Is a 345A switch enough for my engine?

[coopec43]

Originally Posted by gsalgado

We can't seem to find the cranking rating for the Guest 2111, but with it in place my engine still starts in less than 2s, and nothing in the switch gets hot.

Even though I believe it has been in use (for this purpose) for many years (given its location), others have pointed out it may be undersized and I've also came across an analysis of battery switches (https://www.practical-sailor.com/sys...switches?amp=1) and the Guest they tested was not among the best ones, so I'd rather err on the safe side and spend a few bucks on a Blue sea HD switch

That link (above) seems to be a bit dated. Has anyone posted this link? (I had a quick look but can't see it on the thread)
The Best Battery Disconnect Switches



https://www.galvinpower.org/best-bat...nect-switches/

[coopec43]

Originally Posted by gsalgado

We can't seem to find the cranking rating for the Guest 2111, but with it in place my engine still starts in less than 2s, and nothing in the switch gets hot.

Even though I believe it has been in use (for this purpose) for many years (given its location), others have pointed out it may be undersized and I've also came across an analysis of battery switches (https://www.practical-sailor.com/sys...switches?amp=1) and the Guest they tested was not among the best ones, so I'd rather err on the safe side and spend a few bucks on a Blue sea HD switch

That link (above) is a bit dated. Has anyone posted this link (a quick look and I can't see it)
The Best Battery Disconnect Switches


https://www.galvinpower.org/best-bat...nect-switches/

[coopec43]

I can't see where anyone has posted this link

The Best Battery Disconnect Switches

September 2, 2022

https://www.galvinpower.org/best-bat...nect-switches/


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