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0-376-45 Durite Standard Littelfuse Mega fuse for heavy duty application, Colour coded: orange, Fuse rating: 450A continuous use, Blow rating: 900A, 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, alway check your equipments manual before replacing fuses to determine which fuses you require. Dimensions: Length: 68.5mm, Body width: 19mm, M8 hole centres: 51mm.