Blue Sea Atc Fuse Block With Cover, 12 Circuits Plus Grounding Circuit. Consolidates Branch Circuits And In-Line Fuses Positive Distribution Bus With #10-32 Stud Can Be Used For 24-Hour Circuits Models Available With Or Without A Cover Cover Satisfies ABYC/USCG Requirements For Insulation, Incorporates An Easy To Open Push Button Latch Providing Easy Access To Fuses, Storage For Two Spare Fuses, And Label Recesses That Accept Blue Sea Systems" Small Format Labels For Circuit Identification Fuse Blocks With Covers Include 12 Write-On Circuit Labels Tin-Plated Copper Buses And Fuse Clips Accepts Ring Or Snap Fork Type Terminals Accepts ATO And ATC Fast Acting Blade Fuses Specs: Blue Sea 5026 ST Blade Fuse Block - 12 Circuits With Negative Bus And Cover Circuits 12 Maximum Amperage 100A Per Block / 30A Per Circuit Maximum Voltage 32V DC Mounting #8 Screw (M4) Negative Bus #10-32 Stud Positive Bus #10-32 Stud Screw Terminal Type #8-32 Screws With Captive Star Lock Washer Weight 0.75lb (0.34 kg) Fuses Not Included Sold As Each 19-134 K-Four Switches