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Old 05-24-2020, 02:54 PM   #1
SLC
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Join Date: Mar 2019
Location: Old bridge
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M.O.C. #23732
80 amp breaker

Hello to all,

We have seen other posts about upgrading to an 80 amp breaker but I had a few questions.


1. Is it so the slides have more power and can go in /out faster?

2. If we don’t have any issues should we swap it out?

3. Is it an easy job or do we need to have a Rv guy replace it?
(Easy meaning take off top n bottom red cables and put back on kinda easy)

4. Is there any other parts we need?

We have no electrical experience/knowledge.
This is our first 5th wheel. Second season with it.
We have added a pic of what we bought (on left) and what our unit came with.

Thanks for any info.
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Old 05-24-2020, 03:18 PM   #2
Carl n Susan
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Whoa, time out! The breaker with the wires connected in the picture is *NOT* the one the should be replaced. This breaker is for the inverter that feeds your residential refer.

The self resetting breaker you want to replace looks like this (once you remove the plastic red cover over it)..



Before you start, read this Post (and there are many more on the frequently failing breaker) to understand which breaker you want to change and where it is located.
https://www.montanaowners.com/forums...ighlight=reset
Quote:
Originally Posted by SLC View Post
Hello to all,

We have seen other posts about upgrading to an 80 amp breaker but I had a few questions.


1. Is it so the slides have more power and can go in /out faster?
No it has nothing do to with power other than the presence of it (or not). When the breaker heats up it disconnects the power. When it cools, it allows power to pass again. Hence the stop/start effect on the slides/jacks

Quote:
2. If we don’t have any issues should we swap it out?
You don't have to change it immediately if you are not having issues but recognize that you will have to change it sometime. Waiting until it fails may not not be a convenient time or location. Your choice.

Quote:
3. Is it an easy job or do we need to have a Rv guy replace it?
(Easy meaning take off top n bottom red cables and put back on kinda easy)
It is an easy job. You may have to enlarge the diameter of the hole on the wire connectors as the posts are larger on the 80 amp breaker. But that is easy with a drill motor and a slightly larger drill bit. Mounting the new CB and attaching the wires is straight forward.

Quote:
4. Is there any other parts we need?
No parts that I can think of, just basic tools.
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Old 05-24-2020, 03:43 PM   #3
SLC
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M.O.C. #23732
Ok thank you....
We will read the post you sent.
Do you have a link you can share on where to buy the breaker we need so we can get the correct one?

Thanks for answering my questions so clearly. We are still learning a lot and this forum and the people here help so much. We are happy to be apart it.
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Old 05-24-2020, 03:55 PM   #4
Carl n Susan
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The breaker pictured in your hand appears to be the correct one. There is a link to the an Amazon listing for the breaker in the referenced Thread. Post #30 has a link to a self resetting one.

Here is a link to a manual reset breaker (they are available lots of places maybe including your local Napa store (?)).

https://www.amazon.com/Bussmann-BP-C.../dp/B001PYL1VM
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Old 05-24-2020, 04:56 PM   #5
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Ok I think I understand you now...
Remove the red cover and replace what’s there with the breaker in my hand?
I will look tomorrow when I go back.
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Old 05-24-2020, 05:25 PM   #6
Carl n Susan
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Yup, but there are two CBs with red covers. The one you want to change is (usually) the left one. Study the pictures. The one with the big red wire to the pump system is the one to change.
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Old 05-24-2020, 05:35 PM   #7
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The only reason to replace the breaker is if you camp in cold weather and you have an issue with your slides stopping for a few seconds several times on the way in or out. It's caused by the hydraulic oil thickening with the cold and causing the motor to work harder. It's not an issue for those with electric slides and we haven't had the issue with our new rig possibly because it only has two hydraulic slides (the old one had 4).
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