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High efficiency AC DC EC double inlet centrifugal fan low noise radial fan blower compact industrial centrifugal fan
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Supplier: Ningbo Longwell Electric Technology Co., Ltd. -
Region: Zhejiang, China -
Contact: Ms Angela Li -
Price: $48.00 / >=100 pieces -
Min. Order: 100 pieces
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram,PAYPAL; | Place of Origin: | China; |
| Bearing: | Ball Bearing; | Packaging Detail: | High strength cartons with polyfoam , and packed on pallet .; |
| Brand Name: | Longwell; | Port: | Ningbo/Shanghai; |
| Impeller material: | Propylene with glass fiber reinforced; | power input: | DC 12/24/48V; |
| Certification: | ce,CCC,UL; | After-sales Service Provided: | Online support,Overseas service center available; |
| Application: | HVAC,FCU,FFU; | Blade Material: | aluminum alloy; |
| Applicable Industries: | Hotels,Garment Shops,Building Material Shops,Manufacturing Plant,Machinery Repair Shops,Food & Beverage Factory,farms,restaurant,HOME USE,Retail,Food Shop,Printing Shops,Construction works ,Energy & Mining,Food & Beverage Shops,Advertising Company; | Insulation: | B/F; |
| Electric Current Type: | AC/DC/EC; | Amb,Temp: | -20 to +60℃; |
| Approvals: | CE,CCC; | Motor type: | DC external rotor motor; |
| Mounting: | Duct Fan; | Warranty: | 1 YEAR; |
| Supply Ability: | 100000 Piece/Pieces per Month; | Type: | Radial Fan,12V dc blower fan; |
Product Overview
| Centrifugal Blower Sizes | 133mm - 400mm (or Customized) |
| Centrifugal Fan Sizes | 133mm - 630mm (or Customized) |
Voltage | AC Input: 210v,220v,230v,380v,400v DC Input: 12v,24v,48v EC Input: 210v,220v,230v,380v,400v (or Customzied) |
| Power | Up to 2300W (or Customized) |
| Speed | Up to 4000RPM (or Customized) |
| Air Flow | Up to 8000m³/h (or Customized) |
| Speed control | Speed Controller (AC) or PWM/0 - 10V Input (DC EC) |
General Characters
| 1 | Life Expectance | 50,000Hours(L10) At 40℃ room, humidity 15%~65%RH. |
| 2 | Direction of Rotation | Anti-clockwise seen on motor |
| 3 | Direction of Air Flow | All around |
| 4 | Insulation Class | Class B |
| 5 | Insulation Resistance | 50 Mega Ohm minimum at 1000VDC Between frame and (+) terminal |
| 6 | Motor Protection | Locked rotor protection Polarity protection Automatic restart capability |
| 7 | Speed Control | Control input 0~10VDC / PWM |
| 8 | Protection Type | IP44 |
| 9 | Voltage Output | +10VDC (Can be used as speed control input voltage or FG signal pull-up voltage,and need to be circumscribed in series with a pull –up resister, details as connection diagram.) |
| 10 | Dielectric Strength | 10mA maximum at 1500VAC 50Hz five second Between frame and (+) terminal |
| 11 | Signal Output | FG (Frequency Generator) |
Electrical Protection
| 1 | Locked-rotor Protection | Over-current limiting circuit protects motor from damage at least for 72 hours of locked rotor condition at rated voltage. |
| 2 | Maximum Current under Locked Rotor | A, Typical inrush current when the motor is trying to re-start under locked rotor conditions is 2~4 times the normal running current reoccurring and for 16~20% of restarting cycle period. B, If he CL function is used this restarting inrush current is about the same as the normal running current. |
| 3 | Reverse Polarity Protection | No damage if the positive and negative leads are reversed under maximum operation voltage conditions. |
| 4 | Over Voltage Protection | The circuit will be shut down automatically when input voltage over 284VAC. And re-started when Voltage down to 284VAC below. |
| 5 | Soft Start | In 5 seconds after power on and speed control voltage gets to 1.5V or PWM duty cycle at 10% above. |
1.Are you a manufacturer ?
Yes, we are . we own over 10 production lines for different products .
2.How is your quality ?
Aboove average and top class quality are your options in our range , The quality is pretty good,and trusted by many customers in overseas .
our quality is abov the average according customer same budget , customer have 1 year warranty , and free after sales technical support in product designed life span .
3. How is your price ?
Our price is very competitive by large scale production contribution .
4.What's your lead time ?
7days -25days , depengs on volume and different items .
5.How is your responding time ?
You will get reply within 2hours online by Wechat ,Whatsapp , Skype , trade manager .
You will get respond within 8hours offline by email .
Mobile is always availble for picking up your calls .
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