FOCUS ON EC FAN ONLY
PB3N133B48M is a 133mm DC backward-curved centrifugal fan made especially for cooling power cabinets, HVAC systems, and air purification devices. To deliver comprehensive airflow management solutions, PBM works closely with major equipment manufacturers and suppliers of HVAC system solutions. Under all operating circumstances, it offers notable energy savings of 30% to 50% as compared to conventional AC asynchronous motors thanks to its high-efficiency DC brushless motor.
PBM provides a range of customized services to satisfy the unique demands of HVAC and equipment manufacturers. One-piece injection-molded PA6+GF material is used to make the blades, and PBM offers specialist ODM collaborative deep adjustment services, such as long-term UV resistance and aerodynamic performance optimization.
General Characters
|
1-1 |
Rated Voltage |
48 VDC |
|
1-2 |
Operating Voltage |
36~57 VDC |
|
1-3 |
Rated Speed |
4100 RPM |
|
1-4 |
Input Current |
0.75 A |
|
1-5 |
Input Power |
36 W |
|
1-6 |
Air Flow |
162.43 CFM / 276 M³/H |
|
1-7 |
Static Pressure |
1.85 inH₂O / 462 Pa |
|
1-8 |
Acoustical Noise |
67 dB(A) |
|
1-9 |
Life Expectancy |
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 |
IP44 |
|
1-15 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø133 mm X 61 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
PA6+GF |
|
2-3 |
Number of Blades |
7 |
|
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 (48VDC)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line:DC(4×AWG20#)
2.DC: Red=Voltage Intput 48VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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