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Product Notice: Bulletin 20A, PowerFlex 70 Variable Frequency AC Drive 600V D-FRAME PRODUCT Catalog Numbers that begin 20AE017, 20AE02, and 20AE027

Reference: 2008-12-001
Date: December 2008
Knowledgebase Document: 57277

- Product Identification –

Bulletin 20A, PowerFlex 70 Variable Frequency AC Drive, 600V D-frame product identified by catalog numbers that begin:

  • 20AE017
  • 20AE022
  • 20AE027

The manufacture dates are:

  • 20AE017xxxxxxxxx, April 1 2008 - July 31 2008
  • 20AE022xxxxxxxxx, Feb 15 2008 - July 31 2008
  • 20AE027xxxxxxxxx, June 1 2008 - July 31 2008

The manufacture date is shown on the drive nameplate:

- Anomaly Description -
The PowerFlex 70, 600V D-Frame AC Drive power boards were manufactured with material that has reduced dielectric and thermal characteristics. This may cause delamination between the board layers that would result in drive operation failure. The probability of drive failure is dependant upon application load profile, elevated temperature, and high humidity conditions over time.

- Temporary Workarounds -
No Temporary Workaround exists for this anomaly.

- Anomaly Correction –
Any product manufactured after August 26, 2008 has been corrected.

  • 20AE017xxxxxxxxx, August 26, 2008
  • 20AE022xxxxxxxxx, August 26, 2008
  • 20AE027xxxxxxxxx, August 26, 2008


- Requested Customer Action –

We request that you take the following actions:

  • Verify that you have a PowerFlex 70, 600V D-Frame AC Drive as described using the information provided in the Product Identification section of this Product Notice.
  • Contact your sales channel for help in exchanging PowerFlex 70, 600V D-Frame AC Drive.
  • If you need additional technical help, please contact your local technical support center. Contact numbers for PowerFlex Drives can be found in Appendix A.

If you are not personally impacted by this Product Notice, as the products are no longer in your possession, Rockwell Automation requests that you forward a copy of this notice along with any identifying documentation, immediately to the person or organization that the product has been transferred to. We also request that you contact Rockwell Automation Technical Support and provide the location where the affected unit(s) may be found.

We appreciate your immediate cooperation in this matter. If you have any questions, please contact us.