Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2811112 Cembre TBS24X20BK TERMOBLOCK
Cembre 2811112 TBS24X20BK halogen-free heat-shrink tubing with 2.5 mm pre-shrink diameter, 1.0 mm post-shrink diameter and 20 m coil.
£31.20
Why Choose the Cembre 2811112 TBS24X20BK Heat-Shrink Tubing?
The Cembre 2811112 (TBS24X20BK) is a professional Termoblock heat-shrink tubing designed to provide reliable electrical insulation, strain relief and mechanical protection for cables, conductors and electrical connections. Manufactured from halogen-free, flame-retardant polyolefin with a 2:1 shrink ratio, it offers excellent durability and long-term performance in demanding industrial and commercial environments.
Supplied as a 20 metre black coil, the tubing features an internal diameter of 2.5 mm before shrinking and approximately 1.0 mm after shrinking, making it ideal for protecting small cable assemblies, wire terminations and electrical harnesses.
As part of Cembre's trusted Termoblock (TBS) range, the 2811112 is widely used by panel builders, OEM manufacturers, electrical contractors and maintenance engineers for dependable cable insulation and protection.
Key Advantages
- Professional heat-shrink insulation tubing.
- 2:1 shrink ratio for a secure fit.
- Halogen-free, flame-retardant polyolefin construction.
- Provides insulation, strain relief and mechanical protection.
- Excellent dielectric strength and abrasion resistance.
- Suitable for industrial, commercial and OEM electrical installations.
Key Features
- Manufacturer Part Number: 2811112
- Cembre Product Code: TBS24X20BK
- Heat-shrink tubing.
- Internal diameter before shrink: 2.5 mm.
- Internal diameter after shrink: 1.0 mm.
- Wall thickness after shrink: 0.45 mm.
- Coil length: 20 m.
- Colour: Black.
Reliable Heat-Shrink Protection
Cembre Termoblock heat-shrink tubing provides dependable insulation, mechanical protection and strain relief for electrical wiring, terminals and cable assemblies. The tubing shrinks tightly around components to protect against abrasion, moisture and mechanical stress while maintaining excellent electrical insulation properties.
Its flame-retardant, halogen-free polyolefin construction and compliance with recognised industry standards make it suitable for industrial control panels, machinery, automation systems and OEM electrical equipment.
Typical Applications
- Industrial control panels.
- Electrical wiring and cable assemblies.
- Terminal insulation.
- Wire harness protection.
- OEM electrical equipment.
- General electrical maintenance and repair.
Technical Specifications
Tick the specs you need, then view products that match.
| Height (mm) | 20 mm | |
|---|---|---|
| Device Type | Heat-shrink marker sleeve | |
| Fixing Method | Heat-shrink | |
| Material | Polyolefin | |
| Colour | Black | |
| Label / Marker Dimensions (mm) | 24 × 20 mm | |
| Width (mm) | 24 mm | |
| MPN | 2811112 | |
| Product Code | TBS24X20BK | |
| Series | Termoblock (TBS) | |
| Product Type | Heat-shrink tubing | |
| Material | Halogen-free flame-retardant polyolefin | |
| Shrink Ratio | 2:1 | |
| Internal Diameter (Before Shrink) | 2.5 mm | |
| Internal Diameter (After Shrink) | 1.0 mm | |
| Wall Thickness After Shrink | 0.45 mm | |
| Coil Length | 20 m | |
| Colour | Black | |
| Operating Temperature | -55°C to +125°C | |
| Minimum Shrink Temperature | 70°C | |
| Full Shrink Temperature | 110°C | |
| Dielectric Strength | 15 kV/mm | |
| Standards | UL Approved, RoHS Compliant | |
| HS Code | 39173200 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the Cembre 2811112 used for?
It is used to insulate, protect and provide strain relief for electrical cables, conductors and electrical terminations.
What is the Cembre product code?
The manufacturer's product code is TBS24X20BK.
What size cable does it fit?
The tubing has an internal diameter of 2.5 mm before shrinking and approximately 1.0 mm after shrinking.
What material is the tubing made from?
It is manufactured from halogen-free, flame-retardant polyolefin with a 2:1 shrink ratio.
What operating temperature range does it support?
The tubing is suitable for continuous operation between -55°C and +125°C.
Trusted by Electrical Professionals Worldwide
Cembre Termoblock heat-shrink tubing is trusted by panel builders, electrical contractors and OEM manufacturers for delivering reliable insulation, mechanical protection and long-lasting performance in demanding industrial environments.
