short circuit current ratings

4 Steps to calculate short circuit current ratings in industrial control panels

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short circuit current ratings

Daniel Lightsey
ABB Ability(TM), Smart Power
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Marcelo E. Valdes
PE, IEEE Fellow Applications Eng. Manager
ABB Electrification Products Industrial Solutions

Short circuit current ratings (SCCR) are a critical specification when designing industrial control panels. Determining the appropriate SCCR actually requires no calculations. Instead, there is a simple, four-step process to follow.

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SCCR circuit breaker ratings

Power circuit breaker ratings explained

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Darryl Moser
Sales Enablement Manager
ABB Electrification Products Division

When selecting the right low voltage power circuit breaker for an application, it is important to consider both short-circuit current ratings and short-time current ratings. Understanding these performance characteristics will help you choose between the various circuit breaker designs.

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