Clear insulating cover with label recess for small Blue Sea Systems' labels. Cover insulates all conductive parts, satisfying ABYC/USCG requirements. Tin-plated copper buses and fuse clips give 30 Amp rating per circuit. Rated for 32-Volt DC, 100 Amp maximum per block. Accepts ATO and ATC fast acting blade type fuses and plug-in style circuit breakers. Thermoplastic base and polycarbonate cover.