PowerFlex 4M EMC Filter Kit Overview
Electromagnetic interference can disrupt nearby equipment and cause costly downtime. The Allen-Bradley 22F-RF026-CS EMC filter kit is designed to mitigate this risk for PowerFlex 4M variable frequency drives. This genuine Rockwell Automation accessory helps your drive meet electromagnetic compatibility requirements in industrial environments. By filtering conducted emissions, it protects sensitive electronics and maintains reliable operation.
This filter kit is specifically engineered for three-phase systems. It supports a voltage rating of 200-240V AC and a current rating of 26A. The kit is intended for applications with short cable lengths, which is a common configuration in many control panels. Choosing the correct filter for your drive and cable setup is essential for optimal performance and regulatory compliance.

Technical Specifications Breakdown
Key parameters for the 22F-RF026-CS are listed below for quick reference:
| Feature | Specification |
|---|---|
| Catalog Number | 22F-RF026-CS |
| Voltage Rating | 200-240V AC |
| Current Rating | 26A |
| Phase | 3-Phase |
| Cable Length | Short Cable Length |
Industry Applications
In manufacturing plants, conveyors and material handling systems often use variable frequency drives. The filter helps prevent drive-generated noise from affecting PLCs and sensors on the same power network. This is especially critical in facilities with high-density automation.
Another common use is in HVAC systems for commercial buildings. Pumps, fans, and compressors benefit from the clean power provided by the filter. With a 26A rating, this kit suits many mid-range motors. The 200-240V AC rating aligns with standard three-phase power in many regions. By investing in this filter, you reduce the risk of nuisance trips and extend the life of your equipment.

Installation & Setup Guidance
Proper installation is key to getting the most from your EMC filter. First, verify that your drive model is compatible with the 22F-RF026-CS kit. The filter is designed for short cable lengths, so keep the motor cable between the drive and motor as short as possible. Mount the filter close to the drive, using the provided hardware. Ensure good grounding between the filter, drive, and enclosure to maintain a low-impedance path for high-frequency noise.
Follow the instructions included with the kit for wiring connections. Use shielded cable for the motor leads, and keep power and control wiring separate. After installation, test the system for compliance with local EMC regulations. If you are unsure about the installation process, consult a qualified electrical engineer or refer to the PowerFlex 4M user manual.
Maintenance & Reliability
EMC filters are passive components that require minimal maintenance. However, periodic inspection is recommended to ensure long-term reliability. Check the filter for signs of overheating, such as discoloration or a burnt smell. Verify that all connections remain tight and free of corrosion. In dusty environments, clean the filter housing with a dry cloth to prevent buildup that could reduce airflow.
Because the filter is rated for 200-240V AC and 26A, it is designed for continuous industrial duty. Still, environmental factors like humidity and temperature can affect performance. If the filter is exposed to harsh conditions, inspect it more frequently. Always disconnect power before performing any inspection or maintenance work.
Compatibility & Integration
The 22F-RF026-CS is part of the PowerFlex 4M family from Allen-Bradley. It is designed to work with compatible drives in that series. The filter kit is a bolt-on accessory that integrates easily into your existing drive setup. It does not require additional software or configuration. Simply install the filter between the power source and the drive input.
This filter is suitable for three-phase systems operating at 200-240V AC. It is not intended for single-phase applications. Always confirm that your drive's voltage and current ratings match the filter's specifications. Using an undersized filter can lead to overheating and premature failure. For assistance with compatibility, contact AutoDCSTech with your drive catalog number.
Selection Guide & Purchasing Advice
When selecting an EMC filter, consider your drive's input voltage, current draw, and cable length. The 22F-RF026-CS is rated for 200-240V AC and 26A, making it a solid choice for many PowerFlex 4M installations. If your application requires longer cable runs, you may need a different filter kit. Verify your system requirements before ordering.
At AutoDCSTech, we stock genuine Allen-Bradley parts to keep your operation running. Our team can help you confirm that this filter kit matches your drive model. We offer fast shipping and competitive pricing on industrial automation components. Contact us today to place your order or ask about availability. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 22F-RF026-CS |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
