EC fan model list
EC Backward-Curved Centrifugal Fan · 1Ø 230V · Curve A
EC280B1
280 mm backward-curved centrifugal fan with EC external-rotor motor and collecting ring, speed set directly by 0-10V or PWM.
- Rated voltage
- 230V
- Frequency
- 50/60Hz
- Speed
- 3,100rpm
- Max power
- 732W
- Max airflow
- 3,916m³/h
- Noise
- 76dB(A)
Performance curve
| Point | Static pressure Pa | Airflow m³/h | Speed rpm | Power W |
|---|---|---|---|---|
| A1 | 400 | 2,611 | 2,645 | 616 |
| A2 | 500 | 2,295 | 2,600 | 602 |
| A3 | 600 | 1,975 | 2,569 | 598 |
| A4 | 700 | 1,668 | 2,653 | 613 |
Specifications
- Material
- Aluminum alloy 5052 impeller
- Rotation
- Clockwise, seen on rotor
- Control input
- 0-10VDC/PWM
- Protection
- IP54
- Insulation class
- F
- Bearing
- Maintenance-free ball bearings
- Approval
- CE
- Ambient temperature
- -25 ~ +60 °C
Dimensions
In mm, with rotating direction and mounting holes.