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Converters Transfer Switches PanelsInvertersWarranty or Return Goods Authorization
Many questions can be answered here: FAQ
Product Manuals and troubleshooting guides
can be found here: Support
The Warranty return form and Technical Help forms are here: Service
Progressive Dynamics, Inc. 507 Industrial Road Marshall, MI 49068 USA
Office Hours
Monday-Friday
8:00 -4:00 PM EST
Ph: (269) 781-4241
Please note that due to the popularity of our Products
the call volume is high at times. Please leave a message,
or use the contact form and we will get back to you as soon as we can.
Sales Department
End Users / Consumers
Tuesday, November 4th 2025
Thank you for your patience.
Service and support are available during these dates please use the website Contact form.
Our Summer Closing is as follows:
Closed: Saturday, May 24 thru Monday, June 2. Resuming operations on Tuesday, June 3.
Closed: Saturday, June 28 thru Monday, July 7. Resuming operations on Tuesday, July 7.
Closed: Saturday, August 2 thru Sunday, August 10. Resuming operations on Monday, August 11.
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Technical Support
Before calling or emailing for Help
See Frequently asked Questions