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 PB3N310B2E-YZ5 310mm IP55 EC-AC Backward Curved Centrifugal Fan (Φ310mm) is specifically engineered for fresh air systems, air handling units (AHU) , industrial ventilation, and data center cooling — delivering fully sealed, high-efficiency, energy-saving performance in demanding high static pressure applications.
Rated at 230V AC with 2,850 RPM speed, this backward curved centrifugal fan delivers an industry-leading 4,380 m³/h of airflow and an ultra-high static pressure of 1,590 Pa, ensuring stable and reliable operation in the most critical environments.
PBM provides more than just standard fan components — we offer complete industrial ventilation solutions throughout the entire R&D process, from demand analysis and model selection to prototype testing and mass production delivery, with our technical team providing full engineering support at every stage. Customization services are available across multiple dimensions.
General Characters
|
1-1 |
Rated Voltage |
230 VAC |
|
1-2 |
Frequency |
50/60 Hz |
|
1-3 |
Operating Voltage |
184~270 VAC |
|
1-4 |
Rated Speed | 2850 RPM |
|
1-5 |
Input Current |
3.1 A |
|
1-6 |
Input Power |
700 W |
|
1-7 |
Air Flow |
2577.63 CFM / 4380 M³/H |
|
1-8 |
Static Pressure |
6.36 inH2O / 1590 Pa |
|
1-9 |
Acoustical Noise |
85 dB(A) |
|
1-10 |
Life Expectance |
50,000 Hours(L10) At 40℃ room, humidity 15%~65%RH. |
|
1-11 |
Insulation Class |
Class F |
|
1-13 |
Motor Protection |
Locked rotor protection Polarity protection Automatic restart capability |
|
1-14 |
Speed Control |
Control input 0~10VDC / PWM |
|
1-15 |
Protection Type |
IP55 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø319 mm X 221 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
Aluminium sheet |
|
2-3 |
Number of Blades |
8 |
|
2-4 |
Bearing System |
NMB ball bearing |
|
2-5 |
Lead Wire |
AC (AWG18#)，DC (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 (230VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(5×AWG18#)，DC(6×AWG24#)
2.AC: Brown=Live Line，Black=Null Line，Green & Yellow=Protecting Earthing,White=NC，Gray=COM;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, Blue=GND, White=Tach output, Brown=RSA, Gray=RSB ;
If you have any interest in our products,please feel free to contact us & we are ready to serve you
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