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 PB3N133B48-FZ5 133mm IP55 EC-DC Backward Curved Centrifugal Fan is specifically engineered for renewable energy power electronics cooling, including photovoltaic (PV) inverters, energy storage power conversion systems (PCS), and static var generators (SVG) — providing forced-air cooling for IGBT modules and power devices in demanding industrial ventilation scenarios requiring high static pressure and fully sealed IP55 protection.
Rated at 48V DC and powered by advanced brushless DC (BLDC) / EC motor technology, this backward curved centrifugal fan delivers 270 m³/h (158.90 CFM) of stable airflow and 450 Pa (1.80 inH2O) of high static pressure at 4,500 RPM.
PBM provides more than just standard fans — we offer complete industrial ventilation solutions throughout the entire R&D process. As an original factory with a professional engineering team and sales team, we support full customization services. Contact us today for your power electronics cooling needs.
Choose the PB3N133B48-FZ5 for a high static pressure, low noise, IP55 EC-DC backward curved centrifugal fan for your most demanding renewable energy and power electronics applications.
General Characters
|
1-1 |
Rated Voltage |
48 VDC |
|
1-2 |
Operating Voltage |
36~57 VDC |
|
1-3 |
Rated Speed |
4500 RPM |
|
1-4 |
Input Current |
0.7 A |
|
1-5 |
Input Power |
33 W |
|
1-6 |
Air Flow |
158.90 CFM / 270 M³/H |
|
1-7 |
Static Pressure |
1.80 inH2O / 450 Pa |
|
1-8 |
Acoustical Noise |
68 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 |
Ø133 mm X 63 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 (48VDC)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: Red, Blue(AWG18#)；Yellow, White(AWG24#)
2.DC: Red=Voltage Intput 48VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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