Ignitions and Electrical› Wiring Components

BLUE SEA

CIRCUIT BREAKER 187 SFCMT 50A

$100.06

SKU: B03C 7139-BSS

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Blue Sea Systems 7139-BSS is a thermal circuit breaker designed to provide heavy-duty circuit protection. It combines switching and circuit protection into a single device, featuring clear, single-lever operation. This breaker has an ampere rating of 50A and an interrupt rating of 5000A at 12V DC.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBLUE SEA
Part NumberB03C 7139-BSS

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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