Ofan Electric Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 10000pcs20days |
| Delivery Time | 5-8 word days |
| Packaging Details | 65*65*70 |
| Rated Voltage | 48V |
| Rated Speed | 2800RPM |
| Air Flow | 972m³/h |
| Power | 77W |
| Current | 1.6A |
| Operation Voltage | 36-56V |
| Brand Name | OFAN |
| Model Number | LD220N-48D3-00 |
| Certification | CE,UL,3C |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10000pcs20days |
| Delivery Time | 5-8 word days | Packaging Details | 65*65*70 |
| Rated Voltage | 48V | Rated Speed | 2800RPM |
| Air Flow | 972m³/h | Power | 77W |
| Current | 1.6A | Operation Voltage | 36-56V |
| Brand Name | OFAN | Model Number | LD220N-48D3-00 |
| Certification | CE,UL,3C | Place of Origin | China |
| High Light | brushless dc fan ，dc centrifugal blower | ||
Intead Of EBM 190mm DC Centrifugal Fan With Eshaust Ventilation PA66
| Listed Model | Rated Voltage | Operation Voltage | Rated Current | Power | Rated Speed | Air Flow | Air Flow | Air pressure | Noise Level |
| Part NO. | VDC | VDC | A | W | RPM | m³/h | CFM | mmH2O | dBA |
| LD220N-48D3-00 | 48 | 36~56 | 1.5 | 72 | 3000 | 972 | 573 | 41.5 | 70 |
| LD220N-24D3-00 | 24 | 16~28 | 3.3 | 79 | 3000 | 972 | 573 | 36.8 | 65 |
There is no support for forward curved multi-blades centrifugal fan from 133mm-250mm. Other model have the support. And there is no current collector for backward curved impeller centrifugal fan. You need to inform us if you want the support or current collector for fan model, clarify the fan model, specification, air volume and static pressure before placing an order. Forward curved multi-blades centrifugal fan and back curved impeller centrifugal fan, please take note on the air direction
Although OFAN, the market leader in EC technology, is a China company, EC has nothing to do with the European Community! In this case, EC stands for Electronically Commutated which basically means it is a fan with a brushless DC motor
Brushless DC motors have been around for many years but there has always been the need for a separate DC power supply. In applications using only an AC supply this introduced added cost and complexity. Then, in 2003, ebm-papst brought out an EC fan with integrated electronics which could be connected directly to an AC mains supply. In addition to performing the commutation, the electronics convert AC to DC and control the fan speed by regulating the power to the motor.
EC motor features reverse polarity protection, locked rotor protection and soft start.
No additional protection such as contactors are required.
Can be pre-configured to suit specific sensors and applications, and are supplied standard with 0-10V control input.
A full range of sensors are available including differential pressure, humidity, temperature, air velocity and pollutant
1.How do I know which model I should choose
Please tell us the fans pressure and ofan and size of fans’ diameter you need. We will study and suggest you the right model.
2. Can we buy a sample for testing?
Sure, you are welcomed to buy a sample before mass order.
3. if the fans doesn't work well, what shall I do ?
If happens within one year, we will take in charge of the maintenance, or send you a new machine freely.
Air performance curves
Our performance curves are tested in test camber according to DIN 24163 and refer to an air density of 1.2kg/M3. Testing conducted with inlet cone in airflow direction A, without protection guard
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
5000000-100000
Employee Number:
100~200
Ecer Certification：
Site Member
Guangzhou OFAN Electric Co., Ltd is One of High-tech enterprises in Guangdong Province of China dominant high-tech manufacturing enterprise。 High-tech enterprises licences issue by government Have 17 patents... Guangzhou OFAN Electric Co., Ltd is One of High-tech enterprises in Guangdong Province of China dominant high-tech manufacturing enterprise。 High-tech enterprises licences issue by government Have 17 patents...
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