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BL-A350C-EC-F05 is a 350 mm EC axial fan with a 230 VAC single-phase external-rotor motor. It provides axial airflow, RS485 communication, 0-10 V / PWM speed control and speed-signal output.
Basic Info
| Model | BL-A350C-EC-F05 | Fan Type | EC Axial Fan |
| Voltage | 230 VAC | Frequency | 50/60 Hz |
| Speed | 2250 RPM | Max. Input Power | 500 W |
| Max. Current | 2.3 A | Sound Level | 77 dB(A) |
| Protection | IP44 | Certification | CCC, CE |
Technical Description
| Dimensions | 350 x 350 x 143 mm | Duty Type | S1 |
| Impeller | Plastic | Bearing | Ball bearing |
| Rotation | Counterclockwise, viewed from rotor side | Insulation Class | F |
| Motor Type | EC external-rotor motor | Lead Length | 500 +/- 20 mm |
| Humidity | 5%-90% RH | Protection Functions | Locked-rotor, thermal, over-/undervoltage, overcurrent, soft start |
Product Application
Suitable for ventilation equipment, HVAC systems, air handling units, equipment cooling, control cabinets, telecom enclosures, air purification equipment and general forced-air ventilation.
Air Performance
Insert the performance curve from the technical specification here.
Overal Dimmensions
Overall dimensions: 350 x 350 x 143 mm. Insert the dimensional drawing here.
Electrical Connection
| Terminal | Connection | Colour | Function |
|---|---|---|---|
| PE | - | Yellow/green | Protective earth |
| U1 | L | Brown | Live conductor |
| U2 | N | Blue | Neutral conductor |
| U3/U4 | RSA/RSB | Brown/Gray | RS485 interfaces |
| U5 | Speed control | Yellow | 0-10 V / PWM input, max. 10 V |
| U6 | Signal output | White | Speed signal output |
| U7/U8 | +10V/GND | Red/Blue | +10 VDC output / control ground |
Note
Connect power and control leads according to the wiring diagram.
Do not connect the white signal lead to the red lead or an external DC power supply.
Check all connections before power-up; keep hands away from the impeller and rotor.
Do not touch rotating parts during energized or low-speed operation.
For EN 55014 EMC compliance, install a ferrite core on the power cable.
Keep children away from the product.
Replace a damaged power cable through the manufacturer.
Do not operate the motor separately without impeller or load.
Store at -40°C to +80°C, max. 95% RH, clean, ventilated, non-corrosive and at least 15 cm above the floor.
Download
BL-A350C-EC-F05_Technical_Specification_EN.pdf
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