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Y branch MC4 connector (2in1/3in1/4in1) are used for parallel wiring solar panels . These Y branch solar connector come with one male (MMF) and one female (FFM) connector. Use these Solar Branch Connectors to make tight, waterproof connections.

  • Double sealing ring, better waterproof effect
  • Compatible with PV cables of different insulation diameters
  • Compatible with all solar panels
  • Excellent aging resistance and UV resistance
  • Resistance to high and low temperatures and fire protection
  • Quick and easy wiring of plug-and-play components

Stable Delvery Time

Technical Support

2 Years


Welcome to Moreday’s cutting-edge Y Branch MC4 Solar Connector page. As a leading provider of top-tier solar solutions, Moreday is committed to delivering exceptional products for photovoltaic systems worldwide. Our Y Branch MC4 Solar Connector is designed to provide reliable and efficient connectivity for solar installations, ensuring seamless performance and maximum energy output.

Product Advantages and Features

Exceptional Performance

High Current Capacity: Rated for up to 30A, ensuring optimal performance even under heavy load conditions.
High Voltage Handling: Rated voltage up to 1000V DC, making it ideal for robust photovoltaic systems.

Robust Construction

Weatherproof: With an IP67 protection rating, our connector is highly resistant to rain, dust, and other environmental elements.
Heat Resistant: The connector can withstand temperatures ranging from -40℃ to +90℃, ensuring reliable operation in various climates.

Easy Installation

Snap-In Locking System: Provides secure connections and simplifies installation, saving time and effort.
Anti-Vibration: Designed to resist vibrations, ensuring stable and long-lasting connections.

High-Quality Materials

Durable Insulation: Made from high-quality PC/PA material, providing excellent insulation and longevity.
Tin-Plated Contacts: The copper alloy contacts are tin-plated, ensuring low contact resistance and high conductivity.

Product Applications

Photovoltaic Systems: Ideal for connecting solar panels and arrays in residential, commercial, and industrial settings.

DC Combiner Boxes: Perfect for integration into DC combiner boxes, facilitating efficient energy distribution.

Inverters: Suitable for connecting to inverters, ensuring seamless energy conversion and system efficiency.

Product Projects

Moreday’s Y Branch MC4 Solar Connector has been trusted in numerous high-profile projects around the world, including:

Santiago, Chile: An 8MW solar installation

Ho Chi Minh, Vietnam: An 11MW solar project

Ontario, Canada: A 20MW solar power system

Moreday's Advantages

Moreday is driven by innovation, with over 30 national patents and continuous development in solar technologies.

Technological Innovation

Moreday is driven by innovation, with over 30 national patents and continuous development in solar technologies.

Global Presence

We export to over 50 countries, serving a diverse range of customers and understanding the unique needs of each market.

Sustainability Commitment

Our mission is to advance a sustainable future for all by providing clean, reliable, and affordable solar solutions.

Quality Assurance

Our products are certified by CQC, CE, CB, TUV, and ROHS, ensuring top-tier quality and safety standards.

Why Choose Moreday?

1.Customer-Centric Approach:

We tailor our services to meet specific customer needs, ensuring satisfaction and long-term partnerships.

2.Proven Track Record:

With over 15 years of industry experience, we have a rich history of delivering high-quality solar solutions to our global customers.

3.Scalability and Capacity:

Our large-scale production capabilities allow us to handle projects of any size, with more than 5GW of capacity shipped worldwide.

4.Recognition and Trust:

We are recognized as a national high-tech enterprise, a testament to our innovation and dedication to excellence.




Connector System


Rated Voltage

1000V DC(lEC)¹

Rated Current


Test Voltage


Temperature Range

-40℃-+90°(lEC) -40℃-+75℃(UL)

Upper Temperature Limit

+105℃ (lEC)

Degree of Protection




Comtact Resistance of Plug Connectors


Safety Class

Contact Material

Messing,verzinnt Copper Alloy,tin plated

Insulation Mtacenal


Locking System





IEC 60068-2-52

popular questions


1. What is the rated voltage and current for this connector?

The rated voltage is 1000V DC and the rated current is 30A.

2. What is the operating temperature range?

The temperature range is -40°C to +90°C per IEC standards, or -40°C to +75°C per UL standards.

3. What ingress protection rating does this connector have when mated and unmated?

When mated, it has an IP67 rating for dust/water ingress protection. When unmated, it has an IP2X rating.

4. What materials are used for the contacts and insulation?

The contacts are made of tin-plated copper alloy. The insulation is made of PC/PA plastic.

5. How does the locking mechanism work?

It uses a snap-in locking system to securely mate the connectors.

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