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.

Littelfuse JLLN030


Littelfuse JLLN Series

Littelfuse JLLN fuses provide fast-acting overload and short circuit protection for non-inductive circuits and equipment.

Product specifications

Ampere 30 A
Voltage rating 300 VAC, 160 VDC
Interrupt rating 200 kA at 300 VAC, 50 kA at 160 VDC
Speed Fast Blow
Class Class T Fuse
Shape Cartridge Fuses
Approvals CE, CSA, UL, UR
Substitute parts Bussmann JJN, Mersen A3T
Datasheet Littelfuse JLLN Datasheet
Dimensions 0.406" Dia x 0.875" L (10.31x22.23mm)
Item weight 0.16 oz


WARNING: Cancer and Reproductive Harm

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