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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.

Mersen A6T40


Mersen A6T Series Series

Ferraz Shawmut is Mersen. Mersen A6T fast-acting fuses combine two highly desirable features - high current-limitation and a small physical size. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings or current-limiting capability.

Product specifications

Ampere 40 A
Voltage rating 600 Vac, 300 Vdc
Interrupt rating 200 kA
Speed Fast-Acting
Class Class T
Shape Cartridge Fuses
Approvals UL, CSA
Substitute parts Bussmann JJS, Littelfuse JLLS
Datasheet Mersen A6T Datasheet
Dimensions 0.81" Dia x 1.57" L (20.57x39.88mm)
Item weight 1.28 oz


WARNING: Cancer and Reproductive Harm

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