Ofan Electric Co., Ltd
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Resemble EBM 175mm EC Backward Curved Centrifugal Fan With Support Bracket And Panel
EC Fan Introduction
EC(Electronically Commutation) motors, as built-in DC inverter driver three phase AC external rotor permanent magnet synchronous motors, its efficiency and low noise is considered to be ultimate fan energy technologies.
Core Technology Of EC Fan Controller
1. Sensorless vector control software
2. High-performance power electronic circuits
3. Security and reliability design(Standards, Certification)
4. Embedded design
| 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 |
| LD175N-48D3-00 | 48 | 36~56 | 2.3 | 110 | 4200 | 692 | 408 | 48.4 | 81 |
| LD175N-48D3-01 | 48 | 36~56 | 1.2 | 57.6 | 3300 | 560 | 330 | 38.1 | 64 |
| LD175N-48D3-02 | 48 | 36~56 | 0.55 | 26.4 | 2500 | 365 | 215 | 18.1 | 60 |
| LD175N-28D3-00 | 28 | 18~32 | 4 | 112 | 4400 | 726 | 428 | 50.7 | 81 |
| LD175N-24D3-00 | 24 | 16~28 | 3 | 75 | 3800 | 626 | 369 | 43.7 | 70. |
| LD175N-48D3-01 | 24 | 16~28 | 2.5 | 60 | 3300 | 560 | 330 | 38.1 | 64 |
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.
External rotor axial fans series product:
1.Compact configuration, convenient installation and credible running
2. Pressure high, airflow stable
3. Little noise, energy saving and highly active
4. Several speed rang, adapt to both frequency conversion and voltage transformation, speed changing active
5. AC single phase 230+/-10% vor three phase 400+/-10%V are alternative for voltage and 50hz or 60hz for frequency
6. Extensive application: can be widely used in refrigeration and ventilation fields such as duct fans and roofing fans.
7. The safety grade of this series if IP54 and the insulation classes are available among B,F and H.
8. The products have got the CCC certificate in China and CE approval in Europe.
Characteristic
1.Applicable to high airflow;
2.Applicable to high pressure;
3.Applicable to larger system resistance and limited internal space.
T/T, L/C, other kind of payment please contact with us
piece sample fan. We believe our fan quality must satisfy customer.
