20 mm fuses are one of the most popular sizes of fuse in the market today. They are a standard size of cartridge fuse that typically measures 20 mm long and 5 mm in diameter. 20 mm fuses are available in both glass and ceramic and come in a range of amperages, fuse speeds and voltage ratings.

RS offer an extensive range of 20 mm fuses from industry-leading brands such as Bussmann, Littelfuse, Schurter, SIBA and of course RS PRO.

Where would I use a 20 mm fuse?

These types of miniature fuses are typically used in panel and board protection circuits. Often used with a 5x20 fuse holder.