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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 NLN400


Littelfuse NLN Series

Littelfuse NLN series fuses provide low cost protection for general-purpose feeder and branch circuits when available short circuit currents are less than 50,000 amperes.

Other Names: NLN400, NLN 400 Amp, NLN-400, NLN 400A, NLN400A, NLN400.X

Product specifications

Ampere 400 A
Voltage rating 250 VAC, 250 VDC
Interrupt rating 20 kA at 250 VDC
Speed Fast Blow
Class Class K5 Fuse
Shape Cartridge Fuses
Approvals CE, CSA, UL
Substitute parts Bussmann NON, Mersen OT
Datasheet Littelfuse NLN Datasheet
Dimensions 2.094" Dia x 4.878" L (53.19x123.9mm)
Item weight 1.45 lbs
Other names NLN400, NLN 400 Amp, NLN-400, NLN 400A, NLN400A, NLN400.X


WARNING: Cancer and Reproductive Harm

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