EC fan model list
EC Backward-Curved Centrifugal Fan · 3Ø 380V · Curve A
EC520A1
520 mm backward-curved centrifugal fan with EC external-rotor motor and collecting ring, speed set directly by 0-10V or PWM.
- Rated voltage
- 380V
- Frequency
- 50/60Hz
- Speed
- 2,200rpm
- Max power
- 4,260W
- Max airflow
- 12,830m³/h
- Noise
- 87.9dB(A)
Performance curve
| Point | Static pressure Pa | Airflow m³/h | Speed rpm | Power W |
|---|---|---|---|---|
| A1 | 700 | 8,905 | 2,060 | 4,220 |
| A2 | 800 | 8,335 | 2,050 | 4,220 |
| A3 | 1,000 | 6,840 | 2,050 | 4,260 |
| A4 | 1,100 | 6,260 | 2,060 | 4,265 |
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
Shares the same datasheet and drawing withEC520B1
Dimensions
In mm, with rotating direction and mounting holes.