Featured in Automation in motion – 05-2010

Stricter and more uniform

Safety for inverters: Most inverters are already certified. Yet amazingly enough, uniform standards for all testing procedures do not exist. That is now changing. Axel Schwalm from VDE Testing and certification Institute explains what this means for manufacturers, dealers and installers.

By

Michael Fuhs

17 Sep 2010

Why is it important that inverters be certified? Around 40 percent of all inverters sent to the VDE for initial testing do not completely comply with current safety standards. For example, this can mean that the user gets an electric shock when the device is installed in a moist environment. When dust and moisture penetrate, …

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