20AMP MC4 Solar Fuse

📝 20A MC4 Solar Fuse (Sold Individually)

Protect your solar array with this 20A MC4 Solar Fuse, engineered to prevent overcurrent damage and safeguard panels, wiring, and charge controllers. With a waterproof inline MC4 housing and true plug-and-play connectors, it integrates instantly into any 12v–48v solar system.

⭐ Essential Benefits

• Reliable 20A protection – Safeguards solar wiring and regulators from overcurrent.
• Inline MC4 design – Pre-fitted MC4 male and female connectors for quick installation.
• Plug-and-play setup – Clicks directly into existing MC4 solar cabling.
• Outdoor-ready durability – IP67 waterproof housing with UV-stable PPO construction.
• Universal compatibility – Works with any MC4-equipped solar panels and 4–6mm² cable.

⚙️ Functionality

This inline fuse interrupts the circuit automatically if current exceeds 20A, protecting your system from damage caused by wiring faults, mismatched panels, or regulator overload. Installed in seconds by placing it in-line with your solar panel feed, it adds essential safety to any off-grid setup.

🔌 Compatibility

• All MC4 solar panels
• 4–6mm² double-insulated solar cable
• 12V / 24V / 48V solar systems
• RV, caravan, 4WD canopy, marine and off-grid use
• Ideal for protecting charge controllers and parallel solar strings

🧰 Installation Difficulty

🟢 1/5 (Easy) – Click in-line and you're done.

🔍 Features

• 20A DC inline fuse
• Waterproof IP67 housing
• Locking MC4 connectors (male + female)
• UV-resistant PPO body
• Touch-safe, vibration-resistant connection
• Rated up to 1000V DC
• Operating temperature –40°C to +85°C
• Fast-acting circuit protection

📊 Specifications

📦 What’s Included

• 1 × 20A MC4 Solar Fuse

🙌 Why Choose This Product?

This 20A inline fuse adds critical overcurrent protection to any MC4 solar system, offering long-lasting weatherproof performance and instant installation. Perfect for caravans, RVs, boats, 4WDs, tiny homes, sheds and off-grid solar installations of all sizes.

🚀 Our Promise

Order today for same-day dispatch and explore our full range of off-grid solar and electrical accessories.