EC fan model list
EC Backward-Curved Centrifugal Fan · 3Ø 380V · Curve B
EC520B1
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
- 1,700rpm
- Max power
- 2,400W
- Max airflow
- 9,815m³/h
- Noise
- 83.9dB(A)
Performance curve
| Point | Static pressure Pa | Airflow m³/h | Speed rpm | Power W |
|---|---|---|---|---|
| B5 | 300 | 8,290 | 1,700 | 2,245 |
| B6 | 400 | 7,745 | 1,700 | 2,310 |
| B7 | 500 | 7,140 | 1,700 | 2,400 |
| B8 | 595 | 6,400 | 1,700 | 2,390 |
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 withEC520A1
Dimensions
In mm, with rotating direction and mounting holes.