Car Overload Protection Circuit Breaker Self-Reset Fuse 30A to 300A

Protect your vehicle's electrical system with this automatic reset circuit breaker. Designed for car audio systems and high-power accessories, it cuts power during overloads and resets itself once safe conditions return. This eliminates the need to carry spare fuses or search for replacements on the road. Available in a wide range of amperages from 30A to 300A, it suits everything from moderate stereo upgrades to heavy-duty subwoofer installations. The manual override option gives you direct control when troubleshooting or servicing your setup.

Features and Construction

This breaker uses a robust self-recovery mechanism that handles repeated overloads without degrading. Its compact design fits easily into existing fuse holders or dedicated mounting points.

Automatic and Manual Reset

After an overload, the breaker automatically resets once the internal bi-metal strip cools down. You can also manually trip or reset it using the visible button, which helps during system testing or fault isolation.

Wide Current Range

With ratings spanning 30A, 40A, 50A, 60A, 70A, 80A, 100A, 150A, 200A, 250A, and 300A, you can match the breaker precisely to your circuit's maximum draw. This prevents nuisance tripping while ensuring full protection.

Material and Build

The internal components are made from fuse-grade materials for consistent conductivity and thermal response. The outer casing is durable enough for under-dash or engine bay placement.

Uses and Placement

This circuit breaker is ideal for aftermarket car audio power cables, auxiliary lighting, and other high-current devices. It works on both 12V and 24V electrical systems.

Car Audio Installations

Amplifiers and subwoofers draw significant current during peaks. Placing a breaker on the main power line protects the wiring and equipment without interrupting your music with blown fuses.

Accessory and Lighting Circuits

Use it for LED light bars, winches, inverters, or auxiliary battery isolators. The self-reset feature is particularly useful in off-road or commercial vehicles where access to fuses is limited.

Benefits and Buying Value

Reusable circuit breakers save money over time compared to disposable fuses. They also simplify troubleshooting because you can visually see if the breaker has tripped.

Reuse and Low Maintenance

Unlike glass or blade fuses that blow and need replacement, this breaker resets hundreds of times. There are no consumables to buy after the initial installation.

Why Choose This Product

It offers a single-device solution for overload protection across multiple amperage needs. The straightforward installation and reliable auto-reset function make it a practical choice for DIY car enthusiasts and professional installers.