In April 2006, the Short Circuit Current Rating (SCCR) requirements of NEC 409 went into effect. You now need to consider how you select power circuit components for your control panels, how you determine your preferred manufacturers for power components and how you design and install your industrial control panels. Siemens is committed to supplying our customers with best in class products and services. With the implementation of NEC Article 409 and the changes to UL 508A, Siemens has put together a comprehensive list of our device ratings and combination ratings.

CLICK HERE to download our updated White Paper which provides a step by step explanation of NEC409 SCCR requirements and gives numerous examples for determining your SCCR rating for your industrial control panel.