Littelfuse MEG200XP MEGA Slo-Blo Automotive Bolt-Down Fuse Commonly used for battery and alternator connections and other heavy gauge cables requiring ultra high current protection Provides time delay characteristics 200 Amp designed and patented by Littelfuse, color code blue Designed for high current circuit protection up to 250 amperes Slo-Blo feature eliminates nuisance blowing during temporary, short duration overloads