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External circuit protection limt

Home › Forums › Mayfly Data Logger › External circuit protection limt

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    • 2025-03-17 at 7:07 AM #18989
      Dr.Wu
      Participant

        We are looking at adding an external circuit breaker to protect a monitoring kit. We are configuring a monitoring kit to be a mobile or portable unit, that can be carried aboard a ship/boat of opportunity. Often in the field on a boat or in some weather, equipment gets wet.

        What level of current should an external breaker be rated to prevent damage in the event of overcurrent? Usually it is set above the max current draw, but not so close to the operating peak to constantly trip the breaker during normal operation (above 2 amps?) We would likely use a hydraulic magnetic breaker.

        Thanks

        Tony

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      • 2025-03-17 at 4:18 PM #18990
        Shannon Hicks
        Moderator

          Are you referring to an EnviroDIY Monitoring Station kit which contains a Mayfly Data Logger, or is your station based on some other type of controller?  And are talking about limiting the amount of current your monitoring kit could draw from a power source, or are you talking about limiting the output current of the kit in regards to the load the kit can supply power to?

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