Butt Connectors | Screw-Type Brass Splice Terminal | Mechanical Wire Connector
PRODUCT PARAMETERS
Description
Shop premium Butt Connectors at XLUIG. Features high-conductivity tin-plated brass body with screw-type mechanical fastening. Reliable inline splicing for 6mm² to 300mm² conductors.
Product Features & Engineering Logic
| Technical Engineering Focus | Operational Advantage | Strategic Business Benefit |
| Forged Brass Substrate | Delivers massive cross-sectional conductivity, significantly reducing heat buildup during high-load operation. | System Safety: Prevents thermal failure and fire hazards in critical heavy-duty power infrastructure. |
| Mechanical Screw Locking | Provides a high-torque mechanical grip that is not dependent on specific hydraulic crimp dies or tool calibrated pressure. | Operational Efficiency: Simplifies field maintenance and repairs, especially in remote sites where large tools are impractical. |
| Thick Electro-Tin Coating | Forms a permanent barrier against harsh atmospheric elements, preventing the formation of high-resistance copper oxides. | Extended Lifespan: Lowers long-term maintenance costs by ensuring a reliable connection for the entire life of the system. |
| Uniform Wall Thickness | The high-density brass sleeve resists mechanical deformation and vibration, maintaining constant contact pressure. | Reliability Assurance: Minimizes voltage drop and signal noise in industrial power and grounding networks. |
Dimensions
Data Overview
| Item No. | ΦD (mm) | Φd (mm) | L (mm) | Wire Range (AWG/MCM) | Wire Range (mm²) |
| XL6 | 8 | 4 | 20 | 12-10 AWG | 4-6 mm² |
| XL10 | 9.4 | 4.4 | 30 | 8 AWG | 10 mm² |
| XL16 | 10.5 | 5.5 | 40 | 6 AWG | 16 mm² |
| XL25 | 11.8 | 6.8 | 45 | 4 AWG | 25 mm² |
| XL35 | 13.2 | 8.2 | 45 | 2 AWG | 35 mm² |
| XL50 | 14.5 | 9.5 | 48 | 1/0 AWG | 50 mm² |
| XL70 | 16.2 | 11.2 | 52 | 2/0 AWG | 70 mm² |
| XL95 | 19.4 | 13.4 | 55 | 3/0 AWG | 95 mm² |
| XL120 | 21 | 15 | 55 | 4/0 AWG | 120 mm² |
| XL150 | 22.5 | 16.5 | 60 | 250/300 MCM | 150 mm² |
| XL185 | 25 | 19 | 60 | 300/350 MCM | 185 mm² |
| SL240 | 27 | 21 | 70 | 400/500 MCM | 240 mm² |
| XL300 | 31 | 24 | 75 | 500/600 MCM | 300 mm² |
FAQs
Q: Why choose the SL series brass connector over a standard copper crimp butt splice?
A: The SL series utilizes mechanical screw fastening, which is a “tool-less” alternative to hydraulic crimping. This is especially advantageous for high-gauge wires (like 150mm² or 300mm²) where portable crimping tools may not fit. Additionally, the heavy-duty brass body offers superior rigid support for mechanical stability in high-vibration industrial environments.
Q: Is the tin plating purely for aesthetics?
A: Not at all. The industrial electro-tin plating is a critical functional feature. It protects the brass core from “green rot” (oxidation) and chemical corrosion. This ensures that the contact resistance remains low over decades of service, even when installed in humid or salt-spray environments.
Q: Can I reuse these connectors after a system upgrade?
A: Yes. Unlike crimp-on terminals that must be cut off once used, XLUIG SL Butt Connectors can be easily loosened by unscrewing the fasteners. This makes them highly cost-effective for testing environments, temporary power setups, or systems that require frequent inspection and cable adjustments.
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 |
