Shenzhen Topfan Technology Development Co., Ltd.
| Payment Terms | T/T or western Union |
| Supply Ability | 600,000pcs per month |
| Delivery Time | 5-12 working days after received your payment |
| Packaging Details | carton |
| Product Name | Dc brushless fan |
| Voltage | 12v/24v/48v |
| Frame | Die-Cast Aluminum |
| Impeller | Plastic |
| Bearing type | Ball Bearing/Sleeve bearing/Hydraulic bearing |
| Motor | Impedance Protected and Reverse Polarity Protected |
| Speed | 2900rpm |
| Max air Flow | 220.85CFM |
| Brand Name | MX |
| Model Number | MX17251ABH2 |
| Certification | CE/ROHS/UL |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T or western Union | Supply Ability | 600,000pcs per month |
| Delivery Time | 5-12 working days after received your payment | Packaging Details | carton |
| Product Name | Dc brushless fan | Voltage | 12v/24v/48v |
| Frame | Die-Cast Aluminum | Impeller | Plastic |
| Bearing type | Ball Bearing/Sleeve bearing/Hydraulic bearing | Motor | Impedance Protected and Reverse Polarity Protected |
| Speed | 2900rpm | Max air Flow | 220.85CFM |
| Brand Name | MX | Model Number | MX17251ABH2 |
| Certification | CE/ROHS/UL | Place of Origin | China |
| High Light | dc ventilation fan ，electronics cooling fans | ||
24v dc axial fan 172×150×51mm / waterproof dc axial fan 172×150×51mm
Brushless axial dc fan 25mm, low noise and long life expectancy, are widely used in the computer information technology, network communications, as well as industrial production equipment, medical equipment, home appliances, etc.
Description:
● Brushless DC Fan, Axial DC Fan, DC Motor Fan, Waterproof moisture-proof fan, Cheap Fan, Portable Fan,
● Various Size
● High speed , Middle speed, Low speed
● Plastic Frame or Die-Cast Aluminum Frame and Plastic impeller
● 5 blades 7 blades or 9 blades
● 12V DC 24V DC or 48V DC
● Ball bearing or Sleeve bearing
● Terminal or Lead wire
● Waterproof explosion proof or high proof are can be satisfied.
Important Note:
● Rated Current: Rated Current shall be measured after 3 minutes of continuos rotation at rated voltage.
● Rated Speed: Rated Speed shall be measured after 3 minutes of continuos rotation at rated voltage
● Start Voltage: The voltage which is able to start the fan to operate by suddenly switching “ON”
● Dropping test standard: Drop a minimum packing box in a height of 30 cm for perpendicular free falling motion to the surface of wooden plate of 10 cm. After test, connect the fan to the power, the fan still in normal operation.
● Please do not touch and push fan blade with fingers or others. Fan blade and ball bearings may be damaged. And it caused noise defect.
● Avoid the damage, check the correct voltage and proper polarity before connecting with power.
Specifications:
A: General Specification:
|
Part No. |
MX17251ABH2 |
||
|
Dimension |
172×150×51mm |
||
|
Rated Voltage |
24VDC |
||
|
Start-up Voltage |
12VDC |
||
|
Operating Voltage |
14.0~27.6VDC |
a. Rated Voltage |
|
|
Rated Speed |
2900rpm |
±10% |
b. 25℃ |
|
Rated Current |
0.60A |
±10% |
c. 65% RH |
|
Rated Power |
12.48W |
d. Measured after 5 Mins |
|
|
Max Airflow |
220.85 |
CFM |
a. PQ Measurement Apparatus : (LW9266-SR) b. Standard : AMCA c. Rated Voltage d. Rated Current
|
|
6.25
|
m3/min |
||
|
Max Static Pressure |
0.52 Inch-H2O |
||
|
Life Expectancy |
50000 hours up(at 25℃/ relative humidity 45-85％)
|
a.L10 at Conf. Level 90% b. /Rated Voltage |
|
|
Noise Level |
51dB |
a. Rated Voltage b. Non-Echo Chamber c. Standard: CNS 8753/ISO3744 d. Test Condition: ISO 7779 e. Distance: 1.0M |
|
|
No. of Pole |
4Poles |
||
|
Rotating Direction |
Clockwise(From Label side) |
||
B: Electrical Specification:
|
ITEM |
|
Specification. Condition |
|||
|
Locked Rotor Protection |
□ |
Safety Condition |
|||
|
■
|
Auto power off after locked at rated voltage for 1sec After auto power off ,circuit attempt restart in 2 to 6sec |
||||
|
Polarity Protection |
■ |
Open circuit when Vcc&GND are exchanged |
|||
|
□ |
Circuit won’t be burned within 5 seconds when Vcc &GND are exchanged |
||||
|
Insulation Resistance |
10MΩ Between unshielded wire and frame at 500VDC/min |
||||
|
Dielectric Strength |
5mA Max/ Measured b/w lead wire(+)and frame at 500VAC/min |
||||
|
Special Function |
□ |
Soft Start 5s (0 to Max speed) |
□ |
Current Limiter |
|
C. (Main Materials, Parts Specification)
|
Bearing |
■(Dual Ball Bearing) |
□ |
(Sleeve Bearing) |
|||||||
|
Frame |
|
□ PBT of UL94V-0. |
■ |
Die-cast Aluminum Alloy |
||||||
|
Impeller |
■ |
PBT of UL94V-0. |
□ |
Steel |
||||||
|
Bobbin |
PBT of UL94V-0. |
|||||||||
|
Lead Wire |
■ |
Red(+) |
■ |
Black(-) |
□ |
Blue(PWM) |
UL 1571 28# |
|||
|
□ |
Yellow(FG) |
□ |
White(RD) |
2 wires 300±10mm |
||||||
|
Connector |
No |
|||||||||
|
Tube |
No |
|||||||||
D.ELECTRICAL
|
01 |
Insulation Resistance |
More than 10M ohm between internal stator and lead wire(red) measured at DC 500V. |
|
02 |
Dielectric Strength |
Applied AC 500V for one minute between housing and lead wire(red). |
|
03 |
Life Expectancy |
The continuous duty life at given temperature after which, 90% of testing units shall still be running. |
E. ENVIRONMENTAL
|
01 |
Operating Temperature |
-10℃ ~ +70℃ at humidity 45-85％ RH. |
|
02 |
Storage Temperature |
All function shall be normal storage at -40℃ ~+70℃ with a 24 hours recovery period at room temperature. |
|
03 |
Humidity |
After 96 hours,95% RH,40+/-2℃ PER MIL-STD-202F, method 103B humidity test, the measured data on insulation resistance and dielectric strength shall meet the specification. |
F. CHARACTERISTICS
|
01 |
Rated Current |
Rated current shall be measured after 3 minutes of continuous rotation at rated voltage. |
|
02 |
Rated Speed |
Rated speed shall be measured after 3 minutes of continuous rotation at rated voltage. |
|
03 |
Start Voltage |
The voltage which is able to start the fan to operate by suddenly switching ‘ON’. |
|
04 |
Input Power |
Input power shall be measured after 3 minutes of continuous rotation at rated voltage. |
|
05 |
Locked Rotor Current |
Locked current shall be measured within one minute of rotor locked, after 3 minutes of continuous rotation at rated voltage in clean air. |
|
06 |
Air Flow & Static Pressure |
The air flow data and static pressure should be determined in accordance with AMCA standard or DIN24163 specification in a double chamber testing with intake-side measurement. |
|
07 |
Noise Level |
The measurement of noise level is carried out with reference to ISO7779 in an echoic chamber with the microphone positioned 1 meter form the air intake. Testing fan shall be hung in clean air. |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
20,000,000-30,000,000
Employee Number:
500~600
Ecer Certification：
Active Member
Shenzhen Topfan Technology Development Co., Ltd is a high-tech enterprise of professional manufacture and researcher on dc brushless fans and ac fans. It is a professional cooling fan manufacturer in the field with the most professional and largest scale intergrating research and dev... Shenzhen Topfan Technology Development Co., Ltd is a high-tech enterprise of professional manufacture and researcher on dc brushless fans and ac fans. It is a professional cooling fan manufacturer in the field with the most professional and largest scale intergrating research and dev...
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