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Thread: Inline 300 amp circuit breaker for Inverter Insall

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    Inline 300 amp circuit breaker for Inverter Insall

    All,

    I am installing a 3000 watt inverter on my 2016 3010RE and have run into an issue.
    I need to install an inline 300 amp circuit breaker between the positive battery bank terminal and the positive inverter terminal.
    I am using 4/0 guage wire and the lug on the wire to too large to fit on the circuit breaker I have purchased (see attached picture).
    Does anyone have a recommended solution for this?

    Thanks,
    Gary
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    Senior Member Jesstruckn/Jesstalkn's Avatar
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    Re: Inline 300 amp circuit breaker for Inverter Insall

    If it were me I would use a 300amp fuse for that project

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    Senior Member SLO's Avatar
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    Re: Inline 300 amp circuit breaker for Inverter Insall

    Quote Originally Posted by Jesstruckn/Jesstalkn View Post
    If it were me I would use a 300amp fuse for that project

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    This is what I used as well


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    Senior Member Flick's Avatar
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    Re: Inline 300 amp circuit breaker for Inverter Insall

    Quote Originally Posted by garysclark View Post
    All,

    I am installing a 3000 watt inverter on my 2016 3010RE and have run into an issue.
    I need to install an inline 300 amp circuit breaker between the positive battery bank terminal and the positive inverter terminal.
    I am using 4/0 guage wire and the lug on the wire to too large to fit on the circuit breaker I have purchased (see attached picture).
    Does anyone have a recommended solution for this?

    Thanks,
    Gary
    If you’re set on using that cable, I would recommend cutting the large terminal off and reinstalling a smaller ring terminal that fits your circuit breaker.
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    Re: Inline 300 amp circuit breaker for Inverter Insall

    I would use the correct circuit protection, which should be a Class T fuse.

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