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BL-A350C-EC-05 is a 350 mm EC axial fan with an external-rotor EC motor, designed for 230 VAC, 50/60 Hz operation. The fan uses ball bearings and is intended for ventilation and equipment-cooling installations within its specified operating conditions.
Basic Info
| Type | EC Axial Fan | Model | BL-A350C-EC-05 |
| Phase | 1~ | Nominal Voltage | 230 VAC |
| Frequency | 50/60 Hz | Rated Speed | 2500 RPM |
| Max. Input Power | 700 W | Max. Input Current | 3.1 A |
| Sound Level | 68 dB(A) | Operating Temperature | -25°C to 60°C |
| Ingress Protection | IP55 | Certifications | CCC, CE |
Technical Description
| Dimension | 350 × 350 × 160 mm | Mode of Operation | S1 |
| Motor | External-rotor EC motor | Impeller Material | Plastic |
| Rotation Direction | Counterclockwise, viewed from rotor | Bearing | Ball bearings |
| Rotor Surface | Plastic spraying | Insulation Class | Class F |
| Operating Humidity | 5%–90% RH | Lead Length | 500 ±20 mm |
| Motor Protection | Locked rotor, thermal, under-voltage, over-voltage, over-current and soft-start protection | Compliance | 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 air-performance curve is supplied in the product technical specification. Actual operating performance depends on the installation configuration and test conditions.
Overal Dimmensions

Refer to the outline drawing for the 350 × 350 × 160 mm overall dimensions and mounting layout.
Electrical Connection

Follow the wiring diagram supplied with the product. Connect power and control wiring strictly according to the marked voltage range and connection definition.
Note
Connect the power line and control line in accordance with the wiring diagram.
Before installation or maintenance, disconnect the power supply.
Do not touch the impeller or rotor during power-on or operation.
Installation and maintenance must be performed by qualified personnel.
Replace a damaged power cable through the manufacturer.
The motor must not operate without an impeller or load.
Store the product in a clean, ventilated, non-corrosive environment.
Read the technical specification before use.
Download
BL-A350C-EC-05 Product Specification PDF
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