This axial flow fan is published with the manufacturer’s full specification — 12 V, 24v, 48v, power source Electric. Made by Guangzhou Yuexiu District Weikeheng Electronic Firm (2 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Axial Flow Fan
- Model Number: WKH 1212LB
- Power Source: Electric
- Voltage: 12 V, 24v, 48v
- Material: Plastic
- Blade Material: PBT
- Frame Material: Thermal Plastic 94V-0
Technical Specifications
| Voltage | 12 V, 24v, 48v |
|---|---|
| Speed | 2000 – 3000 RPM |
| Type | dc cooling fan |
| Material | Plastic |
| Blade Material | PBT |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OBM, ODM, OEM |
| Place Of Origin | Guangdong, China |
| Brand Name | WEIKEHENG |
| Model Number | WKH 1212LB |
| Color | Black |
| Size | 120x120x25mm |
| Product Name | DC Cooling Fan |
| Expectancy Life | 30000~40000 Hours |
| Air Pressure | 1.67~2.61 mmH2O |
| Noise | 25~31dBA |
| Current | 0.13~0.21 A |
| Frame Material | Thermal Plastic 94V-0 |
| Keyword | Dc Cooling Fan 120x120x25 |
| Selling Units | Single item |
| Single Package Size | 21X11X14 cm |
| Single Gross Weight | 0.431 kg |
Product Details
- Massive Air Volume: Powerful 120mm blade design for maximum heat dissipation in server racks.
- Industrial Strength Cooling: Engineered to handle high thermal loads in heavy-duty industrial inverters.
- PWM Speed Control: 4-wire interface for precision speed adjustment, ensuring whisper-quiet cooling for PC.
- Silence Fan PC Tech: Precisely balanced motor reduces vibration, perfect for noise-sensitive environments.
- Premium Dual Ball Bearing: Supports 70,000+ hours of reliable 24/7 mission-critical operation.




120 x 120 x 25 mm DC FAN | WKH 1212LB (12025 Series) | |
Model Number | WKH 1212LB (12025 Series) | |
Dimensions | 120 x 120 x 25 mm (Standard 1212) | |
Rated Voltage | DC 12V (Support 24V/48V Customize) | |
Rated Speed (RPM) | 2000 – 3000 RPM (High Speed) | |
Rated Current | 0.14 Amps | |
Power Consumption | 1.68 Watts (Energy Efficient) | |
Max. Airflow | 70.0 – 85.0 CFM (High Airflow) | |
Noise Level | 28 – 35 dB-A (Silence Fan PC) | |










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 | CFM | mmH2O | IN H2O | dB-A | ||
WKH1212L | 12 | 0.14 | 1.68 | 1900 | 1.782 | 62.93 | 3.93 | 0.154 | 32.5 | ||
WKH1224L | 24 | 0.09 | 2.16 | 1900 | 1.782 | 62.93 | 3.93 | 0.154 | 32.5 | ||
WKH1212M | 12 | 0.18 | 2.16 | 2200 | 2.091 | 73.84 | 5.15 | 0.203 | 35.5 | ||
WKH1224M | 24 | 0.12 | 2.88 | 2200 | 2.091 | 73.84 | 5.15 | 0.203 | 35.5 | ||
WKH1212H | 12 | 0.23 | 2.76 | 2500 | 2.341 | 82.67 | 6.25 | 0.246 | 38.5 | ||
WKH1224H | 24 | 0.14 | 3.36 | 2500 | 2.341 | 82.67 | 6.25 | 0.246 | 38.5 | ||
WKH1212HH | 12 | 0.33 | 3.96 | 2800 | 2.694 | 95.14 | 7.73 | 0.304 | 41.5 | ||
WKH1224HH | 24 | 0.18 | 4.32 | 2800 | 2.694 | 95.14 | 7.73 | 0.304 | 41.5 | ||
WKH1212VH | 12 | 0.4 | 4.8 | 3100 | 2.938 | 103.75 | 9.43 | 0.371 | 44.5 | ||
WKH1224VH | 24 | 0.23 | 5.52 | 3100 | 2.938 | 103.75 | 9.43 | 0.371 | 44.5 | ||
WKH1212SH | 12 | 0.53 | 6.36 | 3400 | 3.203 | 113.11 | 10.92 | 0.43 | 46.5 | ||
WKH1224SH | 24 | 0.28 | 6.72 | 3400 | 3.203 | 113.11 | 10.92 | 0.43 | 46.5 | ||


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Battery Management System




















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


Custom Dust Cover
efficiency, simple to mount and clean.




Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–199 piece: US $2.9 / piece
- 200–499 piece: US $2.8 / piece
- 500–999 piece: US $2.5 / piece
- 1000+ piece: US $1.6 / 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.
Can the axial flow fan be supplied for my local voltage?
The standard configuration is 12 V, 24v, 48v. 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.
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