Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg bl-b310c-ec-07 310mm ec backward curved centrifugal fan 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 | BL-B310C-EC-07 | Fan Type | Backward Curved Centrifugal Fan |
| Nominal Diameter | 310 mm | Motor Type | External Rotor EC Motor |
| Phase | Single Phase | Nominal Voltage | 230 VAC |
| Nominal Voltage Range | 184–276 VAC | Frequency | 50/60 Hz |
| Nominal Speed | 2050 ± 5% RPM | Maximum Input Power | 220 W |
| Maximum Input Current | 1.55 A | Sound Level | 78 dB(A) |
| Ambient Temperature | -25 to +60 °C | Data Condition | Free Air |
Technical Description
| Model | BL-B310C-EC-07 | Fan Size | 316 × 316 × 136 mm |
| Motor Size | 92 | Weight | 3.45 kg |
| Packaging | 54 pcs/pallet | Impeller Material | Aluminum alloy |
| Number of Blades | 6 | Airflow Direction | All around |
| Direction of Rotation | Clockwise viewed toward rotor | Rotor Surface | Plastic spraying (blue) |
| Rotor Housing | Stretch | Degree of Protection | IP55 |
| Insulation Class | B | Operating Mode | S1 |
| Bearing | Ball bearing | Installation Position | Any |
| Transport/Storage Temperature | -40 to +80 °C | Operating Humidity | 5%–90% RH |
| Storage Humidity | 5%–95% RH | Cable Length | 500 ± 20 mm; stackable in 500 mm increments |
| Control Features | 10 VDC output; 0–10 VDC / PWM | Motor Protection | Locked rotor, thermal, over/under-voltage and overcurrent protection; soft start |
| Dielectric Strength | 1800 VAC / 50 Hz, 1 s; leakage ≤10 mA; no breakdown flashover | Touch Current | ≤3.5 mA according to IEC 60990 |
| Conformity | CCC, CE, RoHS | Release Date | 14 December 2024 |
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
Accessory part: inlet ring. M4 screw maximum screw-in depth: 5 mm. M6 screw maximum screw-in depth: 10 mm. AC cable: PVC 3 × AWG20. DC cable: PVC 4 × AWG24.
Electrical Connection
| Line | Connection | Colour | Function / Assignment | |
| Power Line | PE | Green / Yellow | Protective Earth | |
| U1 | L | Brown | Power supply, live wire; see nameplate for voltage range | |
| U2 | N | Blue | Power supply, neutral wire; see nameplate for voltage range | |
| Control Line | U4 | +10V | Red | Fixed voltage output 10 VDC ±5%, Imax. 10 mA; power supply for external devices such as potentiometers; SELV |
| U5 | Speed Control | Yellow | 0–10 V / PWM (maximum PWM amplitude 10 V) control input; SELV | |
| U6 | Signal Feedback | White | Tach output, 5 pulses per revolution (pulses can be customized or changed to RD signal); SELV | |
| U7 | GND | Blue | Reference ground for control interface; SELV | |
Speed Setting
- Full Speed: Short red and yellow; the fan will run at full speed.
- Voltage Control 0–10 VDC (±0.2 V): voltage above 1.0 VDC starts the fan; voltage below 0.5 VDC stops the fan.
- PWM Control: PWM duty 0%–100% (±2%); suggested amplitude 10 VDC (±5%); frequency 1–10 kHz; duty above 10% starts the fan and below 5% stops it.
- Potentiometer Control: use a 10 kΩ potentiometer; voltage above 1.0 VDC starts the fan and below 0.5 VDC stops it.
Signal Feedback: The fan provides a speed output signal. Vfg and the pull-up resistor are connected by the customer. Vfg=(3.3–30)VDC, R≥1000×(Vfg)Ω. Speed calculation: n=60f/a, where n is fan speed, a is pulses per revolution and f is signal output waveform frequency. Tacho signal output labels: IC, Rb1, Rb2, Rfg, Vce, Vfg, GND and Qa.
Download
Download BL-B310C-EC-07 Product Specification
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