RICH SOLAR Y Branch Parallel Adapters 3-to-1 | 3-to-1 Weatherproof Parallel Adapters for Solar Panels | Easy to Install
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Free Shipping In The USA | Call Us: 877-556-3347
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Visit CalculatorThe RICH SOLAR 3-to-1 Y Branch Parallel Adapters make it easy to connect three solar panels into a single input for increased charging current without changing system voltage. Designed with MC4-compatible connectors and durable outdoor-ready housing, these adapters simplify solar expansion while ensuring safe and secure connectivity. Whether you're working on a rooftop array, RV setup, or off-grid project, these plug-and-play adapters make wiring quick and dependable.
3-to-1 Parallel Configuration
Connects three solar panels to one input—increases amperage while maintaining voltage.
MC4-Compatible Connectors
Universally compatible—connects with standard MC4 solar panel terminals.
Weatherproof and UV Resistant
Rated IP67—built for long-term outdoor use in all conditions.
Snap-Lock Secure Fit
Firm connection points—resist accidental disconnection from vibration or movement.
Quick Installation
No tools needed—just plug and power up, ideal for DIY and professional use.


Everything you need is included with your product.
| Category | Specification |
| Rated Current | 20A |
| Maximum Voltage | 1000VDC |
| Waterproof | IP67 |
| Wire Range | 12AWG |
| Insulation Material | TPE/PPO |
| Contact Material | Tinned Copper |
| Temperature Range | -40°F ~ +194°F |
| Safety Class | Ⅱ |
Will these work with any solar panels?
Yes. As long as your panels use MC4-style connectors, these adapters will work with them.
Do these raise voltage or current?
These are for parallel wiring—they increase total current (amps) while maintaining system voltage.
Are they weatherproof for long-term use?
Yes. They are IP67-rated and UV-resistant for permanent outdoor installations.
Do I need special tools to use these?
No. These adapters are plug-and-play and do not require any tools for installation.
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