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2811251 Cembre TBS254X5BR TERMOBLOCK
Cembre TBS254X5BR 2:1 halogen-free polyolefin heat shrink tubing with 26 mm pre-shrink diameter, 12.5 mm recovered diameter and 5 metre coil for electrical insulation and cable protection.
£31.20
Why Choose the Cembre TBS254X5BR Heat Shrink Tubing?
The Cembre TBS254X5BR is a premium-quality 2:1 heat shrink tubing engineered to provide reliable electrical insulation, mechanical protection and cable identification in industrial and commercial electrical installations. Manufactured from durable halogen-free flame-retardant polyolefin, it protects cables, joints and terminations from abrasion, moisture, chemicals and environmental contaminants while maintaining excellent electrical insulation performance.
Designed for electricians, panel builders, OEMs and maintenance engineers, the TBS254X5BR delivers consistent shrink performance for larger cable assemblies and electrical terminations. Its flexible construction ensures fast installation while providing long-lasting protection in demanding environments.
With a 26 mm pre-shrink internal diameter, 12.5 mm recovered diameter and supplied in a 5 metre coil, the TBS254X5BR is ideal for insulating large conductors, cable joints and wire bundles used throughout industrial automation and power distribution systems.
Key Advantages
- Premium 2:1 heat shrink tubing for electrical insulation.
- Halogen-free flame-retardant polyolefin construction.
- Protects against moisture, abrasion and environmental damage.
- Ideal for large cable terminations and wire bundles.
- Excellent flexibility for fast installation.
- Suitable for industrial, commercial and OEM electrical applications.
Key Features
- Cembre Thermoblock TBS254X5BR.
- 2:1 shrink ratio.
- 26 mm internal diameter before shrinking.
- 12.5 mm recovered internal diameter.
- 5 metre coil length.
- Brown colour for cable identification.
- Operating temperature from -55°C to +125°C.
- UL 224 VW-1 flame retardant and RoHS compliant.
Reliable Cable Protection for Electrical Installations
Heat shrink tubing provides dependable insulation by shrinking tightly around cables, connectors and electrical terminations when heat is applied. This creates a durable protective barrier that enhances electrical safety, provides strain relief and helps extend the service life of cable assemblies.
The Cembre Thermoblock range is widely used throughout industrial automation, switchgear manufacturing and electrical maintenance where dependable insulation, durability and long-term reliability are essential.
Typical Applications
- Electrical cable insulation.
- Large cable joint protection.
- Control panels and switchgear.
- Industrial machinery wiring.
- Wire harness manufacturing.
- Cable identification and organisation.
Technical Specifications
Tick the specs you need, then view products that match.
| Height (mm) | 5 mm | |
|---|---|---|
| Device Type | Heat-shrink marker sleeve | |
| Fixing Method | Heat-shrink | |
| Material | Polyolefin | |
| Colour | Brown | |
| Label / Marker Dimensions (mm) | 254 × 5 mm | |
| Width (mm) | 254 mm | |
| Series | Thermoblock | |
| Manufacturer Part Number | 2811251 | |
| Product type | Heat shrink tubing | |
| Material | Halogen-free polyolefin | |
| Shrink ratio | 2:1 | |
| Colour | Brown | |
| Internal diameter (pre-shrink) | 26 mm | |
| Internal diameter (post-shrink) | 12.5 mm | |
| Wall thickness (post-shrink) | 0.9 mm | |
| Coil length | 5 m | |
| Minimum shrink temperature | 70°C | |
| Full shrink temperature | 110°C | |
| Operating temperature | -55°C to +125°C | |
| Dielectric strength | 15 kV/mm | |
| Flammability | UL 224 VW-1 | |
| Compliance | RoHS | |
| HS Code | 39173200 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the Cembre TBS254X5BR used for?
It is used to insulate, protect and identify larger electrical cables, cable joints and terminations in industrial and commercial electrical installations.
What is the shrink ratio?
The tubing features a 2:1 shrink ratio, allowing it to fit securely around a wide range of cable sizes.
What operating temperatures does it support?
The tubing operates reliably between -55°C and +125°C.
Is the tubing halogen free?
Yes. It is manufactured from halogen-free polyolefin and complies with RoHS requirements.
Where is this heat shrink tubing commonly installed?
It is widely used in electrical control panels, industrial machinery, switchgear, cable harnesses and power distribution equipment requiring dependable cable protection.
Trusted by Electrical Professionals
Cembre Thermoblock heat shrink tubing is trusted by electricians, panel builders and maintenance engineers for reliable insulation, cable protection and long-term performance across demanding industrial applications.
