Pair of 4-to-1 MC4 cable assemblies for solar panels and photovoltaic systems
Pair of 4-to-1 MC4 cable assemblies for solar panels and photovoltaic systems
SKU:421MC4A
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Pair of 4-to-1 MC4 Cable Assemblies
Parallel Solar Panel Connection | Photovoltaic System T-Branch Connectors
This pair of 4-to-1 MC4 T-branch cable connectors is engineered for efficient solar panel and photovoltaic system integration. Each assembly features a robust design with 4 male + female and 4 female + male connectors, specifically configured for linking up to four solar panels in parallel. This setup is crucial for maintaining system voltage while increasing the overall current output of your solar array, making it ideal for expanding existing installations or designing new, more complex solar systems requiring 4-to-1 MC4 junctions.
Designed for durability and ease of use, these cable assemblies provide a secure and weatherproof connection, ensuring reliable performance in various outdoor conditions.
IMPORTANT COMPATIBILITY: Designed for standard MC4 systems. Not compatible with MC3 or other non-MC4 connector types.
Key Features
| ▶ Universal MC4 Compatibility — Works with Photonic Universe and most other MC4-equipped solar panels. |
| ▶ Robust Weatherproofing — IP67 rated for dust and water immersion, ideal for outdoor use. |
| ▶ Secure Parallel Linking — Efficiently connects up to four solar panels in parallel to maintain system voltage. |
| ▶ Durable & UV Resistant — Constructed for long-term reliability in harsh outdoor environments. |
| ▶ Simple Plug-and-Play — Easy installation with secure, positive locking mechanisms. |
Technical Specifications
| Parameter | Value |
|---|---|
| Connector Type | MC4 (4 male + female, 4 female + male) |
| Input Solar Cable Cross Section | 4mm² |
| Input Solar Cable Length | 10cm |
| Output Solar Cable Cross Section | 10mm² |
| Output Solar Cable Length | 10cm |
| Rated Voltage (DC) | Up to 1000V |
| Rated Current | Up to 30A |
| Protection Degree | IP67 |
| Temperature Range | -40°C to +85°C |
| Flame Class | UL94-V0 |
| Contact Material | Copper, Tin-plated |
Parallel Connection Benefits
| Benefit | Detail |
|---|---|
| Maximise Power Output | Combine the current from up to four solar panels, effectively increasing the total power available to your system. |
| Maintain System Voltage | Parallel connections keep the voltage consistent with a single panel, which is crucial for compatibility with charge controllers and inverters. |
| Simplified Wiring | These T-branch connectors streamline the process of combining multiple panel outputs into a single string. |
| Enhanced Reliability | A robust and weatherproof connection minimises power loss and ensures stable energy flow from your solar array. |
Typical Applications
| Application | Description |
|---|---|
| Residential Solar Installations | Expand home solar arrays by linking multiple panels in parallel to increase current output. |
| Off-Grid Power Systems | Power remote cabins, caravans, and boats with increased current from multiple panels. |
| Commercial PV Arrays | Integrate into larger commercial photovoltaic projects requiring robust parallel connections. |
| RV & Marine Solar Setups | Provide flexible power solutions for mobile and marine applications where space and power needs vary. |
Built-In Protection Functions
These MC4 cable assemblies are designed with several features to ensure safe and reliable operation in outdoor solar environments. They boast an IP67 protection rating, providing complete dust ingress protection and resistance to temporary water immersion. • The connectors are UV resistant, preventing degradation from prolonged sun exposure. • A positive locking mechanism ensures a secure connection that resists accidental disconnection, enhancing system safety. • Constructed with UL94-V0 flame-retardant materials, they offer an added layer of safety against fire hazards.
Common Questions
What is the primary use of these 4-to-1 MC4 cable assemblies?
They are designed to connect up to four solar panels in parallel, which increases the total current while maintaining the system voltage. This is ideal for expanding solar arrays and optimising power output.
Are these connectors compatible with all solar panels?
These assemblies are compatible with solar panels featuring standard MC4 connectors. They are not compatible with older MC3 connectors or other non-MC4 types. Always verify your panel's connector type before purchase.
Can these connectors be disconnected easily?
MC4 connectors feature a positive locking mechanism for secure connections, which typically requires a special MC4 disconnect tool to prevent accidental separation. This is a safety feature to maintain connection integrity.
What does the IP67 rating mean for these connectors?
An IP67 rating signifies that the connectors are fully dust-tight and protected against temporary immersion in water (up to 1 metre for 30 minutes). This makes them highly suitable for outdoor use in various weather conditions.
Installation Notes
- Ensure correct polarity (+ to + and - to -) when connecting panels in parallel.
- Always disconnect power from solar panels before making or breaking connections to prevent electrical arcing.
- Use appropriate MC4 tools for secure connection and disconnection if required.
- Verify cable cross-sections match your system requirements for optimal performance.
Before You Buy
- Confirm your solar panels use standard MC4 connectors for compatibility.
- Check the voltage and current ratings of your solar system to ensure these connectors are suitable.
- Consider the total cable length needed for your installation, as these assemblies have fixed 10cm leads.
- For safety and compliance, it is generally recommended to use connectors from the same manufacturer within a system.
Always verify product specifications and compatibility with your specific solar system components before purchase and installation. Consult a qualified professional for complex installations.
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These MC4 cable assemblies are reliable and sturdy for connecting solar panels on boats, ensuring a stable power supply for your marine adventures. However, the challenge for boaters is ensuring a waterproof connection, so make sure to use marine-grade sealant or heat shrink tubing to protect the connections from moisture and saltwater corrosion.
These MC4 cable assemblies are easy to install and provide a reliable connection for solar panels. The cables are labeled clearly for easy identification, ensuring a straightforward setup process. The only drawback is that the cables could be slightly longer for more flexibility in installation.
These cable assemblies are great for beginners due to their easy-to-connect MC4 connectors. However, I found the different colour coding a bit confusing during installation. A tip I found helpful was to double-check the manual for clear guidance on matching the cables correctly.