1 pc 20A 12V DC circuit breaker cover designed for dual battery systems. It includes an automatic auto reset function, a waterproof enclosure, and overcurrent protection to safeguard your 12V electrical setup. Key benefits - Reliable overcurrent protection for 12V DC circuits up to 20A, helping to prevent damage to wiring and connected devices. - Automatic auto reset provides quick fault recovery with no manual intervention. - Waterproof design minimizes water ingress and maintains performance in exposed or damp environments. - Simple, compact unit suited for mounting in tight spaces within vehicles, boats, or other 12V systems. - Essential safety component to maintain the proper and safe operation of your 12V DC electrical installation. What it is and how it helps - 1 piece unit: 20A 12V DC circuit breaker cover for dual battery configurations. - Provides circuit protection and quick recovery from overcurrent events, reducing downtime and component wear. - Built to operate in environments where moisture is a concern, helping ensure consistent performance. Compatibility and performance - Designed for 12V DC systems and dual battery configurations. - Rated for up to 20A circuits. - Delivers dependable protection and automatic reset to keep your system running smoothly. Practical use scenarios - Automotive dual-battery setup: Protect auxiliary circuits in trucks, SUVs, or vans that power accessories or winches. - Marine system: Shield battery banks and critical loads on boats where exposure to water is common. - Recreational and off-grid setups: Use in RVs, campers, or solar-powered 12V systems to safeguard essential devices and wiring. Why choose this - Focused protection for 12V systems with a simple, reliable design. - Waterproof and self resetting for easy maintenance and operation in challenging environments. - Suitable for multiple applications where a compact, 20A, 12V circuit breaker cover is needed to protect dual battery configurations.