Quadrios 23C521 Partially Insulated Ring Cable Lug, 2.5 mm², M4 Hole, Blue, 50 pcs

Connect 1.5–2.5 mm² wires to M4 studs with these partially insulated ring cable lugs. The 4.3 mm hole fits M4 screws, and the blue PVC insulation sleeve provides reliable protection while allowing easy inspection of the crimp. Tin-plated copper construction ensures excellent conductivity and corrosion resistance.

Overview

The Quadrios 23C521 ring cable lug is designed for secure electrical connections in automotive, industrial, and general wiring applications. Each lug features a copper body with tin plating for low contact resistance and a blue PVC insulation sleeve that partially covers the barrel, leaving the crimp area visible for quality control.

What stands out

• Supports wire cross-sections from 1.5 mm² to 2.5 mm²
• 4.3 mm hole diameter matches M4 screws
• Tin-plated copper for high conductivity and corrosion resistance
• Blue PVC insulation sleeve for safety and identification
• Pack of 50 pieces for bulk use

Technical details

• Terminal type: Ring cable lug
• Insulation: Partially insulated
• Wire cross-section: 1.5–2.5 mm²
• Hole diameter: 4.3 mm
• Compatible screw size: M4
• Material: Copper, tin-plated
• Insulation material: PVC
• Insulation colour: Blue
• Connection method: Crimp
• Quantity: 50 pieces
• Maximum operating temperature: +75 °C
• Voltage rating: 600 V
• Current rating: 24 A

Our verdict

A dependable choice for professional electricians and DIY enthusiasts needing a reliable ring terminal for medium-duty wiring tasks. The partial insulation allows for visual inspection of the crimp, ensuring a secure connection every time.