Technical Analysis: A2E250-AA06-01 ebm-papst
The A2E250-AA06-01 is a robust 250mm axial fan designed for high-efficiency industrial ventilation. Utilizing a 2-pole external rotor motor, this fan is built for speed and power. The impeller, crafted from high-grade sheet steel, is directly welded to the rotor, ensuring dynamic stability and efficient motor cooling. This model is specifically suited for applications where high air volume is needed to overcome moderate backpressure, such as in large air-cooled condensers, refrigeration evaporators, and powerful extraction units.
Key Technical Characteristics
- Size: 250 mm.
- Voltage: 230 VAC (Single-phase).
- Motor: M2E068-CF.
- Speed: High speed (approx. 2500 – 2700 RPM).
- Protection Class: IP44 (Splash and dust resistant).
- Thermal Protection: Internal thermal overload protector (TOP).
Engineer’s Maintenance Notes
Lifecycle State: Active. A standard component in HVAC and industrial cooling. Diagnosis & Troubleshooting: If the fan trips the thermal overload continuously, check for airflow blockages. The A2E series relies on air moving over the motor for cooling; a blocked filter can cause the motor to overheat rapidly. Also, verify the capacitor condition (usually 3 µF). Installation Advice: Due to the high torque at startup, ensure electrical connections are tight. Compatibility: This fan integrates seamlessly into TIA Portal managed environments. It can be monitored via current sensing relays to detect belt breakage (in belt-driven systems) or locked rotors in this direct-drive application, feeding status back to a WinCC SCADA screen.
| Feature | Technical Specification |
|---|---|
| Nominal Speed | 2550 RPM |
| Airflow Max | 1600+ m³/h |
| Power Input | 115 W |
| Current Draw | 0.51 A |
Pro-Tip for Replacement
When replacing an A2E250 unit, always check the airflow direction arrow on the side of the housing. «V» (Exhaust) and «A» (Intake) versions look identical but function oppositely.
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