PBM Motor and Fan (Suzhou) Co., Ltd. is one of the most reliable manufacturers and suppliers of 146mm ec-dc dual inlet blower pd3n146b48h in China. With abundant experience, we are committed to providing high quality customized products with competitive price. If you're going to buy bulk premium 146mm ec-dc dual inlet blower pd3n146b48h, welcome to get pricelist from our factory.
Compared to conventional AC asynchronous motors, this DC fan's efficiency is increased by 30% to 50% thanks to its DC brushless motor and electronic commutation technology. By optimizing the aerodynamic route, the dual-inlet volute construction guarantees minimal vibration, smooth airflow, and noise management below 61 dB (A).
PPM specializes in the development and production of premium EC/DC fans. This product has earned CE certification and is made to adhere to international safety requirements. offers speed signal output (FG) for simple system integration, a configurable speed control mode of 0~10VDC/PWM intelligent control, and a broad input voltage range of 36~57VDC. When necessary, we may offer OEM modification services, such as upgraded protection levels, accessory adaptations, and particular wiring schemes. In addition to manufacturing fans, PBM offers airflow solutions.
General Characters
|
1-1 |
Rated Voltage |
48 VDC |
|
1-2 |
Operating Voltage |
36~57 VDC |
|
1-3 |
Rated Speed |
1580 RPM |
|
1-4 |
Input Current |
3.0 A |
|
1-5 |
Input Power |
144 W |
|
1-6 |
Air Flow |
564.96 CFM / 960 M³/H |
|
1-7 |
Static Pressure |
0.99 inH₂O / 248 Pa |
|
1-8 |
Acoustical Noise |
61 dB(A) |
|
1-9 |
Life Expectancy |
50,000 Hours (L10) At 40℃ room, humidity 15%~65%RH. |
|
1-10 |
Insulation Class |
Class B |
|
1-11 |
Motor Protection |
Locked rotor protection Polarity protection Automatic restart capability |
|
1-13 |
Speed Control |
Control input 0~10VDC / PWM |
|
1-14 |
Protection Type |
IP44 |
|
1-15 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
209 mm X 219 mm X 270 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
Galvanized Metal Shell |
|
2-3 |
Number of Blades |
38 |
|
2-4 |
Bearing System |
NMB ball bearing |
|
2-5 |
Lead Wire |
DC (AWG20 #) |
Environmental Characters
|
3-1 |
Operating Temperature |
-25℃ to 60℃ |
|
3-2 |
Storage Temperature |
-40℃ to 75℃ |
|
3-3 |
Operating Humidity |
5% to 90% RH |
|
3-4 |
Storage Humidity |
5% to 95% RH |
Performance Curve
Testing Condition:
Input Voltage----Operating voltage (48VDC)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line:DC(4×AWG20#)
2.DC: Red=Voltage Intput 48VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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