RICH SOLAR Inline Fuse Holder | Waterproof Replacement Inline Fuse Holder | Choose Amp: 10A, 15A, 20A, 30A
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Visit CalculatorThe RICH SOLAR Inline Fuse Holder is a compact, waterproof solution for protecting low-voltage DC circuits in solar, RV, and off-grid applications. Compatible with 10A, 15A, 20A, and 30A blade-type fuses, this holder provides fast-acting overcurrent protection for solar charge controllers, battery lines, and other sensitive electronics. With a weather-resistant cap and pre-attached wire leads, it’s simple to install and built to perform reliably in outdoor environments.
Multiple Fuse Ratings Included
Choose from 10A, 15A, 20A, or 30A—lets you match the fuse size to your specific circuit needs.
Weatherproof Design
Sealed cap and rugged body—protects fuse contacts from moisture, dust, and corrosion.
Inline Blade-Type Holder
Accepts standard ATO/ATC fuses—easy replacement and fast protection for DC components.
Pre-Wired Leads for Quick Install
Ready to connect—no additional terminals or modifications required.
Compact and Versatile
Low-profile form—fits neatly in tight spaces across RV, solar, or vehicle setups.


Everything you need is included with your product.
| Category | Specifications |
| Rated Current | 10A/15A/20A/30A |
| Degree of Protection | IP2X/IP67 |
| Rated Voltage | 1000 V DC |
| Flame Class | UL94-V0 |
| Test Voltage | 6000V (50Hz, 1 min) |
| Safety Class | II |
| Overvoltage Category | CATIII |
| Suitable Connector | Solar Connector |
| Contact Resistance of Plug Connector | 1mΩ |
| Insertion Force / Withdrawal Force | ≤50N/≥50N |
| Contact Material | Copper, Silver Plated |
| Insulation Material | PPO |
| Temperature Rang | -40 to +257°F |
Is this fuse holder waterproof?
Yes. When the cap is fully closed, the fuse contacts are sealed against water and dust ingress.
Can I replace the fuse?
Yes. The fuse is easily replaceable using standard ATO/ATC blade fuses.
What wire gauge does this support?
It’s typically compatible with 12AWG–16AWG wiring, depending on your fuse size and system current.
Can I use this in a marine environment?
Yes. Its waterproof design makes it suitable for boat and dockside electrical setups.
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