Ignitions and Electrical› Wiring Components

Littelfuse Inc.

CIRCUIT BREAKER FUSE

$41.08

SKU: L00F MXB20

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Littelfuse MXB20 is a stud type low voltage circuit breaker designed for 12V DC automotive systems. It serves as a wiring harness protector and conforms to SAE J standards. The breaker operates within a temperature range of -40°C to 150°C and offers a water resistance rating of SAE J553 (Salt Fog) with an interrupt rating of SAE J553 (1400% rating).

Fitment

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Specifications

BrandLittelfuse Inc.
Part NumberL00F MXB20

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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