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

Littelfuse KLLU1200


Littelfuse KLLU Series

Littelfuse KLLU fuses were developed to provide a somewhat lower priced alternate to the POWR-PRO KLPC series fuses. KLLU series fuses meet or exceed all UL requirements for Class L fuses.

Other Names: KLLU1200, KLLU 1200 Amp, KLLU-1200, KLLU 1200A, KLLU1200A

Product specifications

Ampere 1200 A
Voltage rating 600 VAC, 300 VDC
Interrupt rating 200 kA at 600 VAC
Speed Time Delay / Slow Blow
Class Class L Fuse
Shape Cartridge Blade Fuses
Approvals CE, CSA, UL
Substitute parts Bussmann KLU, Mersen A4BT
Datasheet Littelfuse KLLU Datasheet
Dimensions 2.5" Dia x 3.752" L (63.5x95.3mm)
Item weight 0 oz
Other names KLLU1200, KLLU 1200 Amp, KLLU-1200, KLLU 1200A, KLLU1200A


WARNING: Cancer and Reproductive Harm

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