WAGO 249-130 Alu-Plus Contact Paste, 20 ml Syringe, Grey, for Aluminium-Copper Connections

Ensure long-term, gas-tight electrical connections with WAGO's Alu-Plus contact paste. Formulated with fine quartz sand particles in a mineral oil base, it penetrates oxide layers on aluminium conductors to reduce contact resistance and prevent corrosion. Supplied in a 20 ml syringe for precise application.

Overview

The WAGO 249-130 is a specialised contact paste engineered for use with aluminium conductors, particularly when joining aluminium to copper. Its unique abrasive action cleans the conductor surface during installation, while the grease base protects against future oxidation. This ensures a reliable, low-resistance connection that remains stable over time, even under thermal cycling.

What stands out

• Prevents oxidation and reduces contact resistance on aluminium conductors.
• Fine quartz sand particles provide mechanical cleaning for gas-tight connections.
• Compatible with WAGO PUSH WIRE® connectors and terminal blocks.
• Wide operating temperature range from -35°C to +105°C.
• Convenient 20 ml syringe allows precise, mess-free dosing.

Technical details

• Product type: Contact paste
• Paste type: Alu-Plus
• Content volume: 20 ml
• Container: Syringe
• Colour: Grey
• Density: approx. 0.9 g/cm³ at 20°C
• Operating temperature: -35°C to +105°C
• Storage temperature: +5°C to +30°C
• Shelf life: 24 months (unopened, stored correctly)
• Composition: Mineral oil-based grease with fine quartz sand particles
• Conductor compatibility: Aluminium, copper (Al-Cu connections)
• Recommended use: With WAGO PUSH WIRE® connectors and terminal blocks

Our verdict

For any electrician working with aluminium wiring, WAGO's Alu-Plus contact paste is an essential accessory. It delivers the reliability and safety required for modern electrical installations, and the syringe format makes application clean and efficient.