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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.

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Littelfuse JLLN250


Littelfuse JLLN Series

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

Other Names: JLLN250, JLLN 250 Amp, JLLN-250, JLLN 250A, JLLN250A, JLLN250.X

Product specifications

Ampere 250 A
Voltage rating 300 VAC, 125 VDC
Interrupt rating 200 kA at 300 VAC, 20 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 1.311" Dia x 2.752" L (33.3x69.9mm)
Item weight 4.64 oz
Other names JLLN250, JLLN 250 Amp, JLLN-250, JLLN 250A, JLLN250A, JLLN250.X


WARNING: Cancer and Reproductive Harm

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