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| Categories | DC Blower Fan |
|---|---|
| Brand Name: | Delta/TOPFAN/ODM/OEM |
| Model Number: | MX7754GBH3 |
| Certification: | CE/ROHS/UL/SGS |
| Place of Origin: | China |
| MOQ: | 1000pcs |
| 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 |
| Packaging Details: | carton |
| 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, |
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
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.
- 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
- 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 .
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