Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | Allen-Bradley 20-PP01080 |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Product Type | Main AC Fan Assembly / Cooling Fan Kit |
| Compatible Drive Series | PowerFlex 700H, PowerFlex 700S |
| Compatible Frame Sizes | Frame 9, Frame 10, Frame 11 |
| Power Rating | 230W |
| Fan Type | AC Motor with Tachometer Feedback |
| Kit Contents | Fan motor, impeller, connectors, mounting hardware |
| Quantity per Drive | 1 main fan assembly |
| Mounting | Direct bolt-on replacement; reuses existing fan bracket |
| AC Fan Wire Resistance (Reference) | Black-Brown: 62Ω, Brown-Blue: 36Ω, Blue-Black: 27Ω |
| Weight (Kit) | Approx. 3.5 kg (assembly) |
| Key Feature | Integrated tachometer feedback for speed monitoring |
Main Features and Advantages
Precision-Engineered Airflow Performance: The Allen-Bradley 20-PP01080 is designed with an airflow and static pressure curve specifically calibrated for PowerFlex 700S/H heat sink geometries . Generic substitute fans—even those with similar airflow ratings—may lack the static pressure needed to overcome the resistance of the dense heatsink fin array, resulting in insufficient cooling at the core of the IGBT module and creating hot spots that can cause premature failure . The 20-PP01080 ensures that the thermal design of the original system is fully preserved.
Integrated Tachometer Feedback for Diagnostics: A standout feature of the Allen-Bradley 20-PP01080 is its built-in speed sensor, which provides continuous fan speed data to the drive controller . If the fan speed drops below a predetermined threshold due to bearing wear, mechanical obstruction, or electrical degradation, the 20-PP01080 triggers a warning alarm. This enables maintenance teams to perform a planned replacement during a scheduled shutdown rather than reacting to a catastrophic drive overtemperature fault that halts production . In an industry where unplanned downtime can cost thousands per minute, this predictive capability adds significant operational value.
OEM Quality and Compatibility: As a genuine Rockwell Automation spare part, the Allen-Bradley 20-PP01080 guarantees exact electrical and mechanical compatibility . The electrical connector pin assignments are identical to the original factory-installed fan, eliminating the risk of wiring errors . The mounting hole positions match precisely, allowing for a straightforward drop-in replacement without any modification to the drive chassis . For facilities operating critical production equipment—such as pipeline pumps, compressor drives, or rolling mill main drives—the certainty provided by the OEM is essential .
Rugged Construction for Continuous Operation: The employs industrial-grade ball bearings rated for 24/7 continuous service . The fan assembly is designed to withstand the vibration, temperature extremes, and airborne contaminants common in heavy industrial environments . By using the OEM for preventive maintenance, plant engineers can ensure that the drive’s cooling system remains reliable for the full anticipated service life .
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