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MC4 Inline Solar Diode (10-30A)
MC4 Inline Solar Diode (10-30A)
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MC4 Inline Solar Diode (10-30A)
📝 MC4 Inline Solar Diode (Sold Individually)
Protect your solar system from reverse current flow with this MC4 Inline Solar Diode, designed for safe, efficient and reliable operation in any off-grid or mobile solar setup. Available in 10A, 15A, 20A and 30A versions, it delivers essential protection while maintaining full compatibility with standard MC4 wiring.
⭐ Essential Benefits
• Stops reverse current flow – Prevents nighttime battery drain and protects panels from feedback damage.
• 30A max option – Suitable for high-output solar arrays and larger systems.
• Plug-and-play MC4 design – Connects instantly to existing panels, cables or charge controllers.
• Built-in sealed diode housing – One-piece waterproof enclosure for long-term reliability.
• Outdoor-ready construction – UV-resistant, weatherproof and tough enough for harsh environments.
⚙️ Functionality
This inline diode acts as a one-way gate for your solar power, ensuring electricity flows safely in the correct direction. Essential for parallel solar setups, mixed-panel arrays or any system where back-feeding could cause damage, it installs in seconds via the integrated MC4 connectors.
🔌 Compatibility
• All MC4-equipped solar panels
• 4–6mm² solar cable
• 12v, 24v and 48v DC solar systems
• RV, caravan, marine, cabin and off-grid setups
🧰 Installation Difficulty
🟢 1/5 (Easy) – Simply plug inline with MC4 connectors.
🔍 Features
• MC4 male/female inline design
• Diode options: 10A, 15A, 20A, 30A
• PPO insulated housing
• IP67 waterproof rating
• UV-resistant construction
• Auto-lock secure connection
• Touch-proof inner-knob design
• Double-insulated safety (Class II)
📊 Specifications
| Specification | Detail |
|---|---|
| Connector Type | MC4 inline diode |
| Current Ratings | 10A, 15A, 20A, 30A |
| Cable Size | 4–6mm² |
| Ingress Protection | IP67 |
| Material | PPO insulated housing |
| Polarity | One-way anti-reverse protection |
| Use Case | Prevents reverse current flow |
| Sold As | Single unit |
📦 What’s Included
• 1 × MC4 Inline Solar Diode (your chosen amperage)
🙌 Why Choose This Product?
This diode adds a crucial layer of protection to your solar system, preventing reverse current that can damage panels or drain batteries overnight. Its MC4 plug-and-play design, weatherproof construction and up to 30A capability make it perfect for any off-grid, RV, marine or fixed solar installation.
🚀 Our Promise
Order today for same-day dispatch and explore our full range of off-grid solar and electrical accessories.
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.