MC4 Y-Branch Solar Cable – Pre-Assembled 1-to-2 Parallel Harness

Instant Solar Panel Parallel Connection with Pre-Wired MC4s

Our MC4 Y-Branch Cable (Model Y2) is a factory-assembled, waterproof wiring harness that delivers true plug-and-play functionality. This ready-to-deploy solution features:

• Pre-crimped MC4 connectors at all ports (1 input + 2 outputs)

• Pre-measured cable lengths (standard 12″/24″/custom options)

• IP67-sealed junctions for immediate outdoor use

No tools or wiring skills required – simply connect your solar panels and go!

MC4 Y-Branch Solar Connector – 1-to-2 Plug & Play Parallel Adapter

Effortless Solar Panel Parallel Connection – No Tools Required!

Our MC4 Y-Branch Connector (Model Y2) is a true plug-and-play solution for instantly splitting a single solar cable into two parallel outputs. Designed for hassle-free installations, this pre-assembled, waterproof adapter lets you connect multiple solar panels in seconds—no crimping or wiring needed.

Perfect for expanding residential, commercial, or off-grid PV systems, this IP68-rated Y-splitter ensures maximum efficiency while reducing cable clutter. Compatible with all standard MC4 connectors, it’s the simplest way to boost your solar array’s capacity without extra hardware.

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Key Features

✅ Instant Parallel Connection

• True Plug-and-Play: Pre-wired with high-quality MC4 connectors—just snap and lock!

• 1-to-2 Branching: Merge two solar panels into one inverter input effortlessly.

• Ideal for Expansions: Quickly add panels without rewiring or combiner boxes.

✅ Built for Durability

• Fully Waterproof (IP67): Sealed against rain, dust, and moisture.

• UV-Resistant Housing: Withstands decades of sun exposure.

• Wide Temp Range: -40°C to 90°C (-40°F to 194°F).

✅ High-Performance Specs

• Rated for 30A per branch (60A total, cable-dependent).

• 1000V DC Max Voltage (UL versions: 600V).

• Low Resistance (<0.5mΩ) for minimal power loss.

✅ Universal Compatibility

• Works with any MC4-equipped solar panels, inverters, or charge controllers.

• Configurations Available:

  • Y2-FF: Female input → Dual Male outputs

  • Y2-MM: Male input → Dual Female outputs

  • Optional Diode: Blocks reverse current (for mismatched panels).

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Why Choose Our Plug-and-Play Y-Splitter?

✔ No Tools Needed – Save time with pre-crimped, ready-to-use connections.
✔ Certified Safe – Meets TUV/IEC/UL standards (upon request).
✔ Heavy-Duty Design – Flame-retardant (UL94V-0) & corrosion-proof.
✔ Cost-Efficient – Cut labor costs and simplify system upgrades.

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Technical Specifications

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Who Needs This?

• Homeowners expanding rooftop solar arrays.

• Installers streamlining parallel connections.

• Off-Grid/RV Users optimizing space-limited setups.

• Maintenance Teams bypassing faulty panels quickly.

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Order Today!

Available in:

• Standard (No Diode) – For matched panels.

• Diode-Protected – For mixed orientations/shading.

• Custom Cable Lengths – Specify during purchase.