Sierra 30-80 Amp Maxi Fuse Block The Sierra Maxi Fuse Block is made of durable reinforced polycarbonate and is made for use with Maxi fuses, 30-80 Amp. For Maxi fuses 30-80 A Snap-on cover insulates conductive parts - meets ABYC USCG requirements Accepts 18-4 AWG wire from sides or bottom Maximum voltage - 32 VDC Meets SAE J1171 Material Reinforced Polycarbonate Color Black California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Fuses Pro