A4E300-AS72-01 ebm-papst: The Standard in 1-Phase Cooling
The A4E300-AS72-01 is a premium AC axial fan designed for single-phase operation, making it highly versatile for commercial and industrial applications where 3-phase power is not available. Commonly used in electrical cabinet cooling, smaller condensers, and general ventilation, this 300mm fan combines high efficiency with ease of installation. Its external rotor motor is capacitor-run, ensuring smooth startup and stable performance across its entire speed range. For maintenance engineers, this part is a reliable solution that balances power consumption with high-volume air displacement.
Key Technical Specifications
- Diameter: 300 mm.
- Motor Type: M4E068-CF.
- Voltage: 230 VAC, 1-phase (50/60 Hz).
- Protection: IP44.
- Capacitor Requirement: Typically 2 µF or 3 µF (check nameplate).
Engineering & Maintenance Insights
Lifecycle State: Active. A very common part in the Birmingham industrial sector for machine tool cooling. Diagnostic Tips: The most common failure in single-phase fans is the external capacitor. If the fan hums but requires a manual «push» to start, the capacitor should be replaced immediately. Maintenance: Check the terminal box for loose connections due to vibration. Compatibility: Can be used with simple triac-based speed controllers or integrated into PLC-controlled systems using a relay interface. It is often found in systems managed by Siemens LOGO! or basic S7-1200 configurations for climate control.
| Technical Metric | Value |
|---|---|
| Nominal Speed | 1320 RPM |
| Power Input | 60 W |
| Sound Pressure | 58 dB(A) |
| Direction of Air | «V» (Exhaust) |
Installation Note
Ensure the capacitor is mounted in a cool area of the cabinet to extend its life, as heat is the primary enemy of capacitor-start motors.
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