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High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

Good quality Computer Case Cooling Fans for sales
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High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

China High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification supplier
High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification supplier High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification supplier High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification supplier High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification supplier

Large Image :  High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

Product Details:

Place of Origin: China
Brand Name: Delta/TOPFAN/ODM/OEM
Certification: CE/ROHS/UL/SGS
Model Number: MX7754GBH3

Payment & Shipping Terms:

Minimum Order Quantity: 1000pcs
Price: negotiation
Packaging Details: carton
Delivery Time: 5-12 working days after received your payment
Payment Terms: T/T or western Union
Supply Ability: 600,000pcs per month
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Detailed Product Description
Product Name: 77x54mm DC Blower For Medical Voltage: 12V / 24V/34V
Color: Transparent White Bearing Type: Ball Bearing/Sleeve Bearing
Speed: 45000rpm Power: 85W

Delta DC Blower For Medical Cooling 77x54mm / High Air Flow DC Blower Fan Motor
 
 
Delta DC Blower For Medical Cooling 77x54mm, high speed 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.

 

General Specification

1. Drive IC

 

No. Item Specification
1-1

Motor construction

 

Permanent magnet, Core type

 

1-2

Number of phases

 

3 phrase
1-3

Major number of magnet poles

 

4pole
1-4

Appearance

 

There shall be no excessive scratches, dents,

or deformation, when inspected by naked eyes.

.

 

2.Rating

 

No. Item Specification
2-1

Rated voltage

 

Vm=34VDC
2-2 Operating temperature 0 ~+40 ℃
2-3 Operating humidity 5~90%RH Not be dewy.
2-4 Storage temperature -10 ~+70 ℃
2-5 Storage humidity 5~95%RH Not be dewy.

 

3. Motor Characteristics

3.Measurement instructions

 

3-1

All readings are measured aft

r stably warming u

through 10 minutes .

3-2 Standard air property is air at (TD) 25℃ temperature , (RH) 65% relative humidity , and (PB) 760 mmHg barometric pressure .
3-3

The values writ

en with ,( ), are

limited spec .

 

4.Motor Characteristics

 

No. Item Measurement condition Specification
4-1

Rated load speed

 

At rated voltage, rated load and no control.

 

At Vm=34 VDC

45000±10% RPM

4-2

Input current

 

At rated voltage, no load.

 

Rated: 2.50 A
4-3

Input current

 

At rated voltage,have load.

 

Rated: 85 W

 

4-4

Max. air flow

 

At zero static pressure.

 

668.12 (Min.636.98) L/min.

23.60 (Min.21.79) CFM

4-5

Max. air pressure

 

At zero air flow.

 

65.41(Min.55.92)cmH2O

25.75 (Min.22.01) inchH2O

4-6 Insulation type   Class E.
4-7 Noise

Acoustical noise (AVG.):

Blower with hose hang up and the hose with 4mm nozzle lead away to the side .

Microfone in 0.5m distance above the center on the inlet side at nominal speed about 1660RPM.(About 1KPa)

65.0(Max. 68) dBA

 

5. Reliability test

No. Item Measurement condition
5-1

High temperature

Preservation test

The motor preserved at 80℃,65%RH for 72 hours and then leave at room temperature for 24 hours, and then measure.
5-2

Low temperature

Preservation test

The motor preserved at -30℃ for 72 hours and then leave at room temperature for 24 hours, and then measure.
5-3 Humidity preservation test

The motor preserved at 65℃, 90%RH for 96 hours and then left at room temperature for 24 hours, and then measured.

Not be dewy

5-4

 

 

 

 

Temperature cycle test

 

 

 

 

The motor shall be subject to 20 cycles, 1 cycle consist of +80℃, 65%RH~-30℃(1 hour each),and then leave at room temperature for 24 hours, and then measure.

Not be dewy,High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

 

   

 

 

 

 

 

5-5

 

 

 

 

Noise test

 

Noise is measured at rated voltage in free air in anechoic chamber

with B&K sound level meter with microphone at a distance of 0.5 meter from the fan intake.

High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A: Specifications:

 

High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

 


 

Motor layout:

High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

P&Q curve

High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification

 

Our Services

1. We are professtional and experienced manufature of Axial Fan in China.

2. Customization, the size and functions of fan manufacture according to your demands.

3. We’ll reply you in 24 hours after you send inquiry to us.

4. We holding the principle of good faith to manage our company for 25 years.

FAQ

- Fast lead time: sample in stock, just need 1-2days, for 1000pcs, just 2 weeks;

- OEM service based on MOQ1000pcs;

- Best price from factory;

- Best quality cooling fans, all fans will be done 100% testing before the fans sent out;

like the below

1. High temperature Preservation test

2. Low temperature Preservation test
3. Humidity preservation test
4. Temperature cycle test
5. Noise test

- Best service by our sales and engineers, we will reply you within 12 hours, provide one year warranty;


- All can be customized by your requirment.

If you want another rpm or voltage or other reqirement , pls contact me for more details , thanks!

 

For Special Cooling Fan , Such as : moistureproof , waterprrof , turbocharger , soft start , Reversible , temperature control , PWM speed control , the RD alarm and the FG signal etc , pls contact me free .

 

Contact Details
Shenzhen Topfan Technology Development Co., Ltd.

Contact Person: Helen Dong

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