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Blauberg BE-A250C-EC-02 is a 250 mm DC axial fan designed for 48 VDC operation. It uses a seven-blade PA6+GF impeller and supports 0-10 VDC or PWM speed control with FG speed feedback.
Basic Info
| Model No. | BE-A250C-EC-02 | Flow Direction | Axial |
| Product Type | DC Axial Fan | Nominal Voltage | 48 VDC |
| Rated Voltage Range | 38-58 VDC | Rated Speed | 3000 ±5% RPM |
| Maximum Input Power | 115 W | Maximum Input Current | 2.4 A |
| Sound Pressure Level | 70 dB(A) | Operating Temperature | -25 to +60 °C |
| Protection Rating | IP55 | Insulation Class | Class B |
Technical Description
| Dimension: | 320 × 320 × 93.6 mm | Mode of operation: | S1 |
| Materials Impeller: | PA6+GF | Number of Blades: | 7 |
| Impeller Diameter: | Ø250 mm | Motor Type: | EC072DC48V115W |
| Direction of rotation: | Counterclockwise, viewed from rotor side | Airflow Direction: | Sucking |
| Speed Control: | 0-10 VDC / PWM | PWM Input: | 1-10 kHz; 10 VDC ±5% recommended |
| Voltage Control: | Start >1.0 VDC; stop <0.5 VDC | PWM Control: | Start >10%; stop <5% |
| Signal Output: | FG, 2 pulses per revolution | Cable: | PVC, 2×AWG18 + 2×AWG24, 500 ±20 mm |
| Protection Functions: | Locked-rotor, thermal, over-voltage and under-voltage protection | EMC: | EN 55014 |
| Storage Conditions: | -40 to +80 °C; 5%-95% RH | Operating Humidity: | 5%-90% RH |
Product Application
| 1 | Charging Column | 9 | Equipments Cooling Project |
| 2 | Kitchen smoke exhaust system | 10 | Ventilation Unit Project |
| 3 | FFU Project | 11 | AHU(Air Handing Unit)Project |
| 4 | Computer room cooling | 12 | Air Purifier Project |
| 5 | Air-conditioned fan for rail transit carriers | 13 | Heater Exchanger Project |
| 6 | Electrical appliances | 14 | Telecom Container Project |
| 7 | FanGrid Project | 15 | Data Center Cooling Project |
| 8 | Ventilation Equipments Project | 16 |
Air Performance
Curve range: airflow Q 0-2400 m³/h; static pressure P 0-300 Pa.
Air-performance testing follows AMCA 210 and GB/T 1236.
Overal Dimmensions
Overall fan size: 320 × 320 × 93.6 mm. The outline drawing indicates a Ø250 mm impeller, Ø72 mm motor body, 500 ±20 mm cable and M6 through-hole mounting.
Electrical Connection
U1 red: positive power supply (+48 VDC); U2 blue: GND; U3 yellow: 0-10 V/PWM control input (SELV); U4 white: tach/FG output, 2 pulses per revolution (SELV).
For the FG output, use Vfg 3-30 VDC and a pull-up resistor R ≥ 1000 × Vfg Ω.
Download
BE-A250C-EC-02 Product Specification
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