5A rcia fuse uint Responsive to an electric current. 1.Low price 2.High quality 3.Very convenient and safety to use H550 5A rcia fuse UINT1,Product: porcelain fuse 2.Material: copper, iron,aluminium3.Enjoyed good guality and reasonable pricecurrent 5A voltage 500vmaterial copper,iron,aluminium 5A rcia Porcelain fuse