Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg sl-f250e-ec-05 250mm ec single inlet centrifugal blower in China. Welcome to buy bulk high quality customized products made in China here and get quotation from our factory. For price consultation, contact us.
Basic Info
| Model | SL-F250E-EC-05 | Product Type | EC Backward Curved Centrifugal Blower |
| Brand | Blauberg | Place of Origin | Germany |
| Certification | CCC, CE | Compliance | RoHS |
Rated Data
| Phase | 1~ | Rated Voltage | 230 VAC |
| Voltage Range | 184-276 VAC | Frequency | 50/60 Hz |
| Rated Speed | 3650 RPM | Maximum Input Power | 520 W |
| Maximum Input Current | 2.5 A | Sound Level | 85 dBA |
| Ambient Temperature | -25 to +60 deg C | Data Condition | Maximum load |
Technical Description
| Motor Type | External rotor EC motor | Motor Size | 102 |
| Weight | Not specified | Packaging | Not specified |
| Fan Dimensions | 392 x 387 x 241.6 mm | Impeller Material | Metal |
| Number of Blades | 7 | Air Flow Direction | All around |
| Rotation | Clockwise, viewed toward rotor | Rotor Surface | Blue plastic spraying |
| Protection Class | IP55 | Insulation Class | Class F |
| Duty / Bearing | S1 / Ball bearing | Installation Position | Any |
| Storage Temperature | -40 to +80 deg C | Humidity | 5%-90% RH; storage 5%-95% RH |
| Technical Features | 10 VDC output; 0-10 VDC/PWM control; PFC; RS485 MODBUS-RTU; locked rotor, thermal, over/undervoltage, overcurrent and soft start protection | Cable Length | 500+/-20 mm |
| EMC | EN 61000-6-2, EN 61000-3-2/3 and EN 61000-6-3 | Dielectric Strength | 1800 VAC / 50 Hz, 1 s; leakage current <=10 mA |
| Rotor Housing | Stretch | Cooling Holes / Cut-outs | None |
Product Application
| 1 | Charging Column | 9 | Equipment Cooling Project |
| 2 | Kitchen Smoke Exhaust System | 10 | Ventilation Unit Project |
| 3 | FFU Project | 11 | AHU Project |
| 4 | Computer Room Cooling | 12 | Air Purifier Project |
| 5 | Rail Transit Air-Conditioning | 13 | Heat Exchanger Project |
| 6 | Electrical Appliances | 14 | Telecom Container Project |
| 7 | FanGrid Project | 15 | Data Center Cooling Project |
| 8 | Ventilation Equipment Project | 16 | Industrial Cooling System |
Air Performance
Overall Dimensions
Electrical Connection
| Terminal | Function | Description |
|---|---|---|
| PE | Protective Earth | Green/yellow protective earth |
| U1 / L | Live | Brown 230 VAC live wire |
| U2 / N | Neutral | Black neutral wire |
| U3 / NC | Status Relay NC | White normally closed contact, 250 VAC/2 A |
| U4 / COM | Status Relay Common | Gray common contact, isolated from power and control interfaces |
| U5 / RSA | RS485 A | Brown RS485 MODBUS port |
| U6 / RSB | RS485 B | Gray RS485 MODBUS port |
| U7 / 0-10V PWM | Speed Control | Yellow 0-10 V/PWM control input; recommended PWM amplitude 10 V |
| U8 / FG | Signal Feedback | White tach output, 5 pulses per revolution |
| U9 / +10V | Voltage Output | Red +10 VDC output, max. 10 mA |
| U10 / GND | Control Ground | Blue control reference ground |
Note
- Connect the power and control wires strictly according to the wiring diagram to prevent fan damage.
- Do not connect the white signal wire directly to the red signal wire or an external DC power supply.
- For full-speed operation, connect the yellow speed-control wire directly to the red +10 V wire.
- If the fan does not operate after startup, check the speed-control input voltage and wiring; do not touch the impeller or rotor while energized.
- The fan takes several seconds to start; do not touch the impeller or rotor while energized or operating at low speed.
- Before energizing, verify that the motor is installed securely.
- Do not pull the power cable forcefully; damaged cables must be replaced by the manufacturer.
- Do not drop or impact the motor.
- Do not flush the motor with water.
- Consult the manufacturer before using customized products outside the agreed operating conditions.
- The motor housing may remain hot after shutdown; take protective measures against burns when necessary.
- Ensure no foreign objects enter the housing during installation.
- Rotate the rotor by hand before first startup and confirm there is no collision, interference, or jamming.
- The motor is a fan component and must not be operated alone without the impeller or load.
- After unpacking, repackage for storage in a clean, ventilated, non-corrosive environment at -40°C to +80°C and up to 95% RH, at least 15 cm above ground.
- Install the fan out of reach of children.
- Blauberg retains final interpretation of this specification.
Life and maintenance, warranty
- Design life is 50,000 hours, limited by ball-bearing life at 40°C; actual service life depends on temperature, humidity, installation, and fan load.
- Clean and maintain the fan every 3-6 months according to the operating environment.
- The complete fan carries a two-year warranty from the order delivery date for failures caused by product quality; improper disassembly, handling damage, human damage, and force majeure are excluded.
Download
SL-F250E-EC-05 技术规格书.pdf
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