PBM Motor and Fan (Suzhou) Co., Ltd. is one of the most reliable manufacturers and suppliers of 280mm ec-dc backward curved centrifugal fan pb3n280b24m 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 280mm ec-dc backward curved centrifugal fan pb3n280b24m, welcome to get pricelist from our factory.
Customized wiring solutions and protection enhancements (up to IP55) are among the OEM customization services we provide on demand. In addition to making fans, PBM offers airflow solutions for zoned heating and cooling systems.
General Characters
|
1-1 |
Rated Voltage |
24 VDC |
|
1-2 |
Operating Voltage |
16~28 VDC |
|
1-3 |
Rated Speed |
2600 RPM |
|
1-4 |
Input Current |
9.6 A |
|
1-5 |
Input Power |
230.4 W |
|
1-6 |
Air Flow |
1213 CFM / 1930 M³/H |
|
1-7 |
Static Pressure |
4.12 inH₂O / 740 Pa |
|
1-8 |
Acoustical Noise |
74 dB(A) |
|
1-9 |
Life Expectancy |
50,000 Hours (L10) At 40℃ room, humidity is 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 |
Ø280 mm X 99 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
Galvanized Metal Shell |
|
2-3 |
Number of Blades |
11 |
|
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 (24VDC)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line:DC(4×AWG20#)
2.DC: Red=Voltage Intput 24VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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