300A Circuit Breaker w Reset Waterproof for Auto Trailer Truck RV Marine Audio

Product Overview

This 300A circuit breaker provides reliable overcurrent protection for high-power automotive, marine, and RV electrical systems. Designed with a manual reset function and waterproof housing, it safeguards audio amplifiers, winches, and auxiliary equipment from shorts and overloads. Ideal for 12V and 24V DC installations.

Key Features & Performance

• 300 amp continuous current rating with automatic trip and manual reset
• Waterproof and corrosion-resistant construction for harsh environments
• Surface mount design with stainless steel hardware included
• Low voltage drop for efficient power transfer
• Compatible with 1/0 to 4 AWG cable lug sizes

Common Uses

• Automotive audio system main power protection
• Trailer and tow vehicle auxiliary battery circuits
• Truck winch and lighting accessory circuits
• RV house battery and inverter systems
• Marine audio amplifiers and navigation electronics

Technical Specifications

• Amperage: 300A
• Voltage: 12V / 24V DC
• Type: Resettable circuit breaker
• Waterproof Rating: IP67 (dust and waterproof)

Frequently Asked Questions

Q: Can this circuit breaker be used for a car audio system? A: Yes, it is specifically designed for high-current automotive audio installations and protects amplifiers and wiring from overloads.

Q: Is this breaker suitable for 24V systems? A: Yes, it works on both 12V and 24V DC systems, making it versatile for trucks, RVs, and marine use.

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