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100 Amp Flush Mount DC Circuit Breaker
100 Amp Flush Mount DC Circuit Breaker
SKU:CB100
In stock
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100 Amp Flush Mount DC Circuit Breaker
📝 100A Flush Mount DC Circuit Breaker
The 100A Flush Mount DC Circuit Breaker provides heavy-duty, waterproof protection for 12v–48v electrical systems. Perfect for campervans, RVs, and marine applications, it safeguards your setup from short circuits, overloads, and other high-current issues. It also functions as a manual battery disconnect switch, allowing maintenance or charging without removing cables.
Built with durable copper internals and a solid weather-resistant housing, this breaker ensures smooth, reliable operation even under demanding off-grid or marine conditions.
⭐ Essential Benefits
• Dual-purpose function – serves as both a circuit breaker and a battery isolator switch.
• Manual reset design – visible trip lever and push-button reset for easy operation.
• 12v–48v compatibility – ideal for a wide range of DC electrical systems.
• Rugged waterproof housing – IP67-rated for resistance to dust and moisture.
• Reliable performance – tested for consistent electrical function and long service life.
• Copper terminals – provide efficient conductivity and corrosion protection.
• Universal application – fits campervans, RVs, boats, ATVs, trailers, and more.
⚙️ Functionality
This 100A flush-mount breaker protects circuits from overcurrent and short circuits while doubling as a master disconnect switch. It replaces traditional inline fuse holders, providing manual reset control and easy installation. The on/off push-button mechanism offers reliable power management across your DC system.
🔌 Compatibility
• Suitable for 12v–48v DC setups
• Ideal for campervans, RVs, caravans, boats, and off-grid systems
• Works with winches, amplifiers, chargers, and auxiliary circuits
🧰 Installation Difficulty
🟢 1/5 (Easy) – panel or firewall mount, installs quickly with basic tools.
🔍 Features
• Push-button manual reset
• Flush / panel mount design
• 100A current rating
• 12v–48v DC voltage range
• IP67 waterproof housing
• Copper internal components
• Compact 76D × 48W × 36H mm size
📊 Specifications
| Specification | Detail |
|---|---|
| Current Rating | 100A |
| 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 × 100A Flush Mount DC Circuit Breaker
For a premium option, shop here!
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Tested for Reliability
All products are tested in real Aussie off-grid conditions before we stock them.
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Fast Dispatch
Order before 3 PM AEST for same-day shipping from Geelong, VIC.
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Quality Over Price
We only stock products we’d use ourselves—even if they cost a bit more.
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.


















