A pre-insulated copper ring terminal is a crimp-type electrical connector designed to provide a secure, permanent connection between stranded copper conductors and threaded studs or screw terminals. The terminal is manufactured from high-conductivity electrolytic copper with an electro-tin plated finish to improve corrosion resistance and electrical performance. It is supplied with a factory-fitted PVC insulation sleeve, which provides electrical insulation, mechanical protection, and strain relief after crimping.
Applications:
Pre-insulated copper ring terminals are widely used in:
• Electrical switchboards and control panels
• Industrial machinery and automation systems
• Power distribution equipment
• Automotive electrical systems
• Marine and offshore electrical installations
• Battery and grounding connections
• HVAC equipment
• Telecommunications and networking equipment
• Renewable energy systems (solar and wind)
• Railway and transportation electrical systems
• General low-voltage electrical wiring
Specifications:
Product Type: Pre-Insulated Copper Ring Terminal
Terminal Material: High-conductivity electrolytic copper (≥99.9%)
Surface Finish: Electro-tin plated
Insulation Material: PVC
Wire Size Range: 1.5 mm² to 4.6 mm²
Available Insulation Colors:
Color Wire Size
Red 1.5 mm²
Blue 2.5 mm²
Yellow 4–6 mm²