Heat Shrink Solder Butt Connectors

Heat shrink solder butt connectors with adhesive-lined insulation and solder ring. No crimp tool required, simply shrink with a heat gun or butane gas torch. Provides a long-lasting seal around the cable preventing any water or moisture ingress.

Cable Size Crimp Colour Guide:

White: 0.25 - 0.34mm²

Red: 0.5 - 1mm²

Blue: 1.0 - 2.5mm²

Yellow: 3.0 - 6mm²

Best suited for marine use or anywhere that requires the cable to be sealed from the elements prolonging the life of the cable.


  • Insulation: Polyethylene
  • Solder ring with flux
  • Glue ring adhesive

Shrinkable temperature: +125°C to 180°C
Operating temperature: -45°C to +125°C
Voltage rating: 600V max.