EC Backward-Curved Centrifugal Fans
29 models from 133 to 630 mm impeller diameter. EC external-rotor motor with collecting ring, speed set directly by 0-10V or PWM.
133-630mm
Impeller diameter
29
Standard models
IP54
Protection
Impellers up to 250 mm are glass-fiber reinforced nylon; 280 mm and above are metal. The standard range covers typical applications. Certified CCC, with CE and UL on request.
- Components
- Backward-curved impeller, EC external-rotor motor, collecting ring
- Applications
- Air purification, ventilation, HVAC, refrigeration, rail transit, power and telecom
Operating conditions
- Power supply
- 1Ø 220-240V / 3Ø 380-460V, 50/60 Hz
- Control input
- VSP (VSP / PWM / RS485)
- Protection
- IP54
- Insulation class
- F
- Ambient temperature
- -25 ~ +60 °C
- Relative humidity
- ≤ 95%
- Altitude
- ≤ 1000 m
Model list
Grouped by rated voltage. Click a model for its performance curve, operating points and dimensions, or DM to download the PDF.
1Ø 230V
12 models
- EC133A1
88 W · 450 m³/h
88
450
DM - EC175A1
166 W · 880 m³/h
166
880
DM - EC190A1
150 W · 810 m³/h
150
810
DM - EC225A1
215 W · 1,455 m³/h
215
1,455
DM - EC250A1
295 W · 1,505 m³/h
295
1,505
DM - EC250B1
618 W · 2,166 m³/h
618
2,166
DM - EC280A1
195 W · 1,660 m³/h
195
1,660
DM - EC280B1
732 W · 3,916 m³/h
732
3,916
DM - EC320A1
355 W · 2,730 m³/h
355
2,730
DM - EC320B1
655 W · 3,250 m³/h
655
3,250
DM - EC355A1
645 W · 3,915 m³/h
645
3,915
DM - EC400D1
650 W · 5,215 m³/h
650
5,215
DM
3Ø 380V
17 models
- EC280C1
1,450 W · 4,075 m³/h
1,450
4,075
DM - EC310A1
1,510 W · 5,935 m³/h
1,510
5,935
DM - EC320C1
1,494 W · 5,168 m³/h
1,494
5,168
DM - EC400A1
1,480 W · 6,700 m³/h
1,480
6,700
DM - EC400B1
2,700 W · 7,485 m³/h
2,700
7,485
DM - EC400C1
3,585 W · 8,305 m³/h
3,585
8,305
DM - EC450A1
1,340 W · 7,455 m³/h
1,340
7,455
DM - EC450B1
3,977 W · 13,964 m³/h
3,977
13,964
DM - EC450C1
5,350 W · 15,202 m³/h
5,350
15,202
DM - EC520A1
4,260 W · 12,830 m³/h
4,260
12,830
DM - EC520B1
2,400 W · 9,815 m³/h
2,400
9,815
DM - EC520C1
5,623 W · 13,304 m³/h
5,623
13,304
DM - EC560A1
3,660 W · 15,275 m³/h
3,660
15,275
DM - EC560B1
2,990 W · 14,170 m³/h
2,990
14,170
DM - EC560C1
5,570 W · 20,710 m³/h
5,570
20,710
DM - EC630A1
3,850 W · 20,100 m³/h
3,850
20,100
DM - EC630B1
2,970 W · 18,330 m³/h
2,970
18,330
DM
Data from the 2024 EC fan product list. Full curves, dimensions and noise levels are in each datasheet.
Before selecting a fan
The more complete the information, the better we can match a cost-effective model to your requirements.
- 01
Operating point: required airflow and static pressure
- 02
Fan type and installation space
- 03
Operating and electrical environment (voltage, temperature, altitude)
- 04
Control mode, mounting and certification requirements
Tell us the space size and installation conditions. Our engineers will help with selection and a quote.
Request selection