Frozen A/c rotary selector switch

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Joined
Nov 26, 2020
Messages
6
Vessel Name
Chief ll
Vessel Make
Tollycraft MY53
Need a little help. I have a frozen six position A/C selector. It will not turn, stuck on 240v shore power and I need it to rotate to generator. Looking online it seems to be a older BlueSeas switch. But they only show a three position switch now.
The boat is a 1991 53ft Tollycraft.
Thanks for any input on how to unstick the switch
 

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Mine was a Kraus and Naimer.

Very easy to service is not too badly corroded. They are pricey but Kraus and Naimer makes a bunch of different models. The pic is just a random one, not meant to match yours.

I believe it does not push or pull in
 

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You will probably have to swap it out but have you tried anything like a contact cleaner? Maybe even WD40.
 
It is most likely a kraus Naimer as mentioned by Psneeld. It is a common failure when the switch is over heated. Over heating is caused either by running at max capacity for to long or bad connections.

The switch will have a part number on it, usually starts with a C.

You can not fix the switch, it has melted internally.
 
…Over heating is caused either by running at max capacity for to long or bad connections…

You can not fix the switch, it has melted internally.

We lost our switch 10 years ago because of corrosion/bad contacts. Fortunately we were on the boat. I replaced ours with a Blue Seas. Hobo was only wired for 120 vac.

Here are a few parts.
 

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Thanks for the help. 100% correct about the switch. Part #C43 .
$1680 and 6 to 8 weeks. Going to patch in a BlueSeas 2 position switch for now, one for generator second for 120volt shore power. I will have the stuck switch for 240 volt 50 amp shore power.
Thanks again
 
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