Cummins 400 amp RA 400 NSE NEMA 3R Outdoor Generator Automatic Transfer Switch A050W633

Cummins RA 400 NSE (RA412N3) Automatic Transfer Switch A050W633

The Cummins RA 400 NSE transfer switch monitors utility power 24 hours a day 7 days a week. When utility power becomes unsatisfactory or fails, the generator set is signaled to start, then automatically transfers the load. When stable utility voltage returns, the transfer switch will automatically switch electrical load from the generator to the utility. No action is required by the home or business owner.

The Cummins residential transfer switches are integrated with the Cummins residential gensets. These products are Listed to UL 1008, the standard for Transfer Switch Safety.