Non-Insulated Ring Terminals | Bare Copper Ring Connectors | Xluig
PRODUCT PARAMETERS
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Material: 99.9% Pure T2 Seamless Copper for maximum conductivity.
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Surface Finish: Corrosion-resistant Electro-Tin Plated.
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Type: Non-insulated (Bare) Ring Tongue design.
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Wire Range: Accommodates 0.5 mm² to 6 mm² (22-10 AWG).
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Design: One-piece construction for superior mechanical strength.
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Environment: Excellent performance in high-temperature and restricted space applications.
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Compliance: Manufactured to meet global industrial electrical standards.
Description
High-performance non-insulated ring terminals by Xluig. Made of 99.9% pure T2 copper with industrial tin plating. Available in AWG 22-10 sizes. Ideal for high-temperature and heavy-duty electrical grounding.
Dimensions
Data Overview
| Item No. | Stud Size (ΦE mm) | Wire Range (mm²) | Wire Range (AWG) | Width (W mm) | Thickness (T mm) | Total Length (L mm) |
| 1.25-3 | 3.7 | 0.5-1.5 | 22-16 | 5.5 | 0.8 | 11.5 |
| 1.25-5 | 5.3 | 0.5-1.5 | 22-16 | 8.0 | 0.8 | 15.8 |
| 2-4 | 4.3 | 1.5-2.5 | 16-14 | 8.5 | 0.8 | 16.8 |
| 2-6 | 6.4 | 1.5-2.5 | 16-14 | 12.0 | 0.8 | 21.8 |
| 3.5-5 | 5.3 | 2.5-4.0 | 14-12 | 9.5 | 0.8 | 20.0 |
| 5.5-4 | 4.3 | 4.0-6.0 | 12-10 | 9.5 | 1.0 | 19.8 |
| 5.5-6 | 6.4 | 4.0-6.0 | 12-10 | 12.0 | 1.0 | 25.8 |
| 5.5-10 | 10.5 | 4.0-6.0 | 12-10 | 15.0 | 1.0 | 28.0 |
Product Features & Engineering Logic
| Performance Pillars | Design Features (F) | Technical Advantages (A) | Professional Benefits (B) |
| Electrical Integrity | Pure T2 Copper Construction | Delivers the lowest electrical resistance and highest current flow efficiency. | Energy Saving: Minimizes voltage drop and prevents heat buildup in critical circuits. |
| Corrosion Defense | Industrial-Grade Tin Plating | Provides a chemical barrier against oxidation, moisture, and salt spray. | Long-Term Reliability: Ensures a stable connection for decades, even in humid or harsh industrial settings. |
| Crimp Reliability | Deep Serrated Barrel Interior | Maximizes wire contact area and enhances pull-out resistance after crimping. | System Security: Prevents accidental wire pull-outs and downtime in high-vibration machinery. |
| Application Versatility | Non-Insulated Low Profile | Allows for compact installation in tight terminal blocks and high-heat zones. | Space Optimization: Ideal for modern, compact switchgears where traditional insulated lugs won’t fit. |
FAQs
Q: Why should I choose non-insulated ring terminals over insulated ones?
A: Non-insulated ring terminals (bare terminals) are the preferred choice for high-temperature environments where plastic insulation might melt. Additionally, their smaller footprint makes them ideal for high-density terminal blocks where space is limited. For extra protection, you can always add heat shrink tubing after crimping.
Q: Is the T2 copper used in Xluig terminals better than standard brass?
A: Absolutely. Our terminals are made of 99.9% pure T2 copper. Copper has significantly higher electrical conductivity compared to brass (which is a copper-zinc alloy). This ensures less resistance, lower heat generation, and much better crimp ductility without the risk of the barrel cracking.
Q: What is the benefit of the tin plating on these bare terminals?
A: Even though they are “bare,” the industrial tin plating provides essential protection. It prevents the copper from oxidizing (turning green) when exposed to air and moisture, maintaining a low-resistance contact surface for the entire lifespan of the connection.
Product Attributes
| Property | Details |
| Industry | Industrial Fastener |
| Brand Name | XLUIG (Kunshan Xinluan New Material Technology Co., Ltd) |
| Place of Origin | Jiangsu, China |
| Certificate | ISO 9001:2015 Certified |
| Thread Size | Customized sizes available |
| MOQ | 5,00 Pieces |
| OEM / ODM | Support (Based on technical drawings) |
| Samples | Available upon request |
Supply Ability
| Service Items | Details & Specifications |
| Packaging | Small boxes, plastic bags, bulk cartons, and wooden pallets |
| Supply Ability | 50,000,000 Piece/Pieces per Month |
| Transportation | Land, Ocean, Air, and Express Delivery |
| Port of Loading | Shanghai, Ningbo, Tianjin |
| Payment Type | T/T |
| Incoterm | FOB, CIF, EXW, DDP |





