This voltage converter can handle 30A continuous output to 12v accessories, we built with an isolated function meaning if you ever had an issue occur inside of it, it would output 0v to your accessories and not put 48v to them.

Specs:

Input voltage: 30-60 VDC

Output voltage: 12v 

Output Current: 30A max continuous

Size Dimensions
L 7 in x W 4 6/8 in x H 1 7/8 in