![]() ![]() Rather, identifying an SCCR requires only that you investigate the fault capacity of the components in the panel circuit. People refer to “calculating” the SCCR of a panel, but there actually are no calculations required. A panel with an incorrectly calculated SCCR could fail or cause an arc flash, with the potential to cause serious injury or death, as well as significant damage to the facility. Determining an accurate SCCR is essential to ensuring the safety of people who work on or around power equipment. ![]() The UL Standard for Safety for Industrial Control Panels, UL 508A, includes instructions for calculating a panel’s short circuit current ratings (SCCR), but many people have trouble working through that process. Instead, there is a simple, four-step process to follow. Determining the appropriate SCCR actually requires no calculations. Short circuit current ratings (SCCR) are a critical specification when designing industrial control panels. ManagerĪBB Electrification Products Industrial Solutions
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