Blue Sea Systems ST Blade Common Source Fuse Blocks provide a covered, surface mount circuit consolidation and protection using ATO or ATC (blade) fuses (sold separately). Circuits all feature the same source for easy master switching. Clear insulating cover allows storage of spare fuses, and features an easy to open, push button latch. Fuses not included. Available in: 6 Circuit 12 Circuit Specifications: 6 Circuit 12 Circuit Maximum Amperage 100A per block 30A per circuit 100A per block 30A per circuit Maximum Voltage 32V DC 32V DC Mounting #8 Screw (M4) #8 Screw (M4) Negative Bus #10-32 Stud #10-32 Stud Positive Bus #10-32 Stud #10-32 Stud Recommended Torque 24 in-lb (2.71 N·m) 24 in-lb (2.71 N·m) Screw Terminal Torque 18 in-lb (2.03 Nm) 18 in-lb (2.03 Nm) Screw Terminal Type #8-32 Screws with captive star lock washer #8-32 Screws with captive star lock washer