The Time Current Curves (TCC) for WL circuit breakers can be obtained from the Siemens EZ TCC software program. EZ TCC is a free download.  Additionally, Siemens has worked with additional third-party vendors such as Easy Power and SKM, who have integrated Siemens circuit breakers within their software packages.

Obtain your free copy of EZ TCC today: Click here

Tips and tricks for using EZ TCC can be downloaded, as well: Click here