2811438 Cembre TCS381X50BU TERMOCOIL

2811438 Cembre TCS381X50BU TERMOCOIL

Cembre TCS381X50BU TERMOCOIL blue 2:1 cross-linked polyolefin heat shrink tubing supplied on a 50 m coil for electrical insulation, cable protection and industrial wiring applications.

SKU: 2811438Alt SKU: TCS381X50BUMPN: 2811438
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Why Choose the Cembre TCS381X50BU TERMOCOIL Heat Shrink Tubing?

The Cembre TCS381X50BU TERMOCOIL is a premium-quality 2:1 polyolefin heat shrink tubing designed to provide dependable electrical insulation, mechanical protection and environmental sealing for cables, wire harnesses and electrical terminations. As part of the trusted Cembre TERMOCOIL heat shrink tubing range, it is ideal for industrial electrical installations, control panels, machinery, automation systems and cable assembly applications.

Manufactured from flame-retardant, halogen-free cross-linked polyolefin, the TCS381X50BU offers outstanding resistance to abrasion, moisture, chemicals and harsh industrial environments while maintaining excellent flexibility and long-term durability. Its blue colour enables rapid cable identification, simplifying installation, inspection and maintenance.

Featuring a 36.5 mm internal diameter before shrinkage, a 17.5 mm internal diameter after shrinkage and supplied on a 50 m continuous coil, the TCS381X50BU is ideal for electricians, OEM manufacturers, panel builders and industrial maintenance engineers requiring dependable cable insulation and protection.

Key Advantages

  • Professional-grade 2:1 heat shrink tubing.
  • Manufactured from halogen-free flame-retardant polyolefin.
  • Provides excellent electrical insulation and mechanical protection.
  • Blue colour enables rapid cable and conductor identification.
  • Suitable for industrial, automotive and telecommunications applications.
  • 50 m continuous coil improves installation efficiency and reduces waste.

Key Features

  • Cembre TCS TERMOCOIL series.
  • 2:1 shrink ratio.
  • 36.5 mm internal diameter before shrinkage.
  • 17.5 mm internal diameter after shrinkage.
  • 1.0 mm wall thickness after shrinkage.
  • 50 m continuous coil.
  • Minimum shrink temperature: 70°C.
  • Full shrink temperature: 110°C.
  • Operating temperature: -55°C to +125°C.
  • UL 224 certified and RoHS compliant.
  • Flammability rating: VW-1.

Reliable Cable Insulation & Protection

Heat shrink tubing provides durable insulation while protecting electrical conductors against abrasion, moisture, chemicals and mechanical damage. The Cembre TERMOCOIL range delivers consistent shrink performance, making it ideal for protecting cable joints, terminals, connectors and wire harnesses used in demanding industrial environments.

Its cross-linked polyolefin construction, flame-retardant properties and wide operating temperature range ensure long-term reliability while providing professional-quality cable management and electrical protection.

Typical Applications

  • Industrial electrical control panels.
  • OEM machinery manufacturing.
  • Automation and process control systems.
  • Automotive wiring harnesses.
  • Telecommunications equipment.
  • Cable assemblies and electrical maintenance.
  • Switchgear and distribution panels.

Technical Specifications

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Height (mm) 50 mm
Device Type Heat-shrink marker sleeve
Fixing Method Heat-shrink
Material Polyolefin
Colour Blue
Label / Marker Dimensions (mm) 381 × 50 mm
Width (mm) 381 mm
Series TCS TERMOCOIL
SKU 2811438
Product type Heat shrink tubing
Material Cross-linked polyolefin
Shrink ratio 2:1
Colour Blue
Coil length 50 m
Internal diameter before shrinkage 36.5 mm
Internal diameter after shrinkage 17.5 mm
Wall thickness after shrinkage 1.0 mm
Operating temperature -55°C to +125°C
Minimum shrink temperature 70°C
Full shrink temperature 110°C
Flammability UL 224 VW-1
Halogen free Yes
RoHS compliant Yes
UL standard UL 224
HS Code 39173200
Country of Manufacture China

Frequently Asked Questions

What is the Cembre TCS381X50BU used for?

It is used to insulate, protect and identify electrical cables, wire harnesses, connectors and electrical terminations in industrial and commercial installations.

What shrink ratio does this tubing provide?

The tubing features a 2:1 shrink ratio, allowing secure insulation across a wide range of cable diameters.

What temperatures can it withstand?

The tubing operates between -55°C and +125°C and fully shrinks at approximately 110°C.

Is this tubing halogen free?

Yes. It is manufactured from halogen-free flame-retardant polyolefin and complies with UL 224 and RoHS requirements.

Where is this heat shrink tubing commonly installed?

It is commonly installed in industrial machinery, electrical control panels, automotive wiring, telecommunications equipment and cable assembly applications.

Trusted by Electrical Professionals Worldwide

Cembre TERMOCOIL heat shrink tubing is trusted by electricians, panel builders and OEM manufacturers worldwide for delivering reliable insulation, durable cable protection and consistent long-term performance in demanding industrial electrical environments.