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Solder Splice Heat Shrinkable 70°C shrink start

SWT Series Heat Shrinkable Butt Splice Connectors

Conductor Splicer made of non‑flame‑retardant clear heat shrink tubing with soldering tin inside. Provides reliable electrical connection, insulation, and stress relief in one easy step. Ideal for automotive, marine, and industrial wiring.

Integrated solder ring – no extra soldering required

Clear heat shrink tubing for easy inspection

Shrink temperature: starts at 70°C

Fully recovered temperatures: 150°C (L) / 180°C (M) / 220°C (H)

Effectively relieves welding stress

Easy to use – one‑step solder + seal

Dimensions & Models

Complete size range for different wire gauges (replace “X” with L / M / H for shrink temperature rating)

Model	Φ A min (mm)	Φ B min (mm)	L min (mm)	D max (mm)	Φ E min (mm)	Φ F min (mm)	Φ G max (mm)	H ±0.5 (mm)	J ±0.5 (mm)

*Replace “X” with L (150°C), M (180°C) or H (220°C) depending on required shrink temperature.

Shrink Temperature Guide

Suffix -L
Fully recovered at 150°C

Suffix -M
Fully recovered at 180°C

Suffix -H
Fully recovered at 220°C

All versions start shrinking at 70°C. Choose suffix according to your application requirements.