EC fan model list
EC Backward-Curved Centrifugal Fan · 3Ø 380V · Curve B
EC450B1
450 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
- 2,250rpm
- Max power
- 3,977W
- Max airflow
- 13,964m³/h
- Noise
- 92dB(A)
Performance curve
| Point | Static pressure Pa | Airflow m³/h | Speed rpm | Power W |
|---|---|---|---|---|
| B5 | 900 | 9,974 | 2,211 | 3,953 |
| B6 | 1,000 | 9,066 | 2,165 | 3,970 |
| B7 | 1,101 | 8,282 | 2,159 | 3,974 |
| B8 | 1,201 | 7,439 | 2,166 | 3,977 |
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
Shares the same datasheet and drawing withEC450C1
Dimensions
In mm, with rotating direction and mounting holes.