Options
What is this Breaker for?

Trying to figure out what this breaker is for. It’s attached to my house battery and then runs on the port side of the boat.

Comments
Here is a link to a proper one
https://www.electricalhub.com/blue-sea-5191-terminal-fuse-blocks-1?_vsrefdom=adwords&_vsrefdom=adwords&gclid=CjwKCAjw1K75BRAEEiwAd41h1Bi3Hr-qyxQnD-2NJfM5cPTpOWikob_Ttapbwl95EPR9CDqOvJ9bBBoCIZ8QAvD_BwE
PC BYC, Holland, MI
Regards,
Ian
The Third “B”
Secretary, Ravena Coeymans Yacht Club
https://www.rcyachtclub.com/
Regards,
Ian
The Third “B”
Secretary, Ravena Coeymans Yacht Club
https://www.rcyachtclub.com/
PC BYC, Holland, MI
2018 Cherokee 39RL Land Yacht (Sorry...)
Regards,
Ian
The Third “B”
Secretary, Ravena Coeymans Yacht Club
https://www.rcyachtclub.com/