Ofan Electric Co., Ltd
Where there is a fan,there is OFAN
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Air Similar Ebm-past Conditioning EC Centrifugal Fans Pa66 Hvac Industry 250mm
| Type | Nomual voltage (VAC) | Frequency (HZ) | Speed (rpm) | Power imput (w) | Curreng draw (A) | Sound pressurelevel (dB) | Perm.amb.temp |
| LD250C-230D3-03 | 230 | 50/60 | 2850 | 130 | 0.87 | 60 |
-20~+60
|
The basic functions and performances of EC fan controller
1. Sensorless permanent magnet motor drive
2. Wide input voltage range, single phase 110-270V, three phase 250v-480v, 50/60hz
3. Power factor correction(PFC): Passive and active(IEC61000-3-2)
4. Soft start, adjustable acceleration, CVT
5. Design operating temperature range: -30~60 degrees of minimum selection(The device in accordance with -40~85 degrees)
6. Protection: over voltage, over temperature, over current, phase loss detection, communication failures.
7. The basic interface: 0-10V/PWM, RS485/Modbus, 4-20Ma
8.The basic parameters of field programmable: Maximum speed, minimum speed, maximum power, maximum current,
resonance avoid
9. Constant air pressure controlling function
10. Embedded design
11. Electro magnetic compatibility (EMC)
Features
· 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.
· Can be run as an independent ventilation source or integrated into most building management systems.
· Robust, galvanised steel housing and cowl.
· Quick release toggle clamps provide easy access for cleaning and maintenance.
· Can be mounted at angles up to 30°.
FAQ
1. Are you a factory or trading company?
We are a factory which specialized in produce external rotor motor about 10 years. We accept OEM or ODM
2. 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.
3. Can we buy a sample for testing?
Sure, you are welcomed to buy a sample before mass order.
