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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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Mersen A50P400-4


Mersen A50P Series Series

Ferraz Shawmut is Mersen. Mersen A50P Amp-Trap Form 101 high speedfuses were developed for DC drives, uninterruptable power supplies and similar applications requiring better protection (lower I2t) and superior reliability.

Other Names: A50P400, A50P 400 Amp, A50P 400A, A50P-400-4, A50P-400

Product specifications

Ampere 400 A
Voltage rating 500 Vac, 450 Vdc
Interrupt rating 52 kA
Speed High Speed
Class Semiconductor
Shape Cartridge Blade Fuses
Approvals UL, RoHS
Substitute parts
Datasheet Mersen A50P Datasheet
Dimensions 1.5" Dia x 4.34" L (38.1x110.24mm)
Item weight 10.88 oz
Other names A50P400, A50P 400 Amp, A50P 400A, A50P-400-4, A50P-400


WARNING: Cancer and Reproductive Harm

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