This axial flow fan is published with the manufacturer’s full specification — 110 V, power source Electric. Made by Guangzhou Yuexiu District Weikeheng Electronic Firm (2 years on the platform, typical reply ≤2h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Axial Flow Fan
- Model Number: WKH 75WKH4-SB
- Power Source: Electric
- Voltage: 110 V
- Material: Aluminum Alloy
- Blade Material: Aluminum Alloy
- Speed: 5000 – 6500 RPM
Technical Specifications
| Voltage | 110 V |
|---|---|
| Speed | 5000 – 6500 RPM |
| Type | High-Temperature Axial Fan |
| Material | Aluminum Alloy |
| Blade Material | Aluminum Alloy |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Guangdong, China |
| Brand Name | WEIKEHENG |
| Model Number | WKH 75WKH4-SB |
| Color | Black |
| Dimensions | 80 x 80 x 25 mm (3.15 x 3.15 x 1.0 inch) |
| Insulation Class | Class A |
| Operating Temp. | -10°C to +70°C (14°F to 158°F) |
| Life Expectancy | 50,000 Hours (at 40°C) |
| Weight | Approx. 95g (0.21 lbs) |
| Certificates | CE, RoHS, FC Compliant |
| Keywords | Industrial Axial Flow Fan, Server Cooling Fan, DC Brushless Fans BLDC |
| Selling Units | Single item |
| Single Package Size | 17.5X9.5X11 cm |
| Single Gross Weight | 0.123 kg |
Product Details
- 17.6W Ultimate Output: 110V DC high voltage drive delivers industry-leading airflow for 80mm size.
- Extreme Heat Removal: Engineered to protect high-load industrial inverters and power systems.
- 110V DC Support: Specifically designed for specialized industrial DC grids and high-voltage automation.
- Stable BLDC Motor: Advanced brushless technology ensures consistent performance under constant load.
- Premium Dual Ball Bearing: Supports 50,000+ hours of reliable 24/7 mission-critical operation.
- Rugged PBT Build: High-strength flame retardant housing (UL94V-0) for maximum industrial safety.




80x80x25mm ACFan | ||
Model Number | WKH 75WKH4-SB | |
Dimensions | 80 x 80 x 25 mm (3.15 x 3.15 x 1.0 inch) | |
Rated Voltage | DC 110V (Special High Voltage) | |
Operating Voltage | 90V – 125V DC | |
Rated Speed (RPM) | 5000 – 6500 RPM (High Speed) | |
Rated Current | 0.16 Amps | |
Power Consumption | 17.6 Watts (Extreme Power) | |
Max. Airflow | 65.0 – 78.0 CFM (Hurricane Level) | |
Max. Static Pressure | 120 – 160 Pa (High Compression) | |
Bearing Type | Precision Dual Ball Bearing | |










MODEL | Rated Voltage | Rated Current | Rated Input Power | Speed | Maximum Air Flow | Maximum Air Pressure | Noise | ||||
PART NO. | VDC | Amp | Watt | R.P.M. | m3 /min | Hz | Kg | Abbreviation | dB-A | ||
WKH75WKH1-SB | 110 | 0.16 | 14 | 2400 | 0.6 | 50 | 0.45 | 8038 | 40 | ||
WKH75WKH2-SB | 220 | 0.08 | 14 | 2400 | 0.6 | 50 | 0.45 | 8038 | 40 | ||
WKH75WKH3-SB | 380 | 0.06 | 14 | 2400 | 0.6 | 50 | 0.45 | 8038 | 40 | ||
WKH75WKH4-SB | 110 | 0.16 | 13 | 2400 | 0.6 | 50 | 0.35 | 8025 | 40 | ||
WKH75WKH5-SB | 220 | 0.08 | 13 | 2400 | 0.6 | 50 | 0.35 | 8025 | 40 | ||
WKH75WKH6-SB | 380 | 0.06 | 13 | 2400 | 0.6 | 50 | 0.35 | 8025 | 40 | ||


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Item | Custom Options |
Product Name | Custom AC Axial Fan, DC Axial Cooling Fan 5020 |
Available Sizes | 15mm,17mm,18mm,20mm,25mm,30mm,35mm,36mm,38mm,40mm,45mm,50mm,52mm,60mm,70mm,80mm,92mm,120mm,125mm,127mm,136mm,140mm,150mm,160mm,172mm,200mm,220mm,225mm,254mm,280mm |
Material | Plastic Frame & Blades / Metal Frame & Metal Blades (Optional) |
Bearing Type | Double Ball Bearing / Hydraulic Bearing |
Working Voltage | DC: 5V,12V,24V,48V |
AC: 115V,230V,380V,480V | |
EC: 115V,230V Customized | |
Custom Features | PWM/FG/RD, IP waterproof, high temp, low noise |
Custom Parts | Logo printing, wire length, plug, fan guard |
Service | OEM & ODM, sample development |
Application Scenarios | Household Appliances, Industrial Machinery, Aerospace Equipment, Power Supply Equipment, Cooling System, Ventilation Devices & More |








Item | Custom Specifications |
Product Name | DC / AC / EC Centrifugal Blower Fan |
Available Sizes | 15mm,17mm,18mm,20mm,25mm,30mm,35mm,36mm,38mm,40mm,45mm,50mm,52mm,60mm,70mm,80mm,92mm,120mm,125mm,127mm,136mm,140mm,150mm,160mm,172mm,200mm,220mm,225mm,254mm,280mm custom sizes supported |
Material | Galvanized metal housing; galvanized metal / plastic impeller optional |
Motor Type | AC capacitor motor, DC / EC brushless outer rotor motor |
Working Voltage | DC 5/12/24/48V; AC 115/230/380/480V; EC 115/230V |
Custom Functions | PWM speed control, IP waterproof, custom wire & plug, laser logo |
Wide Application | Split air conditioner, air curtain, industrial cooling equipment, humidifier, heater, ventilation cabinet, charging pile, medical equipment |
Service | OEM ODM custom, sample drawing development |


Custom Protective Cover
sizes:15/17/18/20/25/30/35/36/38/40/45/50/52/60/70/80/92/120/125/127/136/140/150/160/172/200/220/280mm


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Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–199 piece: US $3.1 / piece
- 200–9999 piece: US $3 / piece
- 10000–19999 piece: US $2.7 / piece
- 20000+ piece: US $2 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this axial flow fan?
The standard minimum order quantity is 1 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this axial flow fan carry?
It is supplied with CE, RoHS, FC Compliant documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the axial flow fan be supplied for my local voltage?
The standard configuration is 110 V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Guangzhou Yuexiu District Weikeheng Electronic Firm, based in China. The company 2 years as a verified Alibaba.com supplier, Trading Company. Browse the full Guangzhou Yuexiu District Weikeheng Electronic Firm range on HVACR Nexus.
See more in Ventilation Fan Parts on HVACR Nexus.

























