MRF2913-40 MARINE FUSE CERAMIC

Cross References Brand / Manufacturer Part Number Bussmann MRBF-40, BK/MRBF-40 CTO USA (Main Product) MRF2913-40 Littelfuse 0581040, 581040, 0581040.X Technical Specifications Feature Details / Value Product Name Marine Rated Battery Fuse (MRBF) / Ceramic Cube Fuse Product Code MRF2913-40 Amperage Rating 40 Amps (40A) Maximum Voltage Rating 58V DC Fuse Body Material Heavy-Duty Weatherproof Ceramic Housing Terminal Material Tin-Plated Copper Alloy Core Elements Product Group Starters / Alternators / Electrical - Components - Fuses Category Marine Fuses UPC Code 402500980217 Item Gross Weight 0.062 lbs Status Active Applications & Compatibility Guide Category Usage & Universal Compliance Guidelines Recommended Use • Specially engineered for space-constrained marine and heavy automotive electrical environments. Ideal for primary battery terminal branch protection, main alternator outputs, accessory wiring loops, electronics distribution blocks, and DC power input circuits. Universal Compatibility • Universally compatible with all standard single, dual, or triple post MRBF (Marine Rated Battery Fuse) terminal blocks and mounting bars. • Widely utilized in commercial watercraft, recreational yachts, off-grid solar battery banks, specialized fleet service trucks, RV electrical networks, and heavy-duty auxiliary power units. Purpose & Function • Acts as a critical high-amperage, fast-acting barrier directly at the battery source to prevent devastating wiring harness damage or localized thermal failure loops. • Features an ignition-protected design (complying with SAE J1171 standards) that isolates internal electrical arcs, making it entirely safe for installation within enclosed marine engine compartments and gasoline or diesel fuel environments.