Voltage Max. Operating: 250V DC, Amps Max. Operating: 250A, Class T Fuses:250A, Terminal Stud Size: 5/16"-18 (M8), IR10KA Made of ABS, copper plated, and silver plated materials with a fire resistance rating of V0, it has excellent conductivity, high temperature resistance, and is not easily deformed after use The shell of the whole Class T Fuse is made of ABS polymer material,the fire resistance can reach V0 fire rating,Insulating cover satisfies ABYC/USCG insulation requirements. Ignition protected when cover is secure Sterling silver solution, alumina ceramic copper terminal, ensure stable performance. The durable silver plated copper sheet metal structure provides excellent conductivity and handling capabilities so as to a safe and reliable connection，Class t fuse can be used to protect 12V inverters up to 3500W and 24V inverters up to 6000W, for other high current applications in RVs, boats, cars, and trucks. Note:The fuse block is installed near the positive pole of the battery to protect electrical components from the effects of surges or short circuits. Bumbesti class T 250V 250A