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 PB3N190B48-RZ0 190mm 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.
Powered by brushless DC (BLDC) / EC motor technology, this backward curved centrifugal fan delivers 30%–50% energy savings compared to traditional AC induction motors. The IP55 protection rating ensures reliable operation in high-humidity, high-dust outdoor environments.
PBM backward curved centrifugal fans are widely used in electronics cooling, HVAC systems, cold chain, medical industry, and data center cooling. OEM and ODM services are available.
Choose the PB3N190B48-RZ0 for a high static pressure, low noise, IP55 EC-DC backward curved centrifugal fan.
General Characters
|
1-1 |
Rated Voltage |
48 VDC |
|
1-2 |
Operating Voltage |
36~57 VDC |
|
1-3 |
Rated Speed |
3500 RPM |
|
1-4 |
Input Current |
1.8 A |
|
1-5 |
Input Power |
85 W |
|
1-6 |
Air Flow |
417.84 CFM / 710 M³/H |
|
1-7 |
Static Pressure |
3.36 inH2O / 840 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 |
Ø190 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 (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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