ST Blade Compact Fuse Blocks - 4 Circuits with Cover - Provides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single side design allows wire entry from one side to maximize space. Compact common source fuse block, Accepts ATO® and ATC® fast acting blade fuses, Single side entry wiring. Ignition Protected-meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment, Insulating cover meets ABYC/USCG insulation requirements, Tin-plated copper buses and fuse clips, Accepts ring or snap fork type terminals, Small format standard and custom labels available. Circuits: 4, Maximum Amperage: 100A per block / 30A per circuit, Maximum Voltage: 32V DC, Mounting: #8 Screw (M4), Screw Terminal Torque: #8-32 Screws with captive star lock washer in-lb (0 Nm).