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120 Amp Flush Mount DC Circuit Breaker
120 Amp Flush Mount DC Circuit Breaker
SKU:CB120
In stock
BUNDLE & SAVE
120 Amp Flush Mount DC Circuit Breaker
📝 120A Flush Mount DC Circuit Breaker
The 120A Flush Mount DC Circuit Breaker provides strong and reliable protection for 12v–48v systems in campervans, RVs, and marine setups. Designed to prevent overloads, short circuits, and excessive current draw, it doubles as a battery disconnect switch, allowing easy maintenance or charging without disconnecting cables.
Built with durable copper internals and an IP67-rated weather-resistant housing, this breaker ensures smooth and dependable performance even in harsh off-grid or marine conditions.
⭐ Essential Benefits
• Dual-function design – acts as both a circuit breaker and a manual disconnect switch.
• Manual reset – push-button operation with visible trip lever for simple circuit control.
• Wide DC range – supports 12v–48v systems for maximum flexibility.
• Durable build – solid, waterproof housing tested for electrical and mechanical reliability.
• Smooth switching – precise on/off control with long-lasting performance.
• Copper terminals – excellent conductivity and corrosion resistance.
• Universal fit – ideal for campervans, boats, trailers, trucks, and off-grid systems.
⚙️ Functionality
This 120A flush-mount breaker protects circuits from overcurrent while serving as a quick-access power isolator. It replaces inline fuse holders, providing easy manual reset and maintenance convenience. Ideal for auxiliary and high-power applications such as winches, chargers, and amplifiers.
🔌 Compatibility
• Works with 12v–48v DC electrical systems
• Compatible with campervans, RVs, caravans, boats, and off-grid setups
• Perfect for winches, amplifiers, chargers, and auxiliary power systems
🧰 Installation Difficulty
🟢 1/5 (Easy) – quick and simple flush mount installation.
🔍 Features
• Manual reset push-button operation
• Flush / panel mount design
• 120A current rating
• 12v–48v DC voltage range
• Copper internal terminals
• IP67 waterproof housing
• Compact 76D × 48W × 36H mm design
📊 Specifications
| Specification | Detail |
|---|---|
| Current Rating | 120A |
| Voltage Range | 12v–48v DC |
| Type | Manual Reset Circuit Breaker |
| Mounting Type | Flush / Panel Mount |
| Ingress Protection | IP67 |
| Material | Copper Terminals |
| Dimensions | 76D × 48W × 36H mm |
| Applications | Campervan, RV, Boat, Trailer, Truck, Off-grid systems |
📦 What’s Included
• 1 × 120A Flush Mount DC Circuit Breaker
Our Commitment
At Campervan Builders, our commitment is simple: we only supply quality campervan, caravan, motorhome, and RV parts that we’ve personally tested in real off-grid conditions. From interior LED lighting to Starlink 12V conversion kits, every product is chosen for reliability, durability, and ease of installation. We back this with fast shipping Australia-wide, friendly support, and honest advice to help DIY builders and professionals alike. When you shop with us, you’re choosing proven gear that keeps you connected and comfortable on every adventure.