-year warranty included, with return/exchange options for quality issues under normal use.
About Us
Skyward Telecom (also known as Skywardtel) was founded in 2009. We have always been guided by the principle of integrity, with a mission to help engineers and businesses overcome the challenges of sourcing high-quality, cost-effective communication and cooling products.
Over the years, we have provided reliable solutions to users in more than 80 countries worldwide, earning widespread recognition for our professionalism and service.
FAQ
- Who are we?
We are a professional cooling fan supplier based in Guangdong, China, since 2009. We specialize in a full range of industrial and commercial fans, serving customers worldwide with a core focus on:
- Africa (50.00%)
- Europe (15.00%)
- Middle East (10.00%)
- Southeast Asia (5.00%)
- Americas (20.00%)
Our team has about 80-100 people, with dedicated support for emerging markets like Africa.
- How can we guarantee fan quality?
- Pre-production samples are available for confirmation before bulk orders.
- Every fan undergoes a full performance test (airflow, static pressure, noise, and stability) before shipment.
- All new, compatible, or refurbished fans are professionally cleaned and inspected.
- Only units passing our strict quality control are packed and shipped.
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What types of fans can you buy from us?
We offer a complete range of cooling solutions, including:
- Axial fans: Compact DC fans (AxiForce-style) and industrial axial fans (200/250/300mm)
- Centrifugal fans: EC/AC centrifugal blowers for HVAC and industrial applications
- Tangential blowers: Cross-flow fans for air conditioners and ventilation systems
- Blowers: High-pressure blowers for boilers, heating systems, and industrial equipment
- Air condition fans: Specialized fans for commercial and industrial air conditioning units
- Data center fans: High-efficiency fans for servers, cabinets, and cooling systems
- ICT fans: Fans for telecom base stations, switches, and network equipment
We provide new original, cost-effective compatible, and tested second-hand/refurbished options for most models and brands.
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Why should you buy fans from us instead of other suppliers?✅ Full category coverage: We carry all main types of industrial and commercial fans, so you can source everything in one place.✅ Flexible options for every budget: Choose from new original, compatible, or refurbished fans to match your cost and quality needs.✅ Africa-ready solutions: Our fans are tested and suitable for high-temperature, high-dust environments common in Africa.✅ Reliable quality & service: We have served customers in over 80 countries and built a solid reputation for honest transactions and professional support.
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What services can we provide?
- Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, FCA, DDP
- Accepted Payment Currencies: USD, EUR, HKD, GBP, CNY
- Accepted Payment Types: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Cash
- Languages Spoken: English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian