FOCUS ON EC FAN ONLY
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
The PB3N220B24-RZ0 220mm IP55 EC-DC Backward Curved Centrifugal Fan is designed for air handling units (AHU) and modular air conditioning systems including industrial and commercial fresh air systems, central air conditioning fan coils, and cleanroom supply fan units — requiring high static pressure with waterproof and dustproof protection.
Rated at 24V DC (operating range 16–28V DC) and powered by advanced brushless DC (BLDC) / EC motor technology, this backward curved centrifugal fan delivers 1010 m³/h (594.39 CFM) of airflow and 700 Pa (2.80 inH2O) of stable high static pressure at 2,600 RPM.
PBM backward curved centrifugal fans are widely used in electronics cooling, mechanical equipment, ventilation and air purification, HVAC systems, cold storage and cold chain, IT and electronics, medical industry, and data center cooling. With over 15 years of deep experience in the fan industry, PBM offers full customization services — please contact our sales team for more information.
Choose the PB3N220B24-RZ0 for a high static pressure, low noise, IP55 EC-DC backward curved centrifugal fan.
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 |
3.4 A |
|
1-5 |
Input Power |
85 W |
|
1-6 |
Air Flow |
594.39 CFM / 1010 M³/H |
|
1-7 |
Static Pressure |
2.80 inH2O / 700 Pa |
|
1-8 |
Acoustical Noise |
71 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 71 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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