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 JLLS400

31 items left

Littelfuse JLLS Series

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

Product specifications

Ampere 400 A
Voltage rating 600 VAC, 300 VDC
Interrupt rating 200 kA at 600 VAC, 20 kA at 300 VDC
Speed Fast Blow
Class Class T Fuse
Shape Cartridge Leaded Fuses
Approvals CE, CSA, UL, UR
Substitute parts Bussmann JJS, Mersen A6T
Datasheet Littelfuse JLLS Datasheet
Dimensions 1.594" Dia x 3.626" L (40.5x92.1mm)
Item weight 9.7 oz

WARNING: Cancer and Reproductive Harm