ebmpapst W3G800 Series AxiBlade 800mm EC S-Series Axial Fan
Product Overview
The W3G800 series are large-size 3-phase EC axial fans belonging to ebmpapst AxiBlade S series with sickle-shaped 0° pitch blades. All models adopt IP55 industrial protection, F-class insulation, sealed ball bearings and full intelligent control system. There are four different structural variants: square full nozzle type (W3G800-KU21-05 / KH94-01 / KS39-03) and guide vane integrated type (W3G800-LV05 / LV05-36), covering low, medium and high speed power grades. They fully comply with EU ErP 2011 energy efficiency standards and are designed for heavy-duty industrial ventilation, dry coolers, energy storage and large HVAC equipment.
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1. Core Performance Comparison Table
| Parameter Item | W3G800-KH94-01 | W3G800-KS39-03 | W3G800-KU21-05 | W3G800-LV05 | W3G800-LV05-36 |
|---|---|---|---|---|---|
| Motor Model | M3G112-IA | M3G150-FF | M3G150-IF | M3G150-NA | M3G150-NA |
| Rated Voltage | 380–480 VAC 3-phase | 380–480 VAC 3-phase | 380–480 VAC 3-phase | 380–480 VAC 3-phase | 380–480 VAC 3-phase |
| Rated Speed (rpm) | 780 | 940 | 1100 | 1190 | 1190 |
| Rated Power (W) | 830 | 1950 | 2900 | 3500 | 3500 |
| Rated Current (A) | 1.3 | 3.1 | 4.4 | 5.3 | 5.3 |
| Max Static Pressure (Pa) | 120 | 220 | 260 | 350 | 350 |
| Optimum Airflow (m³/h) | 12545 | 16655 | 19455 | 19225 | 19225 |
| Overall Efficiency (%) | 50.5 | 50.7 | 49.8 | 56.6 | 56.6 |
| Total Weight (kg) | 32 | 39.85 | 45.02 | 51.4 | 52.4 |
2. Unified General Specifications
| Item | Technical Details |
|---|---|
| Fan Diameter | 800 mm |
| Blade Spec | 5 pcs sickle PP blade, 0° pitch, clockwise rotation (viewed from rotor side) |
| Main Materials | Galvanized steel housing & grille with black coating; Die-cast aluminum electronics box; LV series equipped PP guide vanes & internal diffuser |
| Bearing | Sealed precision ball bearing |
| Operation Mode | S1 24-hour continuous duty |
| Protection Class | IP55 |
| Insulation Class | Class F, H2 environmental grade (LV05-36 upgraded to H2+C) |
| Power Supply | 3-phase 380~480 VAC, 50/60 Hz |
| Ambient Temp | Operation: -40 ℃ ~ +60 ℃ (intermittent startup allowed below -25℃); Storage: -40 ~ +80 ℃ |
| Mounting | Shaft horizontal / rotor bottom default, rotor upward optional; Built-in condensate drain holes |
| Standard Cutout Sizes | BG630 Ø785 / BG710 Ø830 / BG800 Ø950 / BG910 Ø1050 mm |
3. Standard Control & Communication Functions
- Speed Control: 0–10 V analog / PWM dual regulation with integrated PI controller
- Communication: RS485 MODBUS-RTU V6.3, support offline parameter setting via 15–50 VDC external power
- I/O Interface: Configurable multi-channel digital/analog input & 0–10V analog output
- Auxiliary Power: 3.3~24 VDC adjustable output (Max 800 mW) for external sensors
- Status Feedback: Tri-color LED indicator + floating fault relay (NC/COM)
- Startup: Soft start to suppress inrush current
4. Full Protection Mechanisms
- Electrical: Reverse polarity, locked rotor auto-restart, over/undervoltage, phase loss, motor current limiting
- Thermal: Overheat protection for motor & drive electronics
- EMC: Comply with EN 61000-6-2 (industrial immunity) & EN 61000-6-3 (emission)
- Safety touch current ≤ 3.5 mA
5. Certifications & Compliance
- Standards: EN 61800-5-1
- Certifications: CE, UKCA, EAC, UL, CSA, partial models with CCC
- Energy: Exceeds EU ErP 2015 efficiency minimum requirement (N≥40)
6. Two Structural Versions Difference
- KU / KH / KS (Square Full Nozzle): Simple housing without internal guide vanes, lighter weight, cost-effective for general ventilation.
- LV (With Guide Vanes & Diffuser): Built-in PP flow guide components, higher static efficiency, better airflow straightening, suitable for duct & high-resistance systems, heavier body.
7. Typical Applications
Dry coolers, industrial HVAC, refrigeration systems, energy storage cabinets, large inverter equipment, factory exhaust & intake ventilation, data center air handling units.
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