PBM Motor and Fan (Suzhou) Co., Ltd. is one of the most reliable manufacturers and suppliers of 220mm ec-dc waterproof ip55 backward curved centrifugal fan pb3n220b24-tz0 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 220mm ec-dc waterproof ip55 backward curved centrifugal fan pb3n220b24-tz0, welcome to get pricelist from our factory.
Rated at 24V DC with 3,500 RPM speed, this backward curved centrifugal fan delivers an industry-leading 1,165 m³/h of ultra-high airflow and a top-tier 950 Pa of static pressure, ensuring stable and reliable operation in the most critical environments.
From demand analysis and model selection to prototype testing and mass production delivery, the PBM technical team provides complete engineering support. Customization services are available across multiple dimensions. Whether you are developing an air handling unit (AHU), fan filter unit (FFU), cleanroom system, or medical purification equipment, the PBM technical sales team offers full engineering support - from sample validation to mass production delivery.
General Characters
|
1-1 |
Rated Voltage |
24 VDC |
|
1-2 |
Operating Voltage |
16~28 VDC |
|
1-3 |
Rated Speed |
3500 RPM |
|
1-4 |
Input Current |
7.6 A |
|
1-5 |
Input Power |
182.4 W |
|
1-6 |
Air Flow |
685.6 CFM / 1165 M³/H |
|
1-7 |
Static Pressure |
3.80 inH2O / 950 Pa |
|
1-8 |
Acoustical Noise |
72 dB(A) |
|
1-9 |
Life Expectance |
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 |
IP55 |
|
1-15 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø220 mm X 90 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
PA66+GF |
|
2-3 |
Number of Blades |
7 |
|
2-4 |
Bearing System |
NMB ball bearing |
|
2-5 |
Lead Wire |
Red, Blue(AWG18#);Yellow, White(AWG24#) |
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: Red, Blue(AWG18#);Yellow, White(AWG24#)
2.DC: Red=Voltage Intput 24VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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