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Design guides

Circuit breakers

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Power defense molded case circuit breakers

UL489 Molded-case circuit breakers up to 2500A.

    Magnum-breaker.jpg

    Power circuit breakers and insulated case circuit breakers

    UL1066 power circuit breakers up to 6,000A and UL489 insulated case circuit breakers up to 5,000A.

    Eaton's Magnum circuit breaker with Power Xpert Release trip units

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    If you have questions about design basics, we'll have an application engineer contact you.

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    Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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