A Circuit breaker offers protection of your Car Audio system over powers or has a short. The Circuit breaker will then close the open circuit to avoid damage being caused. Once this happens there is no need to replace a fuse, you simply push the switch back to open the circuit again. * 20 amp Rating * Fits 4 - 8 AWG input/output * High current circuit breaker which has gold plated terminals * Stops power surges from causing damage to your system * Circuit breaker comes with a mounting plate * A push button reset can also be used a knock off switch * Water resistant housing * Replaces an AGU Fuse Holder Universal.
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