
Rich Solar | Y Branch Parallel Connectors 4-to-1 | 4-to-1 Weatherproof Parallel Connectors for Solar Panels | Easy Install
4-to-1 Y Branch Parallel Connectors – Reliable, Weatherproof, and Hassle-Free Solar Panel Expansion
Upgrade your solar power system with Y Branch Parallel Connectors 4-to-1, engineered for clean and secure parallel wiring of four solar panels. These 4-to-1 weatherproof parallel connectors for solar panels are ideal for increasing your system's current while maintaining voltage, making them perfect for large or growing off-grid, residential, and mobile setups.
Built to endure harsh outdoor conditions, these connectors provide long-lasting durability, superior conductivity, and a tool-free installation experience.
Features:
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Quick & Easy 4-to-1 Wiring Solution
Effortlessly connect up to four solar panels in parallel, perfect for expanding your solar energy system with minimal setup. -
Universal Compatibility
Designed to work with all standard solar connectors, offering maximum flexibility for new or existing photovoltaic systems. -
Engineered for Harsh Environments
Built for photovoltaic solar systems with high mechanical demands, providing dependable performance in extreme weather conditions. -
No Tools Required
Snap-in design enables quick and simple assembly or removal—no extra tools or technical expertise needed. -
Superior Electrical Efficiency
Lower contact resistance ensures reliable conductivity and minimal power loss. -
Waterproof and Dustproof Protection
Fully sealed construction keeps out moisture and debris for long-lasting operation (IP67 rated).
Ideal For:
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Off-grid solar system expansions
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RVs, trailers, and marine applications
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DIY solar installations
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Residential solar upgrades
Specifications
- Rated Current: 30A
- Maximum Voltage: 1000VDC
- Waterproof: IP67
- Wire Range: 10AWG, 12AWG
- Insulation Material: PPO + PA
- Contact Material: Tinned Cooper
- Temperature Range: -40°C ~ +90°C
- Safety Class: II
Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

Orders over $500 include a FREE (Normally $149.99) 80-Page DIY Solar eBook — added automatically at checkout.
Frequently Asked Questions

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Unlock substantial savings with the government's Solar Tax Credit, which offers a robust 30% deduction on the installation costs of solar systems. This attractive incentive is your ticket to leveraging solar energy's eco-friendly potential while enjoying the financial benefits.
At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.
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