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BL-A300C-EC-07 is an EC axial fan with an external rotor motor. Verified operating data: 230 VAC, 50/60 Hz, 2200 RPM nominal speed, 210 W maximum input power and IP55 protection.
Basic Info
| Model No. | BL-A300C-EC-07 | Fan Type | EC Axial Fan |
| Motor | External Rotor EC Motor | Phase | 1~ |
| Nominal Voltage | 230 VAC | Frequency | 50/60 Hz |
| Nominal Speed | 2200 RPM | Max. Input Power | 210 W |
| Max. Input Current | 1.5 A | Sound Level | 67 dB(A) |
| Operating Temperature | -25°C to 60°C | Ingress Protection | IP55 |
Technical Description
| Dimension | 300 × 300 × 80 mm | Mode of Operation | S1 |
| Impeller Material | Metal | Bearing | Ball bearing |
| Rotation Direction | Counterclockwise, viewed from rotor side | Motor Protection | Locked rotor, thermal, high-voltage, low-voltage and overcurrent protection; soft start |
| Insulation Class | Class B | Motor Surface | Spraying |
| Operating Humidity | 5%–90% RH | Lead Length | 500 ±20 mm |
| Radial / Axial Deviation | ≤0.8 mm | Compliance | CCC, CE |
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 0–3,000 m³/h and 0–240 Pa. Actual operating performance depends on the installation condition.
Overal Dimmensions
Outline dimensions include Ø300 fan diameter, Ø101/Ø75/Ø92 dimensions, 80 mm overall depth, 500 ±20 mm lead length, 4 × M4 mounting holes (5 mm depth), 4 × M6 mounting holes (10 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 | RPM output signal; 5 pulses per revolution |
| U7 | GND | Blue | Control-line ground |
The fan provides a speed output signal, output signal drawing see under annex. Vfg and pull up resistor are connected by customer. Vfg = (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-07 Product Specification.pdf
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