FOCUS ON EC FAN ONLY
The 630mm ec backward curved centrifugal fan from PBM is made especially for industrial ventilation and large-scale HVAC systems. It can easily handle applications with strict requirements for airflow and static pressure, such as HVAC, industrial dust removal, and cleanrooms, thanks to its maximum airflow of 18,500 m³/h, maximum static pressure of 890 Pa, and power of 2700 W. This backward centrifugal fan has an IP44 protection grade, operates in temperatures between -25°C and 60°C, utilizes a 380VAC EC motor, supports 0-10V/PWM intelligent speed control and speed signal output, and has a lifespan of up to 50,000 hours at 40°C. The PB3N630B4EM is a perfect power source for air handling units (AHUs), precision air conditioning systems, large-scale fresh air systems, factory exhaust and dust removal, and cleanroom engineering because of its extra-large diameter aluminum alloy impeller and NMB ball bearing system.
General Characters
|
1-1 |
Rated Voltage |
380 VAC |
|
1-2 |
Frequency |
50/60 Hz |
|
1-3 |
Operating Voltage |
304~456 VAC |
|
1-4 |
Rated Speed | 1250 RPM |
|
1-5 |
Input Current |
4.4 A |
|
1-6 |
Input Power |
2700 W |
|
1-7 |
Air Flow |
10877.25 CFM / 18500 M³/H |
|
1-8 |
Static Pressure |
3.56 inH₂O / 890 Pa |
|
1-9 |
Acoustical Noise |
85 dB(A) |
|
1-10 |
Life Expectancy |
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 |
IP44 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø630 mm X 376 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 (AWG22 #) |
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 (380VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(3×AWG18#)，DC(4×AWG22#)
2.AC: Brown=L1(R)，Blue=L2(S)，Black=L3(T)，Green & Yellow=Protecting Earthing;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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