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.
This 355mm EC backward centrifugal fan is made especially for big commercial air handling equipment and industrial plant fume extraction and dust removal. Using a 230V EC motor, this industrial backward centrifugal fan can achieve a static pressure of up to 820 Pa and an airflow of up to 3270 m³/h. It swiftly removes grinding dust or welding fumes by overcoming the considerable resistance of dust-collecting ducts and filters. With noise levels of ≤80 dB(A) and an IP44 protection grade appropriate for high-dust situations, the total machine uses about 500W. Its 50,000-hour lifespan guarantees uninterrupted production line operation; it has built-in stall prevention and an automatic restart mechanism, and it offers 0-10V/PWM speed control and speed feedback. It is an extremely effective and energy-efficient core power source for industrial ventilation, suitable for large air handling units (AHUs), spray booths, and machining workshops.
General Characters
|
1-1 |
Rated Voltage |
230 VAC |
|
1-2 |
Frequency |
50/60 Hz |
|
1-3 |
Operating Voltage |
184~270 VAC |
|
1-4 |
Rated Speed | 2050 RPM |
|
1-5 |
Input Current |
1.6 A |
|
1-6 |
Input Power |
357 W |
|
1-7 |
Air Flow |
1924.40 CFM / 3270 M³/H. |
|
1-8 |
Static Pressure |
3.28 inH₂O / 820 Pa |
|
1-9 |
Acoustical Noise |
76 dB(A) |
|
1-10 |
Life Expectancy |
50,000 Hours (L10) At 40℃ room, humidity 15%~65%RH. |
|
1-11 |
Insulation Class |
Class B |
|
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 |
Ø355 mm X 209 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
Aluminium Sheet |
|
2-3 |
Number of Blades |
6 |
|
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 (230VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(3×AWG18#)，DC(4×AWG22#)
2.AC: Brown=Live Line，Blue=Null Line，Green & Yellow=Protecting Earthing;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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