Feature●Rated Current: 250 Amp●Rated Voltage: 48 Volt DC or 300 Volt AC●Nickel Plated Copper on Insulated Base●Four Feed / Distribution Terminals 5/16-18 Thread Stainless Steel Alloy Studs●Dimensions: 7.925" (L) x 1.5" (W) x 1.625" (Height at the Stud)Description Marine Grade Power Bar, Plated Copper, 250 Amp, Hot Feed or Common Ground.