Important information on the withdrawal of UL 508C and its impact on VFD's and ASD's. We can help you apply UL standard 61800-5-1 to your machine design.
The withdrawal of UL 508C certification has greatly impacted the manufacturing industry. But did you know that it was replaced with the new UL standard 61800-5-1? It specifically addresses the use of low-voltage variable frequency drives (VFDs) and adjustable speed drives (ASDs).
This whitepaper, is a must-read if you are a machine builder, a user of drives, a manufacturer of motor control centers or a panel builder. It details his perspective on what you need to know including the differences between the two UL standards.