2 isolated 6-circuit fuse blocks with a negative bus. For use when a mix of switched and 24-hour circuits are desired in the same block. Common and/or independent source fuse block. Provides 2 isolated groups of 6 ATO/ATC circuits. For use with either 2 isolated batteries or with a single battery providing a mix of 24-hour and switched circuits. Clear insulating cover satisfies ABYC/USCG insulation requirements and provides storage for 2 spare fuses. Accepts ring terminals. Easy to open, push button latch provides easy access to fuses. Tin-plated copper buses and fuse clips. Includes 20 write-on circuit labels. Fuses sold separately. Specifications Voltage Maximum Operating: 32-Volt DC. Amperage Maximum. Operating: 30 Amp per circuit 100 Amp total (not to exceed 80 Amp per load group). Fuse Type: ATO or ATC Fuses. Screw Terminal: #8-32 Screws with captive star lock washer. Mounting: #8 Screw (M4). Recommended Wire Size: Positive Feed: 4 AWG to 6 AWG (25 mm to 16 mm), Branck Circuits: 10 AWG to 16 AWG (6 mm to 15 mm). Recommended Torque: #10 Stud: 24 in./lbs. (2.71 Nm), #8 Screw: 18 in./lbs. (2.03 N-m). Material: Plastic.