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3 - 1 Y Branch Solar MC4 Connectors (Pair)
3 - 1 Y Branch Solar MC4 Connectors (Pair)
SKU:sol-3to1-cable-pair
In stock
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3 - 1 Y Branch Solar MC4 Connectors (Pair)
📝 3-to-1 Y-Branch Solar MC4 Connectors (Pair)
Expand your solar system with these 3-to-1 Y-Branch MC4 Connectors, designed for securely paralleling three solar panels into one circuit. Perfect for off-grid setups in campervans, RVs, 4WD canopies, tiny homes, and fixed or mobile solar arrays, these connectors provide safe, stable, and weatherproof performance with a true 30A maximum rating.
⭐ Essential Benefits
• True 30A capacity – Handles the maximum current MC4 systems are designed for.
• 3-in-1 parallel connection – Connect three panels into a single solar input effortlessly.
• Sold as a matched pair – Includes 1 × male-to-3-female and 1 × female-to-3-male assembly.
• Weatherproof construction – IP67 protection for rain, dust, and outdoor exposure.
• Durable long-life materials – UV-resistant, heat-resistant, and flame-retardant.
• Plug-and-play installation – Secure locking tabs ensure a stable, vibration-proof connection.
⚙️ Functionality
These MC4 Y-branch connectors allow three solar panels to be run in parallel, increasing system amperage while keeping voltage the same. Their locking design prevents accidental disconnection, and their weather-sealed body ensures long-term reliability in harsh outdoor conditions.
🔌 Compatibility
• All MC4-equipped solar panels
• 4–6mm² double-insulated solar cable
• 12v / 24v / 48v systems
• Campervans, RVs, caravans, 4WD setups
• Off-grid cabins, tiny homes, marine solar
🧰 Installation Difficulty
🟢 1/5 (Easy) – Click-in installation with optional MC4 spanners.
🔍 Features
• 3-panel parallel connection
• IP67 water and dust sealing
• UV-resistant PPO housing
• 30A max current
• High-temperature resistance
• Secure locking tabs
• Flame-retardant (UL standards)
📊 Specifications
| Specification | Detail |
|---|---|
| Maximum Current | 30A |
| Rated Voltage | DC 1.8kV / AC 0.6–1kV |
| Waterproof Rating | IP67 |
| Operating Temperature | –40°C to +90°C |
| Fire Rating | UL2556 VW-1 |
| Cable Compatibility | 4–6mm² PV cable |
| Material | UV-resistant PPO |
📦 What’s Included
• 1 × Male-to-3-Female MC4 Y-Branch
• 1 × Female-to-3-Male MC4 Y-Branch
🙌 Why Choose This Product?
These heavy-duty 3-1 MC4 connectors offer safe, stable, and weatherproof parallel connections for adding more panels to your solar array. With a real 30A rating, tough outdoor durability, and plug-and-play installation, they’re ideal for expanding off-grid systems in vans, RVs, 4WDs, and home solar setups.
🚀 Our Promise
Order today for same-day dispatch and explore our full range of off-grid solar and electrical accessories.

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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.


















