Interchangeable/Compatible with: All automobiles and devices equipped with a 10-32 Volt DC power source. Features: High quality construction. Maximum of 20 Amp circuit and 75 Amp per panel. Clear cover included for additional protection. Input terminal rating:75A, 32V DC; M5 threaded studs. Input wire size:#4~6 AWG. Output terminal rating: 20A max Per Circuit. Output wire size:#12~16 AWG