Product Identification
Product NameCN4U-C Solar Cable Connector
BrandTreasol
ModelCN4U-C Solar Connector
CategorySolar Cable connector
Solar Cable connector · Model CN4U-C Solar Connector
CN4U-C Solar Cable Connector
Last updated: October 2026
CN4U-C is a high-current solar cable connector designed for reliable photovoltaic (PV) system connections. Rated up to 1500 V DC and 70 A, it features IP68 protection, low contact resistance, UV-resistant and anti-aging housing, and a secure double-fixed connection. Compatible with 2.5–16 mm² solar cables, it is suitable for residential, commercial and utility-scale PV installations.
1500 V DC
70 A
IP68
<0.5 mΩ
2.5–16 mm²
-40 °C to +85 °C
BrandTreasol
ModelCN4U-C Solar Connector
Product TypeSolar Cable connector
CN4U-C Solar Cable Connector at a glance
What is the CN4U-C Solar Cable Connector?
CN4U-C is a high-current solar cable connector designed for reliable photovoltaic (PV) system connections. Rated up to 1500 V DC and 70 A, it features IP68 protection, low contact resistance, UV-resistant and anti-aging housing, and a secure double-fixed connection. Compatible with 2.5–16 mm² solar cables, it is suitable for residential, commercial and utility-scale PV installations.
Voltage1500 V DC
Current70 A
ProtectionIP68
Cable Range2.5–16 mm²
Product Overview
About the CN4U-C Solar Cable Connector
CN4U-C solar connector for residential, commercial and utility systems: 1500 V, 70 A, IP68, low contact resistance. Request a quote.
Key Features
All connections use a double-lock connection
low power loss
With the capacity of anti-aging and resistance to ultraviolet radiation on the outer cover
With convenient installation, strong commonality
Suitable for harsh outdoor environments
CN4U-C Solar Cable Connector
The CN4U-C Solar Cable Connector is designed for high-performance photovoltaic (PV) systems that require reliable, high-current electrical connections. With a rated voltage of 1500 V TÜV / 1500 V UL and a maximum rated current of 70 A, CN4U-C is suitable for demanding solar applications.
The connector features a double-fixed connection design, low contact resistance of less than 0.5 mΩ, IP68 protection and a UV-resistant, anti-aging housing for long-term outdoor operation.
Supporting solar cable sizes from 2.5 mm² to 16 mm², CN4U-C can be used in residential, commercial and utility-scale photovoltaic installations, as well as distributed PV and solar energy storage systems.
Technical Specifications
CN4U-C Solar Cable Connector technical data
Electrical, mechanical, material and environmental specifications for product selection and engineering review.
Rated Voltage1500 V DCPhotovoltaic DC system
Rated Current70 AMaximum rated current
ProtectionIP68Outdoor protection rating
Cable Size2.5–16 mm²Supported solar cable
Temperature-40 °C to +85 °COperating range
| Parameter | Value |
|---|---|
| Electrical | |
| Rated Current | 70 A Max |
| Rated Voltage | 1500 V (TUV) 1500 V (UL) |
| Test Voltage | 12 kV (TUV50HZ, 1min) |
| Contact Resistance | <0.5 mΩ |
| Safety Class | II |
| Materials & Cable | |
| Insulation Material | PPE/PA66 |
| Contact Material | Copper, Tin plated |
| Pin Dimensions | ø4mm |
| Conductor cross section | 14/12/10/8/6AWG 2.5/4.0/6.0/10/16 mm² |
| Environmental | |
| Degree Of Protection | IP 68 |
| Ambient Temperature Range | -40 °C~ +85 °C |
| Flame Class | UL 94 V-0 |
Compatibility
MC4-compatible PV connection design
CN4U-C Solar Cable Connector is designed to match commonly used photovoltaic connection systems and provide secure electrical and mechanical connections.
Connector compatibility
Model: CN4U-C Solar Connector
Product Type: Solar Cable connector
Compatibility Type: MC4-compatible solar cable connector
For safety and certification compliance, connectors from the same manufacturer and approved connector combinations should be used within the same PV connection system. Mixing connectors from different manufacturers should only be considered when compatibility has been verified and permitted by the applicable certification requirements.
Applications
Photovoltaic application scenarios
CN4U-C Solar Cable Connector is suitable for residential, commercial, utility-scale and compatible solar energy storage connection applications.
Residential Solar PV
Reliable cable connections for rooftop solar systems and residential photovoltaic installations.
Commercial & Industrial PV
Suitable for commercial rooftop systems and larger distributed PV installations requiring high-current connections.
Utility-Scale Solar Power Plants
Designed for high-voltage PV systems and large-scale solar installations where reliable outdoor connections are essential.
Solar Energy Storage
Can be used in compatible solar energy and energy storage connection applications according to system requirements.
Certifications
CN4U-C Solar Cable Connector product certifications
Certification information associated with the CN4U-C Solar Cable Connector product.
TÜV
TUV Certificate For Pv Cable Connectors
Technical Documents
CN4U-C Solar Cable Connector downloads
Product documentation for engineering review, installation and project approval.
Specification & User Manual_CN4U-C
Specification & user manual (CN4U-C)
Datasheet page in the download centre, listing the specification and user manual.
FAQ
CN4U-C Solar Cable Connector frequently asked questions
Technical answers for product selection, cable matching and PV connection design.
What is the rated voltage and current of CN4U-C?
CN4U-C is rated at 1500V DC and up to 70A maximum current according to the current Treasol product specification.
What cable sizes does CN4U-C support?
CN4U-C supports 2.5, 4, 6, 10 and 16 mm² solar cables, corresponding to 14, 12, 10, 8 and 6 AWG.
Is CN4U-C MC4 compatible?
CN4U-C is positioned by Treasol as an MC4-compatible solar cable connector. Compatibility between mating connectors should be verified against the applicable technical and certification requirements before field use.
What protection rating does CN4U-C have?
The current Treasol product specification lists IP68 protection.
Can CN4U-C be used for residential, commercial and utility-scale PV?
The current Treasol product page identifies residential, commercial and industrial, utility-scale, distributed PV and compatible solar energy-storage applications. Final selection should be based on the system's electrical, mechanical, environmental and certification requirements.
Related Product Categories
Explore PV connection solutions
Navigate to related Treasol product categories for complete photovoltaic connection systems.
Technical Guides
Related reading
Background reading on selection, installation and quality control for this product category.
Need CN4U-C Solar Cable Connector technical information or a quotation?
Send your cable size, required quantity, destination country and application so the suitable product configuration and documentation can be confirmed.