Hamolar 100A Manual-Reset Circuit Breaker 3-Pack — 12–48V Automotive Marine Protection, Push-Button Reset

Hamolar 100 Amp manual-reset circuit breakers protect 12–48V DC audio, trolling motor and auxiliary systems by stopping overcurrent and allowing quick resets without replacing fuses.

Compact and hardy, this 3-pack of Hamolar 100A manual-reset circuit breakers is designed for automotive, marine and off-road electrical protection where a reusable trip device is preferred over disposable fuses. Rated for 12–48V systems and built to tolerate wide ambient temperatures, each breaker uses a push-button reset that doubles as a convenient kill switch for emergency shutoff. The set includes wire lugs and copper washers to simplify installation onto battery cables or distribution blocks.

How does this breaker protect my amplifier or trolling motor?

When current exceeds the breaker's rated trip level, the internal mechanism interrupts the circuit to prevent wiring overheating, component damage or further shorting. Unlike single-use fuses, the breaker can be reset after the fault is cleared, reducing downtime.

• Stops sustained overcurrent that can damage amplifiers and motors.
• Prevents heat buildup and wiring insulation failure.
• Quick push-button reset restores power after troubleshooting.

What electrical systems and voltages is it compatible with?

Hamolar's 100A manual-reset breakers are compatible with 12V and 24V automotive systems and can be used up to 48V DC, making them suitable across a range of vehicles and marine setups. They work as inline protection for audio systems, trolling motors, winches and auxiliary circuits.

• Works with 12–48V DC electrical systems.
• Fits car, boat, RV, ATV, truck and marine installations.
• Replaces inline fuse holders where manual reset is preferred.

How do I install and use the manual reset breaker safely?

Installation requires securely fastening the breaker to a grounded surface or mounting bracket and using the provided wire lugs and copper washers for a tight battery-cable connection. Always disconnect the battery before wiring, torque terminals to recommended specifications, and position the breaker where it is accessible for reset and inspection.

• Disconnect power before installation to avoid shorts.
• Use supplied lugs and washers for reliable connections.
• Mount within reach for easy manual resets and emergency cutoff.

How durable is this breaker in marine and extreme environments?

Built to tolerate a broad ambient temperature range, the Hamolar breaker is suitable for varied climates and marine use. While not fully submersible, its robust housing and metal terminals resist corrosion when installed with proper sealing and protected mounting.

• Rated for ambient temperatures from -32°C to 82°C (-25°F to 180°F).
• Metal terminals and included copper washers improve conductivity and longevity.
• Best performance when mounted in a dry, ventilated location or protected enclosure.

Who is this for? If you maintain car audio systems, marine trolling motors, ATV winches or any DC accessories that need reliable, resettable overcurrent protection, this Hamolar 100A 3-pack offers a practical solution. It suits DIY installers, professional technicians and fleet owners who prefer reusable breakers over disposable fuses for quicker recovery after electrical faults. Choose this set when you want a durable, easy-to-reset protective device that covers a wide range of 12–48V applications.