Universal Circuit Breaker 12V–48V High-Amp Manual Reset (100A / 150A / 200A / 300A)

This heavy-duty universal circuit breaker is a must-have for any serious 12V, or 24V setup. Designed for high-current applications, it protects your wiring, batteries, and equipment from overloads and short circuits while keeping your setup clean and serviceable.

Perfect for 4WDs, touring rigs, campers, caravans, boats, solar setups, audio systems and winches. When something goes pear-shaped, the breaker trips instantly — no blown fuses, no mess. Fix the issue, hit the reset button, and you’re back in business.

Built with a tough, heat-resistant housing and solid copper alloy studs, this breaker is made to handle harsh Aussie conditions. Fully sealed and splash-resistant, it’s suitable for engine bays, battery boxes and marine environments.

Ideal for anyone sick of spaghetti wiring and disposable fuses — clean, reliable power protection done properly.

Available current ratings:
• 100A
• 150A
• 200A
• 300A

Key Features:
• Manual reset button – no fuse replacement required
• High-amp protection for 12V, 24V and 48V systems
• Protects against overload and short circuit
• Heavy-duty construction with copper alloy terminals
• Splash-resistant housing for harsh environments
• Keeps wiring tidy and easy to diagnose
• Universal fit – suits automotive, marine and solar setups

Applications:
• 4WD & touring vehicles
• Campers & caravans
• Boats & marine systems
• Winches & inverters
• Audio & accessory power distribution
• Solar and auxiliary battery systems

If you’re building a proper power setup, this is one of those parts every bloke should have in the kit.