MC4 Waterproof Connector UV-Resistant Solar Panel Extension Cable Connector
The MC4 Solar Connector is an industry-standard, high-performance interconnection solution designed for photovoltaic systems. Featuring an IP68 waterproof rating and UV-resistant engineering polymer housing, this connector ensures reliable power transmission in harsh outdoor environments. The snap-lock coupling mechanism provides secure, tool-free mating while maintaining 1000V DC/30A current capacity for solar array applications.
With silver-plated copper contacts and weatherproof sealing, this connector pair delivers low contact resistance (<0.5mΩ) and 25+ years of service life, making it ideal for commercial solar farms, rooftop PV systems, and off-grid installations.
1. Environmental Protection
IP68 waterproof rating
UV-resistant housing
Range: -40°C to +90°C
2. Efficient Transmission
Rated current: 20-30A
Rated voltage: 1000V DC
Resistance: <0.5mΩ
3. Secure System
Audible snap-lock design
Positive mating feedback
Strain relief for 4-6mm² cables
4. Premium Materials
Housing: PA66+GF25
Contacts: Silver-plated copper
Seals: Silicone rubber
Target Applications:
Solar Energy Systems: Photovoltaic panel interconnections, string combiner boxes, and inverter DC inputs.
Industrial Uses: Solar farm field wiring, tracking solar array systems, and floating PV plants.
Specialized Projects: Off-grid power systems, solar street lighting, and RV/marine solar installations.
Frequently Asked Questions
What is the waterproof rating of this connector?
This MC4 connector features an IP68 waterproof rating, ensuring complete protection against dust and water immersion.
What temperature range can it withstand?
The connector is designed to operate reliably in extreme environments ranging from -40°C to +90°C.
Which cable sizes are compatible with the WD-MC4?
It is designed with built-in strain relief for standard 4mm² to 6mm² PV solar cables.
What materials are used for the contacts?
The contacts are made of high-quality copper alloy with silver plating to ensure low contact resistance (<0.5mΩ).
Is this connector UV-resistant?
Yes, the housing is made of engineering plastic (PA66+GF25) which is specifically UV-resistant for long-term outdoor use.
How secure is the connection?
It utilizes a snap-lock design with an audible click to ensure positive mating and a secure, vibration-proof connection.
RayBoost Solar
