EC fan model list
EC Backward-Curved Centrifugal Fan · 1Ø 230V · Curve A
EC250B1
250 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
- 3,920rpm
- Max power
- 618W
- Max airflow
- 2,166m³/h
- Noise
- 75dB(A)
Performance curve
| Point | Static pressure Pa | Airflow m³/h | Speed rpm | Power W |
|---|---|---|---|---|
| A1 | 500 | 1,736 | 3,893 | 563 |
| A2 | 600 | 1,625 | 3,902 | 585 |
| A3 | 700 | 1,532 | 3,902 | 614 |
| A4 | 800 | 1,377 | 3,849 | 618 |
Specifications
- Material
- Aluminum alloy 5052 impeller
- Rotation
- Clockwise, seen on rotor
- Control input
- 0-10VDC/PWM/RS485
- 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.