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  • Users: JDubs
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  1. JDubs

    Nuisance tripping Merlin Gerin M08 H1 circuit breaker

    I am experiencing nuisance tripping on a Merlin Gerin M08 H1 600 VAC 3 pole circuit breaker. The original STR 58U trip unit was replaced with an AC-PRO-MP trip unit. The site loads are low, current is typically between 30-100A. I have heard that there have been issues with this breaker nuisance...

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