Circuit protection basics

Circuit breakers are everywhere. If a technology, product, or piece of equipment runs on electricity, chances are it contains at least one circuit breaker to keep users and internal components safe.

With such a wide variety of applications for circuit breakers, it’s no surprise that there are a wide variety of designs and capabilities tailored to any need. Engineers selecting circuit breakers must consider the agency approvals required by their industry, the current and voltage ratings needed, the type of electrical input the breaker will see, the desired interrupt capacity, and any time delays or high inrush protections needed.

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