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BL-A300C-EC-02 is an EC axial fan with an external rotor motor. Verified operating data: 230 VAC, 50/60 Hz, 1700 RPM nominal speed, 115 W maximum input power and IP55 protection.
Basic Info
| Model No. | BL-A300C-EC-02 | Fan Type | EC Axial Fan |
| Motor | External Rotor EC Motor | Phase | 1~ |
| Nominal Voltage | 230 VAC | Frequency | 50/60 Hz |
| Nominal Speed | 1700 RPM | Max. Input Power | 115 W |
| Max. Input Current | 0.85 A | Sound Level | 60 dB(A) |
| Operating Temperature | -25°C to 60°C | Ingress Protection | IP55 |
Technical Description
| Dimension | 300 × 80.4 mm | Mode of Operation | S1 |
| Impeller Material | Plastic | Bearing | Ball bearing |
| Rotation Direction | Counterclockwise, viewed from rotor side | Motor Protection | Locked rotor, thermal, high-voltage and low-voltage protection |
| Insulation Class | Class B | Motor Surface | Spraying |
| Operating Humidity | 5%–90% RH | Lead Length | 500 ±20 mm |
| Radial / Axial Deviation | ≤0.5 mm | Compliance | CCC, RoHS |
Product Application
| 1 | Charging Column | 9 | Equipment Cooling Project |
| 2 | Kitchen Smoke Exhaust System | 10 | Ventilation Unit Project |
| 3 | FFU Project | 11 | AHU (Air Handling Unit) Project |
| 4 | Computer Room Cooling | 12 | Air Purifier Project |
| 5 | Air-Conditioned Fan for Rail Transit Carriers | 13 | Heat Exchanger Project |
| 6 | Electrical Appliances | 14 | Telecom Container Project |
| 7 | FanGrid Project | 15 | Data Center Cooling Project |
| 8 | Ventilation Equipment Project | 16 | Control Cabinet Cooling Project |
Air Performance
The plotted static-pressure curve covers approximately 0–2,400 m³/h and 0–150 Pa. Actual operating performance depends on the installation condition.
Overal Dimmensions
Outline dimensions include Ø300 fan diameter, 80.4 mm overall depth, Ø72 motor dimension, Ø58 hub dimension, 500 ±20 mm lead length, 4 × M4 mounting holes (5 mm depth) and an M4 grounding hole.
Electrical Connection
| Line | Connection | Colour | Function / Assignment |
| PE | Protective Earth | Green / Yellow | Protective earth |
| U1 | L | Brown | Live wire |
| U2 | N | Blue | Neutral wire |
| U4 | +10V | Red | +10 VDC output |
| U5 | Speed Control | Yellow | 0–10 V / PWM input; PWM maximum amplitude 10 V |
| U6 | FG | White | Tachometer signal output |
| U7 | GND | Blue | Control-line ground |
For the tachometer output, Vfg is supplied externally: 3–30 VDC; R ≥ 1000 × Vfg Ω.
Note
- Connect power and control lines strictly according to the wiring diagram.
- Do not connect the white signal wire directly to the red signal wire or an external DC supply.
- If the fan does not operate after power-on, check the speed-control input voltage and connections.
- Do not touch the impeller or rotor during power-on or low-speed operation.
- Only qualified personnel should install and maintain the fan.
- Replace a damaged power cable through the manufacturer.
- The motor must not operate without its impeller or load.
- For storage after unpacking, repack the product and keep it in a clean, ventilated, non-corrosive environment at -40°C to +80°C and below 95% RH.
- Read this technical specification carefully before use.
Download
BL-A300C-EC-02 Technical Specification.pdf
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