Reddit reviews 400-AMP 12-VOLT CAR AUDIO CIRCUIT BREAKER MANUAL POWER FUSE RESET. GETWIREDUSA #148-400A
We found 1 Reddit comments about 400-AMP 12-VOLT CAR AUDIO CIRCUIT BREAKER MANUAL POWER FUSE RESET. GETWIREDUSA #148-400A. Here are the top ones, ranked by their Reddit score.
A quick google search for your specs led me to this 12V, 400A breaker for $13.
Auto winches seem pretty common, so I would think there's lots of options out there.