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 PB3N175B24-RZ0 175mm IP55 EC-DC Backward Curved Centrifugal Fan is designed for outdoor telecom cabinet cooling, 5G base station cabinets, microwave communication equipment, and optical transmission devices requiring waterproof and dustproof protection in high-humidity, high-dust outdoor environments.
Powered by brushless DC (BLDC) / EC motor technology, this backward curved centrifugal fan delivers 30%–50% energy savings compared to traditional AC fans of the same size, significantly reducing long-term cooling energy costs for outdoor enclosures and medical equipment.
With an IP55 protection rating ensuring reliable operation in harsh conditions, PBM provides complete industrial ventilation solutions from demand analysis and model selection to prototype testing and mass production. Customization services are available across multiple dimensions.
Choose the PB3N175B24-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 |
4300 RPM |
|
1-4 |
Input Current |
3.6 A |
|
1-5 |
Input Power |
85 W |
|
1-6 |
Air Flow |
441.38 CFM / 750 M³/H |
|
1-7 |
Static Pressure |
2.60 inH2O / 650 Pa |
|
1-8 |
Acoustical Noise |
72 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 |
Ø175 mm X 68.5 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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