Free standard shipping for all US orders!


Glass fuses have a low breaking capacity. It's easy to see when they're blown: the glass will be discolored and the filament broken. Replace yours today!

Ceramic fuses are high or low breaking capacity and can be used in many applications. Ceramic color can vary from a very light beige to dark gray.

This section doesn’t currently include any content. Add content to this section using the sidebar.

Image caption appears here

Add your deal, information or promotional text

Bussmann FNA-12


Bussmann FNA Series

Bussmann FNA supplemental fuses. Melamine tube construction with nickel-plated endcaps. Typical applications: circuits with high inrush currents and supplemental protection for inductive circuits up to 250Vac.

Other Names: FNA12, FNA 12 Amp, FNA-12, FNA 12A, FNA12A, FNA-12A, FNA 12

Product specifications

Ampere 12 A
Voltage rating 125 VAC
Interrupt rating 10 kA at 125 VAC
Speed Time Delay / Slow Blow
Class Midget Fuses
Shape Cartridge Fuses
Approvals CE, UL, CSA
Substitute parts Mersen GFN
Datasheet Bussmann FNA Datasheet
Dimensions 0.406" Dia x 1.5" L (10.31x38.1mm)
Item weight 0.36 oz
Other names FNA12, FNA 12 Amp, FNA-12, FNA 12A, FNA12A, FNA-12A, FNA 12


WARNING: Cancer and Reproductive Harm

TheFuseShop is not an authorized distributor of Bussmann, Eaton, Littelfuse, Mersen, or Ferraz Shawmut products.