Blue Sea Fuse A3T (Class T) 125 Amp 5113B-BSS

The Blue Sea Fuse A3T (Class T) 125 Amp – 5113B-BSS is a high-integrity, fast-acting fuse designed for protecting DC electrical systems in demanding marine, RV, and off-grid power applications. It is rated for up to 125 amps of continuous current and supports a maximum voltage of 125V DC, making it ideal for safeguarding battery banks, inverters, and primary DC distribution circuits.

This fuse is engineered with a high interrupt capacity of 20,000 amps, allowing it to safely clear large fault currents quickly and effectively. Its Class T form factor ensures compact installation, while 3/8″ (M10) silver-plated terminal studs provide excellent electrical conductivity and corrosion resistance—especially important in harsh or humid environments.

Tested and certified to UL 248-15 and UL 198L standards, the 5113B-BSS meets rigorous safety and performance criteria. It is fully compatible with Blue Sea Systems Class T fuse blocks such as model 5007100, offering a seamless fit within existing marine-grade electrical systems.

Overall, this fuse provides reliable, space-saving, and standards-compliant protection for high-current DC circuits, where both performance and safety are critical.

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