0-230-25 Durite Pack of 10, blue continental fuses, 25A continuous use, 50A blow rating, Dimensions: 25mm length, Fuse ratings: Continuous rating for fuses are based on the fact they should blow at the amperage when the circuit is always on or plugged in, Blow rating for fuses is based on the fact that the circuit is intermittent and therefore the fuse requires to heat up before blowing, Always check your equipments manual before replacing fuses to determine which fuses you require.