Rockford Fosgate Circuit Breakers

Reliable circuit protection for your audio system, a hallmark of Rockford Fosgate quality.

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Circuit breakers are used in place of fuses to protect an electrical device from a overload or short-circuit. Unlike fuses, circuit breaker do not need to be replaced whenever one "blows". Instead, simply flip the switch on the breaker and the connection is safely restored.

The circuit breaker rating is the number of amps that the unit has been rated at. The number of amps on a circuit breaker corresponds to the same number of amps needed when using fuses.

This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
This number refers to the maximum size of wire that will fit into the output connector(s) of the capacitor, battery terminal, or any other connector with an wire output.
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Rockford Fosgate RFCB200

200 Amp Circuit Breaker

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200 Amp Circuit Breaker

• 1/0-AWG / 4-AWG inputs
• Platinum plated
• Low-resistance, high-current ability
• Set screw style connection - no need for ring terminals

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FREE 3-day shipping to VA. Get it Mon, Dec. 4

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$61.99

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• 1/0-AWG / 4-AWG inputs
• Platinum plated
• Low-resistance, high-current ability
• Set screw style connection - no need for ring terminals

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Price: $61.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

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Rockford Fosgate RFCB140 Circuit Breaker

140A Platinum Plated Circuit Breaker with 1/0-AWG / 4-AWG Inputs/Outputs

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140A Platinum Plated Circuit Breaker with 1/0-AWG / 4-AWG Inputs/Outputs

• 1/0-AWG / 4-AWG inputs
• Platinum plated
• Low-resistance, high-current ability
• Set screw style connection - no need for ring terminals

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FREE 2-day shipping to VA. Delivers Dec. 12 - Dec. 19
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VIP Product Get $6.20 in rewards to spend later

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$61.99

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• 1/0-AWG / 4-AWG inputs
• Platinum plated
• Low-resistance, high-current ability
• Set screw style connection - no need for ring terminals

RFCB140 small

Item added to your cart.

Price: $61.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
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    FAQ Frequently asked questions in Rockford Fosgate Circuit Breakers


    Car Circuit Breakers Frequently Asked Questions (FAQ)
    A car amp circuit breaker is a protective device designed to prevent electrical overloads and short circuits in your car audio system. It acts as a safety mechanism by interrupting the flow of current when the current exceeds a certain limit, protecting your amplifier and other components from potential damage. When the current reaches a dangerous level, the circuit breaker ""trips,"" cutting off power to the amplifier until the issue is resolved. Unlike fuses, circuit breakers can be reset, making them more convenient for troubleshooting and avoiding the constant replacement of blown fuses. Having a circuit breaker in your audio system helps ensure the longevity and reliability of your amplifier and protects your investment in high-quality car audio equipment.
    Selecting the correct size of a car amp circuit breaker is crucial to ensure optimal protection for your audio system. The circuit breaker's size is determined by the maximum current (amperage) that your amplifier can draw. To find the right size, check your amplifier's manual or specifications to identify its maximum current rating. Once you have this information, choose a circuit breaker with a slightly higher amperage rating than the amplifier's maximum draw. This ensures that the circuit breaker trips when needed without being too sensitive to temporary spikes in current. Additionally, consider the total power output of your audio system, as other components like speakers and subwoofers contribute to the overall current draw. It's essential to match the circuit breaker's rating to your amplifier's requirements for effective protection.
    Yes, a circuit breaker can serve as a replacement for a fuse in your car audio system, providing similar protection against electrical overloads. The main advantage of using a circuit breaker is that it can be reset after tripping, unlike fuses that require replacement each time they blow. This feature makes circuit breakers more convenient and cost-effective in the long run, as you won't need to keep a supply of spare fuses on hand. However, it's essential to ensure the circuit breaker's amperage rating matches the requirements of your audio system. Some audio enthusiasts prefer to use a combination of fuses and circuit breakers for added protection and to safeguard different components of the audio system effectively.
    Installing a car amp circuit breaker requires some basic knowledge of car audio systems and electrical connections. First, determine the appropriate location to mount the circuit breaker near the amplifier, ensuring it is easily accessible. Disconnect the vehicle's negative battery terminal to prevent electrical accidents during installation. Next, disconnect the power wire from the amplifier and insert it into the input terminal of the circuit breaker. Connect the other end of the power wire to the output terminal of the circuit breaker. Ensure all connections are secure and use appropriate crimp connectors or soldering to establish reliable connections. Once the circuit breaker is in place, reconnect the negative battery terminal and test the audio system. If the circuit breaker trips, investigate and resolve any issues before resetting it.
    Yes, using multiple circuit breakers in your car audio system is possible and can provide additional protection for different components. For instance, you can install individual circuit breakers for your amplifier, speakers, and subwoofers to protect each component independently. This setup allows you to pinpoint any issues that may arise and reset the specific circuit breaker without affecting the rest of the system. However, when using multiple circuit breakers, it's crucial to ensure that each one is appropriately sized for the connected component's maximum current draw. Avoid ""stacking"" multiple circuit breakers in series, as this can lead to uneven current distribution and unnecessary tripping. Properly sizing and distributing circuit breakers in your audio system will help safeguard your equipment and ensure reliable performance.

    Rockford Fosgate Circuit Breakers Information

    With platinum plating and manual reset buttons, Rockford Fosgate circuit breakers are lightweight and critical to keep your equipment safe. The multiple wire gauge input and output sizes make integrating the breakers an easy process. Don't forget to add Rockford Fosgate circuit breakers to your shopping cart.
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