motor controller

Choose the right combination motor controller type for your next panel

Combination Motor Controller (CMC) provide the four essential elements of motor branch circuit protection and control. Panel builders should understand the benefits and drawbacks of the five most popular CMC types.

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short circuit current ratings

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

short circuit current ratings

Daniel Lightsey
ABB Ability(TM), Smart Power

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

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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