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Home Circuit Breaker 30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
30A-300A 12-48VDC Inline Circuit Breaker Fuse Holder for Marine Boat Car Stereo
This 12-48VDC 30A-300A Inline Circuit Breaker is a compact, resettable overload protector designed to safeguard your car, marine, boat, or RV electrical systems. It replaces disposable fuses by automatically tripping to cut power during overloads, then can be manually reset once the fault is cleared.
Perfect for protecting car stereos, marine navigation systems, RV power inverters, and other high-current DC devices. Whether you’re cruising on the water, camping in your RV, or upgrading your vehicle’s electrical system, this circuit breaker provides reliable, long-lasting protection.
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Parameter

MaterialABS+metal
Voltage12V 24V 48V
Current30A/ 60A/ 150A /100A /200A /250A/ 300A
Package1pcs/box
Mounting TypeSurface Mount
Amp Range Of Fuse Holder1 to 300 Amp
Fuse Holder Voltage OperatingAlloy /Good ABS Plastic
Single size2.9'' x 1.9'' x 1.9''

Why This Outperforms Competitors?

1.IP67 Waterproof & Ignition Protected

Its fully sealed design withstands water, dust, and moisture, making it safe for marine, RV, and off-road use. The ignition protection feature also prevents sparks from igniting flammable vapors, a critical safety advantage over basic circuit breakers.

2.Dual Reset Mechanism

It offers both a push-button reset and a manual reset arm, so you can quickly restore power in any situation—even if the button is hard to reach. Most competitors only have one reset option.

3.Robust Construction

The heavy-duty housing and high-conductivity copper contacts ensure it handles up to 50A reliably without overheating, while the silicone insulation adds extra protection against short circuits.

4.Easy Installation & Durability

The compact, vibration-resistant mounting design installs securely in tight spaces, and its rugged build resists corrosion and wear better than cheaper plastic alternatives.

Key Advantages

IP67 Waterproof & Ignition Protected – Sealed design resists water/dust, and prevents spark ignition of flammable vapors for marine/vehicle safety.
Dual Reset Mechanism – Push-button and manual reset arm offer flexible power restoration, even in hard-to-reach spots.
50A Heavy-Duty Capacity – High-conductivity copper contacts handle full load without overheating.
Vibration & Corrosion Resistant – Rugged housing and silicone insulation withstand harsh off-road/marine conditions.
Compact, Secure Mounting – Fits tight spaces in RVs, boats, or trucks with stable, vibration-free installation.