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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 A3T125


Mersen A3T Series Series

Ferraz Shawmut is Mersen. Mersen A3T 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 125 A
Voltage rating 300 Vac, 160 Vdc
Interrupt rating 200 kA
Speed Fast-Acting
Class Class T
Shape Cartridge Blade Fuses
Approvals UL, CSA, RoHS
Substitute parts Bussmann JJN, Littelfuse JLLN
Datasheet Mersen A3T Datasheet
Dimensions 1.06" Dia x 2.44" L (26.92x61.98mm)
Item weight 2.28 oz


WARNING: Cancer and Reproductive Harm

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