Blue Sea Fuse A3T (Class T) 175 Amp 5115B-BSS

Blue Sea 5115 A3T fuse 175A with extremely fast short-circuit response and 20,000 Amp Interrupt Capacity (AIC) at 125V DC.

Stud Size: 3/8″

Stud Torque: 3/8″ in-lb (0.34 Nm)

Recommended by most inverter manufacturers

Maximum Operating Voltage: 160V DC

The Blue Sea Fuse A3T (Class T) 175 Amp (5115B-BSS) is a high-performance, fast-acting DC fuse designed to provide exceptional protection for high-current electrical systems in marine, RV, and off-grid applications. With a continuous current rating of 175 amps and a maximum voltage rating of 125V DC, this fuse is ideal for safeguarding critical components such as battery banks, inverters, and main distribution panels.

Engineered for safety, it features a 20,000-amp interrupt capacity, ensuring reliable protection in the event of a severe short circuit. Its Class T form factor allows for compact installation in tight electrical enclosures, and the silver-plated 3/8″ (M10) terminal studs ensure excellent conductivity and corrosion resistance—essential in harsh marine environments.

The fuse is UL-listed and compatible with Blue Sea Systems Class T Fuse Blocks (e.g., 5007100). Whether you’re outfitting a boat, RV, or renewable energy system, the 5115B-BSS fuse offers durable, high-integrity circuit protection you can count on.

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