Clear insulating cover protects conductive componenets and have label recess for small format labels. Storage for spare fuses. Easy to open, push button latch. Cover satifies ABYC/USCG requirements. Tin-plated copper buses and fuse clips give 30 Amp rating for circuit. Accepts ATO and ATC fast acting blade type fuses. Negative common bus with #10-32 stud. #8-32 teminal screws with captive lock washers, accepts ring or spade type terminals. Mounts with #8 or M4 screws. Maximum amerage per circuit: 30A, Maximum amperage per block: 100 Amps, Maximum voltage: 32 volts DC.