EC Ø355 Backward-Curved Centrifugal Fan
EC Ø355 is a backward-curved EC centrifugal fan with an aluminum-alloy sheet impeller and brushless dc external-rotor motor. The catalog lists 3,500 m3/h airflow and 805 Pa air pressure at the stated rating (230 VAC, 390 W). 0-10 VDC / PWM control supports adjustable airflow in OEM ventilation equipment. Select the duty point using the model-specific performance curve in the product image gallery.
Key Features
- Backward-curved centrifugal impeller; material: Aluminum alloy sheet
- Brushless DC external-rotor motor with 0-10 VDC / PWM speed control
- IP44 protection and Class B insulation
- Model-specific performance curve and installation drawing in the product image gallery
Technical Specifications
| Parameter | EC Ø355 |
|---|---|
| Model | EC Ø355 (manufacturer part no.: HF2E35596C1) |
| Fan diameter | 355 mm |
| Rated voltage | 230 VAC |
| Frequency | 50/60 Hz |
| Rated current | 1.66 A |
| Rated power | 390 W |
| Rated speed | 2,050 rpm |
| Airflow | 3,500 m3/h |
| Air pressure | 805 Pa |
| Noise level | 75 dBA |
| Permissible ambient temperature | -25 to +60 C |
| Net weight | 5.3 kg |
| Impeller material | Aluminum alloy sheet |
| Motor | Brushless DC external-rotor motor |
| Protection | IP44 |
| Insulation class | B |
| Speed control | 0-10 VDC / PWM |
Applications and Integration
Designed for OEM air-handling units, filtration systems and industrial ventilation assemblies where the published airflow-pressure curve meets the system requirement. Confirm mounting dimensions, electrical supply and cable identification against the approved drawing before installation.
Installation and Wiring
Refer to the model-specific catalog drawing for mounting dimensions and the airflow-pressure curve. AC supply: brown = L, blue = N, yellow/green = PE. Control leads: red = +10 V output, blue = GND, yellow = 0-10 VDC/PWM input, white = FG signal output. Confirm wiring and electrical safety against the approved engineering drawing before installation.
