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The Blauberg GL-B175B-EC-M1 is a 230 VAC EC backward curved centrifugal plug fan with a plastic impeller, IP55 protection and integrated motor protection. It operates at a rated speed of 3300 RPM and supports 0-10 V and PWM speed control.
| Model | GL-B175B-EC-M1 | Product Type | EC Backward Curved Centrifugal Plug Fan |
| Phase | 1~ | Rated Voltage | 230 VAC |
| Frequency | 50/60 Hz | Rated Speed | 3300 RPM |
| Max. Input Power | 85 W | Max. Input Current | 0.65 A |
| Sound Level | 72 dB(A) | Ambient Temperature | -25 deg C to +60 deg C |
| Certification | CCC | Release Date | 26 January 2024 |
| Dimensions | 226 x 226 x 79.6 mm | Impeller Material | Plastic |
| Rotation | Clockwise, viewed toward rotor | Rotor Surface | Plastic spraying |
| Degree of Protection | IP55 | Insulation Class | Class B |
| Operating Mode | S1 | Bearing | Ball bearing |
| Motor Type | External rotor EC motor | Operating Humidity | 5%-90% RH |
| Cable Length | 500+/-20 mm | RoHS | All materials comply with RoHS |
| Axial Impeller Deviation | <= 1 mm | Radial Impeller Deviation | <= 1 mm |
| Motor Protection | Locked-rotor protection, thermal protection, undervoltage and overvoltage protection, overcurrent protection and soft start | ||
| 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 |
The air-performance curve applies to the specified fan and rated operating conditions. Actual values may vary with installation and system resistance; verify performance on the installed unit when the configuration differs from the specification.
| Overall Size | 226 x 226 x 79.6 mm | Cable Length | 500+/-20 mm |
| Line | Connection | Designation | Colour | Function |
|---|---|---|---|---|
| Power Line | PE | PE | Green / Yellow | Protective earth |
| Power Line | U1 | L | Brown | Live wire |
| Power Line | U2 | N | Blue | Neutral wire |
| Control Line | U4 | +10V | Red | External output +10 VDC |
| Control Line | U5 | Speed Control | Yellow | 0-10 V and PWM-compatible input; maximum PWM value 10 V |
| Control Line | U6 | Signal Feedback | White | RPM output signal line |
| Control Line | U7 | GND | Blue | Ground |
The fan provides a speed output signal. The Vfg supply and pull-up resistor are connected by the customer. Vfg = 3-30 VDC; R >= 1000 x Vfg Ohm.
Note
Connect the power and control lines strictly according to the wiring diagram to prevent damage to the fan.
Do not connect the white signal wire directly to the red signal wire or an external DC power supply.
If the fan does not start, check the speed-control input voltage. 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.
Persons without the necessary physical, mental, sensory or practical ability must use the fan only under responsible supervision. Keep out of reach of children.
A damaged power cable must be replaced by the manufacturer.
The motor is part of the fan and must not be operated without an impeller or load.
Store repackaged units in a clean, ventilated warehouse at -40 deg C to +80 deg C, relative humidity no more than 95%, without corrosive gas and at least 15 cm above the ground.
Read the technical specification carefully before use.
GL-B175B-EC-M1 Product Specification.pdf
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