30A Circuit Breaker with Reset Waterproof for Auto Trailer Truck RV Marine Audio

Product Overview

This 30A circuit breaker provides reliable overcurrent protection for automotive, trailer, truck, RV, and marine audio applications. The waterproof design ensures durability in harsh environments, while the automatic reset feature eliminates the need for manual reset after a fault. This 30A breaker is ideal for protecting wiring and accessories from short circuits and overloads.

Key Features & Performance

• 30 amp rating for medium-duty electrical protection
• Automatic reset function – breaker resets itself once the fault is cleared
• Waterproof and weather-resistant housing for use in outdoor or wet environments
• Compact design for easy mounting in fuse blocks or inline holders
• Suitable for 12V and 24V DC systems

Fitment & Compatibility

• Compatible with automotive and trailer electrical systems
• Fits truck, RV, and marine audio power distribution
• Works with standard ATC/ATO blade fuse holders (may require adapter)

Common Uses

• Protecting trailer lighting and brake controllers
• Overcurrent protection for RV auxiliary circuits
• Safeguarding marine audio amplifiers and accessories
• Replacing blown fuses in automotive accessory circuits

Technical Specifications

• Amperage: 30A
• Voltage: 12V/24V DC
• Reset Type: Automatic
• Waterproof: Yes

Frequently Asked Questions

Q: How does the automatic reset work? A: When an overload or short circuit occurs, the breaker trips and disconnects power; once the fault is removed, it resets automatically and restores power.

Q: Can this be used for marine audio systems? A: Yes, the waterproof design makes it suitable for marine environments, but ensure the amperage matches your amplifier's requirements.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.