Suzhou Blauberg Motoren Technology Co., Ltd. is one of the leading manufacturers and suppliers of blauberg gl-b225g-ec-m7 225mm ec plug 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.
The Blauberg GL-B225G-EC-M7 is a compact 230 VAC EC backward-curved centrifugal plug fan with a support frame and seven-blade PA+GF impeller. It operates at 3400 RPM and provides 0-10 VDC or PWM speed control and tachometer feedback.
| Model | GL-B225G-EC-M7 | Product Type | EC Backward-Curved Centrifugal Plug Fan |
| Phase | 1~ | Rated Voltage | 230 VAC (184-276 VAC range) |
| Frequency | 50/60 Hz | Rated Speed | 3400 +/-5% RPM |
| Maximum Input Power | 230 W | Maximum Input Current | 1.5 A |
| Sound Level | 81 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC, CE | RoHS | All materials conform to RoHS |
| Dimensions | 270 x 270 x 129.8 mm | Impeller | PA+GF, 7 blades |
| Rotation | Clockwise, viewed toward rotor | Rotor Surface | Blue plastic spraying |
| Degree of Protection | IP55 | Insulation Class | Class B |
| Duty / Bearing | S1 / Ball bearing | Motor | External-rotor EC motor |
| Protection | Locked-rotor, thermal, overvoltage, undervoltage, overcurrent and soft-start protection | Cable Length | 500 +/-20 mm |
| Humidity | 5%-90% RH operating; 5%-95% RH storage | Weight / Packaging | 4.45 kg / 54 pieces per pallet |
| 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 |
Power and control wiring
| Line | Terminal | Color | Function |
| Power | PE | Green/Yellow | Protective earth |
| Power | U1 / L | Brown | Live conductor |
| Power | U2 / N | Blue | Neutral conductor |
| Control | U4 / +10V | Red | Fixed 10 VDC output, maximum 10 mA |
| Control | U5 / 0-10V/PWM | Yellow | 0-10 VDC or PWM speed input; maximum PWM amplitude 10 V |
| Feedback | U6 / FG | White | Tachometer output, 5 pulses per revolution |
| Control | U7 / GND | Blue | Reference ground |
Tachometer feedback: The fan provides an open-collector speed output. The customer supplies Vfg and the pull-up resistor; Vfg = 3-30 VDC and R must be at least 1000 x Vfg ohms.
- Connect the power and control lines 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.
- If the fan does not run after starting, check the speed-control input voltage and wiring. Do not touch the impeller or rotor after power is applied.
- The fan takes several seconds to start. Do not touch the impeller or rotor while energized or operating at low speed.
- For EMC compliance according to EN 55014, an additional magnetic ring is required on the power line; the ring is not supplied with the fan.
- Persons lacking the required physical, sensory or mental ability, experience or knowledge may use the fan only under supervision. Keep it away from children.
- A damaged power cable must be replaced by the manufacturer.
- The motor is part of the fan and must not operate without an impeller or load.
- After unpacking, repackage the product for storage. Store it in a clean, ventilated warehouse at -40 deg C to +80 deg C, below 95% RH, without corrosive gases, and at least 15 cm above the floor.
- Read this technical specification carefully before use.
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