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

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Buy cheap High Air Flow Dc Cooling Fans 45000rpm Speed 85W CE / ROHS Certification from wholesalers

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

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Brand Name:Delta/TOPFAN/ODM/OEM

Model Number:MX7754GBH3

Certification:CE/ROHS/UL/SGS

Price:negotiation

Payment Terms:T/T or western Union

Supply Ability:600,000pcs per month

Delivery Time:5-12 working days after received your payment

Company Data

Shenzhen Topfan Technology Development Co., Ltd.

Active Member

Contact Person Du

Business Type: 86-755-26070926-26070992

Business Type: Manufacturer Exporter

Officials: 23A2, Suhao Building, Nanxin Road, Nanshan District, Shenzhen, China

Quality: Quality Certifitation Available

Product Details Company Profile

Product Details

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,

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.

A: Specifications:

Motor layout:

P&Q curve

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 .

Company Profile

Shenzhen Topfan Technology Development Co., Ltd.

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 development, manufacturing and sales. The products including brushless fans, cross flow fans, blower fans, centrifugal fans, dc brushless motor,shaded pole,AC and EC fans are being widely used in the computer information technology, network communications, as well as industrial production equipment, medical equipment, home appliances, etc.

Founded in 1996, owns more than 600 staffs, and with a strong power research and development team, we have ourselve's manufacturing base and industrial park.

Topfan-China core of Quality First, carry out the idea Doing Things Right Frist Time, Pursue zero defect management, holds advanced testing instruments, production equipments, excellent management experience and competitive price, which make the products more popular. Based on mutual benefit and development, we always make our biggest efforts to do everything better for our customers make us ISO9000, UL, CE and RoHS and TUV certificated and become the best sellers both at home and abroad including Europe, North America, Asia (South Korea and India) and so on.

Brave the wind and waves, setting sail. Topfan-China with a Corporate Vison of create a top cooling fans kingdom, hold a working style of serious, rigorous, fast, persistent, and team spirit of passion, independent, and high efficiency, make us become the first brand in domestic, and the most popular brand all over the world.

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