Good Sam Club Open Roads Forum: Tech Issues: Converter/charger upgrade
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Eddiecar

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Posted: 06/13/18 06:46pm Link  |  Quote  |  Print  |  Notify Moderator

Hello, I’ve recently upgraded my parallax converter/charger 7355 55amp to a progressive dynamic 55 amp smart charge/converter (pd4655v). The positive wire going to the batteries has a 12v 50amp short stop auto reset breaker just before the batteries. My question is should I upgrade the breaker to a 55 or 60 amp or leave the 50 amp? Is it safe to change the breaker to one with a higher amperage rating? The old system was 55 amps too, I don’t understand why the trailer manufacture didn’t install a larger breaker. Isn’t the breaker restricting the charger from charging at its full potential?

My trailer 2004 cascade 30ft trailer
Wire going to batteries from charger is a 6awg UL mtw awm 1283.
Batteries are 4 interstate 6v deep cycle wired in series parallel 12volt system.

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enblethen

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Posted: 06/13/18 08:28pm Link  |  Quote  |  Print  |  Notify Moderator

Breaker is protecting the wire.
I would not change it.


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time2roll

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Posted: 06/13/18 08:32pm Link  |  Quote  |  Print  |  Notify Moderator

Unbundled #6 with 105C insulation is good for at least 100 amps.
I would put a Bussmann Hi-Amp manually reset breaker in a place close to the battery.

https://www.amazon.com/Bussmann-CB185-80-Waterproof-Circuit-Breaker

Those self resetting automotive breakers are junk at best and a fire hazard at their worst.


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