Uxcell a16012800ux0112 10 Pcs 500V 30A Low Breaking Capacity 6x30mm Cartridge Ceramic Fuses (Pack of 10) Product Name : Ceramic Fuse; Fuse Type : Fast Acting; Features : Low Breaking Capacity Rated Voltage : 500V;Rated Current : 30A;Specification : 6 x 30mm Diameter : 6mm / 0.236";Length : 30mm / 1.181" Material : Ceramic; Main Color : White, Silver Tone Net Weight : 18g;Package Content : 10 x Ceramic Fuses Features: 500v rated voltage, 30a rated current, 6 x 30mm specification, fast blow, low breaking capacity, ceramic tube fuses. Mainly used for protecting the electrical circuit against overload and short-circuits. Also may derive for protecting the semiconductor device. Need professional knowledge to use this product.