Non-insulated Ring Terminal RNB | High-Quality Copper Ring Connector for Industrial Applications
Introduction to RNB Series Ring Terminal
The Non-insulated Ring Terminal RNB series represents the pinnacle of electrical connector engineering, designed for professionals who demand reliability and performance. This high-quality ring terminal features an open design that allows for direct crimping, ensuring a secure and stable bolt connection in various demanding applications.
Manufactured from high-purity oxygen-free copper and finished with a protective tin-plating, the RNB series delivers exceptional electrical conductivity while providing superior corrosion resistance. Whether you're working on automotive battery systems, solar panel installations, or industrial control panels, this copper ring terminal offers the durability and performance your projects require.
Key Features of RNB Ring Terminal
Premium Material Construction
- High-Purity Oxygen-Free Copper: Ensures maximum electrical conductivity and minimal power loss
- Tin-Plated Surface: Provides excellent anti-corrosion protection for long-term reliability
- Non-insulated Design: Allows for easy inspection of crimp quality and direct heat dissipation
Superior Design Elements
- Ring Configuration: Enables secure bolt attachment for stable connections
- Precision Engineering: Consistent quality across all size variants
- Multiple Size Options: Supports wire cross-sections from 0.5mm² to 50mm²
Performance Specifications
- Current rating: 19A to 160A depending on model
- Temperature range: Suitable for harsh industrial environments
- Compliance with international electrical standards
Versatile Application Scenarios
The Non-insulated Ring Terminal RNB excels across multiple industries and applications:
Automotive Industry
Perfect for automotive battery terminal connections, grounding systems, and electrical harness assemblies. The tin-plated surface resists corrosion from road salt and moisture exposure.
Solar Energy Systems
Ideal for solar panel terminal connections and inverter wiring. The high-conductivity copper material minimizes power loss, maximizing solar system efficiency.
Industrial Control
Essential for control panels, PLC connections, and power distribution units. The secure bolt connection prevents loosening due to vibration.
Power Distribution
Suitable for switchgear, circuit breakers, and distribution boards where reliable long-term connections are critical.
Why High-Purity Oxygen-Free Copper Matters
Oxygen-free copper contains minimal oxygen content, resulting in:
- Higher electrical conductivity (up to 101% IACS)
- Better thermal conductivity
- Reduced risk of hydrogen embrittlement
- Superior solderability
Benefits of Tin-Plating
The protective tin-plated finish provides:
- Enhanced corrosion resistance in humid environments
- Prevention of oxidation during storage
- Improved contact surface for bolt connections
- Extended service life in harsh conditions
Why Choose Our RNB Series?
Quality Assurance
Every Non-insulated Ring Terminal undergoes rigorous quality testing, including conductivity tests, mechanical strength verification, and dimensional accuracy checks.
Competitive Pricing
We offer factory-direct pricing without compromising quality, making professional-grade copper ring terminals accessible for projects of all sizes.Technical Support
Our experienced engineering team provides comprehensive technical support, helping you select the right ring terminal specifications for your specific application.
Customization Options
For large-volume orders, we offer customization services including special sizes, packaging requirements, and marking options.
Conclusion
The Non-insulated Ring Terminal RNB series delivers the perfect combination of quality, performance, and value for professional electrical installations. With its high-purity oxygen-free copper construction, protective tin-plating, and comprehensive size range, this copper ring terminal meets the demanding requirements of automotive, solar, industrial, and power distribution applications.
Choose RNB for reliable, long-lasting electrical connections that professionals trust. Contact us today to discuss your ring terminal requirements and experience the difference that quality makes.





