The Medical Equipment Cooling Fans 120mm x 120mm x 38mm / Nine Leaf Blade Booster Fan
Brushless axial dc fan 38mm, 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, Cheap Fan, Portable Fan, CPU Fan, Computer case fan, laptop fan, PWM Fan, FG cooling fan, LED Digital signage
● 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
● 5V DC 12V DC 24V DC or 48V DC
● Ball bearing or Sleeve bearing or Hydraulic 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.
Specifications:
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 100±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 65%+/-20% 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. |
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Medical 120mm x 120mm x 38mm / Nine Leaf Blade Booster Fan 3000rpm Images
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