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BL-A400C-EC-07 is a 400 mm EC axial fan driven by a 230 VAC single-phase external-rotor EC motor. It provides 0-10 V / PWM speed control and tachometer signal feedback.
Basic Info
| Model | BL-A400C-EC-07 | Fan Type | EC Axial Fan |
| Nominal Voltage | 230 VAC | Voltage Range | 184-276 VAC |
| Phase | Single phase (1~) | Frequency | 50/60 Hz |
| Nominal Speed | 1250 +/- 5% RPM | Operating Mode | S1 |
| Max. Input Power | 192 W | Max. Input Current | 1.1 A |
| Sound Level | 65 dB(A) | Certification | CCC, CE, RoHS |
Technical Description
| Dimensions | 400 x 400 x 100 mm | Motor Type | External-rotor EC motor |
| Impeller | PP+GF, 5 blades | Bearing | Ball bearing |
| Airflow | Axial | Rotation | Counterclockwise, viewed toward rotor |
| Protection Rating | IP55 | Insulation Class | B |
| Ambient Temperature | -25°C to +60°C | Storage Temperature | -40°C to +80°C |
| Humidity | 5%-90% RH | Cable Length | 500 +/- 20 mm |
| Protection Functions | Locked-rotor, thermal, high-/low-voltage, overcurrent protection and soft start | ||
Product Application
| 1 | Ventilation equipment | 9 | Equipment cooling projects |
| 2 | Air handling units | 10 | Cabinet ventilation |
| 3 | Industrial cooling | 11 | Control cabinets |
| 4 | HVAC systems | 12 | Heat exchanger equipment |
Air Performance
Air performance was measured according to AMCA 210 / GB 1236 installation category A. Values apply under the specified measuring conditions and may vary with the installation. For deviations from the standard configuration, verify the parameters on the installed unit.
Overal Dimmensions
Overall fan dimensions: 400 x 400 x 100 mm. Dimensional values are shown in millimetres.
Electrical Connection
| Line | Terminal | Designation | Colour | Function |
|---|---|---|---|---|
| Power Line | PE | PE | Green/Yellow | Protective earth |
| U1 | L | Brown | Live wire | |
| U2 | N | Blue | Neutral wire | |
| Control Line | U4 | +10 V | Red | 10 VDC output |
| U5 | Speed control | Yellow | 0-10 V / PWM input | |
| U6 | Signal feedback | White | Tach output, 5 pulses per revolution | |
| U7 | GND | Blue | Control reference ground |
Note
Connect the 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 power supply.
If the fan does not start, check the speed-control input voltage and wiring.
The fan takes several seconds to start after power-on; do not touch the impeller or rotor while energized.
Check that the motor is securely installed before switching on power.
Do not pull the power cord; a damaged cord must be replaced by the manufacturer.
Do not drop or strike the motor.
Do not flush the motor.
Consult Blauberg before using the product outside the agreed operating conditions.
The motor casing may remain hot after operation; take precautions against burns.
Keep the casing and equipment free of debris.
Before installation and operation, turn the rotor by hand to confirm that it moves freely.
The motor must not be operated without an impeller or load.
Store repackaged at -40°C to +80°C, no more than 95% RH, in a clean ventilated non-corrosive warehouse at least 15 cm above the floor.
Install out of reach of children.
The final interpretation of this specification belongs to Blauberg.
Life and maintenance, warranty
Design life is 50,000 hours, limited by ball-bearing life at 40°C; actual life depends on operating conditions.
Clean and maintain the fan every 3-6 months according to the environment.
The complete fan carries a two-year warranty from delivery for failures caused by product quality; improper disassembly, handling, human damage, natural disasters and force majeure are excluded.
Download
BL-A400C-EC-07 Product Specification.pdf
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