G4E180-GS11-01: Quiet & Efficient Air Movement
The G4E180-GS11-01 distinguishes itself in the ebm-papst range by utilizing a 4-pole motor. Unlike the high-speed 2-pole versions (like the G2E series), this 180mm centrifugal blower operates at a lower rotational speed (approx. 1100-1300 RPM). This design choice drastically reduces the acoustic noise signature and vibration levels, making it the ideal solution for ventilation applications in noise-sensitive environments, such as laboratory fume hoods, residential HVAC units, and office air handling systems.
Detailed Technical Data
- Impeller Size: 180 mm.
- Housing: Die-cast aluminum or Sheet steel scroll.
- Voltage: 230 VAC (Single-phase).
- Motor: M4E068-DF (4-pole, low speed).
- Blade Type: Forward curved.
- Noise Level: Low (Significantly quieter than 2-pole equivalents).
- Capacitor: 3 µF / 400 VDB.
Engineer’s Guide: Maintenance & Installation
Lifecycle State: Active. A preferred spare part for commercial ventilation. Diagnosis: The 4-pole motor is extremely durable due to lower mechanical stress on the bearings. However, if airflow drops, inspect the forward-curved blades for dust accumulation. Even a thin layer of dust can significantly disrupt the aerodynamics of a Sirocco impeller, reducing efficiency by up to 20%. Installation Advice: Since it operates at lower pressure than G2E models, ensure the ductwork does not have excessive bends or restrictions that could «choke» the fan. Compatibility: Perfectly suited for Siemens Desigo or Synco building automation systems. It responds well to simple on/off control or multi-speed transformer controllers for day/night setback modes.
| Parameter | Specification |
|---|---|
| Speed | 1200 RPM |
| Airflow | 800 – 900 m³/h |
| Power Input | 160 W |
| Current | 0.72 A |
Pro-Tip
The G4E180 series is often used to retrofit older, noisier systems. If replacing a 2-pole fan with this 4-pole version, ensure the airflow volume is sufficient for the cooling load, as it will move less air but do so much more quietly.
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