DC Centrifugal Fan Manufacturer
High static pressure, directional airflow, and energy‑efficient cooling for industrial and commercial applications.
DC Centrifugal Fan Technical Specifications
Factory vs Trading Company
| Frame Size | 80×80 mm, 97×94.8 mm, 100×100 mm, 120×120 mm |
|---|---|
| Thickness | 25 mm, 32 mm, 33 mm, 54 mm |
| Rated Voltage | 12V DC, 24V DC, 48V DC |
| Operating Voltage Range | 16–30V DC (24V models), 36–60V DC (48V models) |
| Speed | 2,400 – 6,300 RPM |
| Max Airflow | 18 – 230 CFM |
| Max Static Pressure | 0.79 – 1.49 inH₂O (196 – 372 Pa) |
| Noise Level | 51 – 56 dB(A) |
| Bearing Type | Ball Bearing / Sleeve Bearing / omniCOOL™ |
| Life Expectancy | 40,000 – 70,000 hours (L10 at 40°C) |
| Signal Options | 2-wire, 3-wire (tach), 4-wire (PWM + tach) |
| Protection | Auto restart, reverse polarity protection |
DC Centrifugal Fan Size Options
80×80mm Series
Thickness: 25/32mm • 24V/48V • 40~55 CFM • Up to 6,300 RPM. Compact for control cabinets & telecom shelters. (RV45-class compatible)
97×94.8mm Series
Thickness: 33mm • 12V/24V • 18 CFM • Low noise, ideal for medical ventilators and diagnostic gear.
100×100mm Series
25mm thick • 12V/24V/48V • 65 CFM @ 5,950 RPM • 1.49 inH₂O static pressure. Most popular 100x100x25mm dc centrifugal fan for industrial cooling.
120×120mm Series
32/54mm thick • 24V/48V • 140~230 CFM • 0.79 inH₂O. Highest airflow for high-density electronics.
Mini Series
(40×40×20mm)
5V/12V DC • Ultra-compact 40x40x20mm mini dc centrifugal blower fan for portable & embedded systems.
DC Centrifugal Fan Size Options
Brushless DC Motor
Maintenance‑free, up to 70,000 hrs, low electrical noise — the core of every dc brushless centrifugal fan.
High Static Pressure
1.49 inH₂O on 100mm models – consistent airflow through filters & ducts.
PWM Speed Control
4‑wire interface for dynamic speed adjustment, reducing noise and power at partial load.
Tachometer Output
Real‑time RPM feedback (FG signal) for critical telecom/medical applications.
Directional Airflow (90°)
Ideal for ducted systems and equipment with limited internal space.
Auto‑Restart Protection
Automatic recovery after rotor lock, prevents motor burnout.
Applications of DC Centrifugal Fans
Telecommunications
Base stations, communication cabinets
48V native, tach feedback for remote monitoring
Medical Equipment
Ventilators, CPAP, analyzers
Low noise, precise PWM, compact 97×94.8mm
Industrial Automation
Control cabinets, VFD cooling
High static pressure for dust filters, long life
Power Electronics
UPS, inverters, battery storage
48V native, high pressure for dense enclosures
DC Centrifugal Fan vs AC Centrifugal Fan – Comparison
| Feature | DC Centrifugal Fan | AC Centrifugal Fan |
|---|---|---|
| Voltage | 12V / 24V / 48V DC | 110V / 220V / 380V AC |
| Speed Control | PWM control (precise, built-in) | VFD control (external device required) |
| Feedback Signal | Tachometer output available | Not typically available |
| Typical Applications | Portable devices, telecom systems, battery-powered equipment | Industrial HVAC systems, large air handling units |
DC Centrifugal Fan OEM, ODM & Wholesale Services
As a specialized china dc centrifugal fan manufacturer, we support global OEMs and distributors with flexible MOQ, custom engineering, and ISO9001 quality.
OEM Services
Build to print: custom voltage, wire length, connector, terminal. MOQ flexible. Lead time 25-35 days. oem dc centrifugal fan manufacturer • oem 12v dc centrifugal fan manufacturer
ODM Services
Design from performance targets: impeller, housing, driver. Rapid prototyping in 15-20 days. odm dc centrifugal fan manufacturer • odm small dc centrifugal fan manufacturer
Wholesale & Distribution
Bulk supply: 500–1,000 pcs MOQ, tiered pricing, air/sea freight. wholesale dc centrifugal fan factory direct.
China Manufacturing Advantage
ISO9001, CE, RoHS. Competitive pricing and 100% tested. china 12v dc centrifugal fan high-quality and dc brushless centrifugal fan wholesale in china.
