2811035 Cembre TBS16X20RE TERMOBLOCK

2811187 Cembre TBS24X20BU TERMOBLOCK

Cembre TBS24X20BU halogen-free heat shrink tubing with 2:1 shrink ratio, 20 metre coil and blue polyolefin construction for cable insulation and neutral conductor identification.

SKU: 2811187Alt SKU: TBS24X20BUMPN: 2811187
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Manufacturer Lead Time

£31.20

Why Choose the Cembre TBS24X20BU Heat Shrink Tubing?

The Cembre 2811187 (TBS24X20BU) is a premium-quality heat shrink tubing engineered to provide reliable electrical insulation, cable protection and wire identification in industrial, commercial and OEM electrical installations. Manufactured from high-performance halogen-free, flame-retardant cross-linked polyolefin, it delivers excellent durability, flexibility and long-term performance in demanding environments.

Designed for electricians, panel builders and maintenance engineers, the TBS24X20BU features a 2:1 shrink ratio, ensuring a secure fit around conductors, terminals and cable assemblies. Its blue finish is ideal for neutral conductor identification while providing dependable insulation and environmental protection.

With a 2.5 mm internal diameter before shrinking, 1 mm recovered diameter and a 20 metre dispenser coil, the Cembre 2811187 is perfectly suited to industrial control panels, switchgear, machinery, automation equipment and commercial electrical installations.

Key Advantages

  • Premium halogen-free heat shrink tubing.
  • 2:1 shrink ratio for secure cable insulation.
  • Blue colour for neutral conductor identification.
  • Excellent resistance to abrasion, moisture, oils and chemicals.
  • Flame-retardant construction certified to UL 224 VW-1.
  • Wide operating temperature range from -55°C to +125°C.

Key Features

  • Cembre TBS24X20BU Heat Shrink Tubing.
  • Manufacturer Part Number: 2811187.
  • Cross-linked halogen-free polyolefin construction.
  • 2:1 shrink ratio.
  • 2.5 mm internal diameter before shrink.
  • 1 mm internal diameter after shrink.
  • 20 metre dispenser coil.
  • Blue finish for neutral conductor identification.

Reliable Cable Protection for Industrial Applications

Heat shrink tubing provides electrical insulation, strain relief and mechanical protection for cables and wire assemblies. The Cembre TBS24X20BU protects conductors against abrasion, moisture, chemicals and environmental contaminants while providing clear identification of neutral wiring in professional electrical installations.

Its excellent dielectric strength, flexibility and flame-retardant construction make it an ideal solution for OEM manufacturers, electrical contractors and maintenance engineers working across industrial automation, switchgear, machinery and commercial electrical systems.

Typical Applications

  • Industrial control panels.
  • Neutral conductor identification.
  • Switchgear and distribution equipment.
  • Industrial automation systems.
  • Cable harnesses and wire bundling.
  • Machinery manufacturing and maintenance.
  • Commercial electrical installations.

Technical Specifications

Series TBS Heat Shrink Tubing
Manufacturer Part Number 2811187
Product Type Heat Shrink Tubing
Material Cross-linked Halogen-Free Polyolefin
Colour Blue
Shrink Ratio 2:1
Operating Temperature -55°C to +125°C
Minimum Shrink Temperature 70°C
Full Shrink Temperature 110°C
Inner Diameter Before Shrink 2.5 mm
Inner Diameter After Shrink 1 mm
Wall Thickness After Shrink 0.45 mm
Coil Length 20 m
Flammability UL 224 VW-1
RoHS Compliant Yes
Halogen Free Yes
HS Code 39173200
Country of Manufacture China

Frequently Asked Questions

What is the Cembre 2811187 used for?

The Cembre 2811187 is used to insulate, protect and identify electrical cables, particularly neutral conductors in industrial and commercial electrical installations.

What shrink ratio does the TBS24X20BU provide?

The tubing features a 2:1 shrink ratio, allowing it to shrink securely around cables and electrical terminations.

Why is the tubing blue?

The blue colouring is commonly used for identifying neutral conductors, improving cable identification and installation safety.

Is this tubing halogen free?

Yes. It is manufactured from halogen-free, flame-retardant cross-linked polyolefin and is fully RoHS compliant.

Where is this product typically installed?

It is widely used in industrial control panels, switchgear, machinery, automation systems and commercial electrical equipment.

Trusted by Electrical Professionals Worldwide

Cembre heat shrink tubing is trusted by electricians, panel builders, OEM manufacturers and automation engineers for dependable cable insulation, long-lasting protection and professional-quality electrical installations.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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