Cembre 2811338 TCS508X25BK Termocoil 2:1 black heat shrink tubing designed for large cable insulation, protection and industrial electrical applications.
SKU:2811338Alt SKU:TCS508X25BKMPN:2811338
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Why Choose the Cembre 2811338 TCS508X25BK Termocoil Heat Shrink Tubing?
The Cembre 2811338 TCS508X25BK is a professional 2:1 heat shrink tubing solution designed for large cable insulation, electrical protection and industrial connection applications. Manufactured as part of the Cembre Termocoil range, it provides reliable insulation and mechanical protection for large conductors, cable joints and electrical assemblies.
The Cembre TCS508X25BK heat shrink tubing is manufactured from halogen-free flame-retardant polyolefin and provides excellent flexibility, shrink performance and long-term durability. It is suitable for electricians, panel builders and industrial maintenance engineers requiring dependable cable protection in demanding environments.
With a 50.8 mm pre-shrink internal diameter, 25 mm recovered internal diameter and a 25 metre continuous coil length, the Cembre 2811338 is designed for protecting larger electrical cables, joints and components where durable insulation and reliable performance are required.
Key Advantages
Professional Cembre Termocoil heat shrink tubing for large cable applications.
2:1 shrink ratio provides secure insulation around large conductors and assemblies.
Halogen-free polyolefin construction for reliable electrical protection.
Black finish provides a professional appearance and general cable identification.
Continuous coil format improves efficiency during industrial installation work.
Protects electrical connections against abrasion, moisture and environmental exposure.
Key Features
Cembre TCS508X25BK Termocoil heat shrink tube.
Manufacturer part number: 2811338.
2:1 shrink ratio.
Black identification colour.
50.8 mm supplied diameter.
25 mm recovered diameter.
25 metre continuous coil.
Designed for professional cable insulation and protection.
Reliable Protection for Large Electrical Cable Assemblies
Heat shrink tubing provides electrical insulation, strain relief and protection against mechanical damage, moisture and environmental exposure. The Cembre TCS508X25BK offers a dependable solution for protecting large cable assemblies, electrical joints and components used in demanding industrial environments.
Cembre develops professional solutions for electrical connection, tooling and identification systems. The Termocoil heat shrink range provides reliable insulation products designed for industrial and commercial electrical installations.
Typical Applications
Large power cable joint protection.
Industrial electrical installations.
Switchgear and distribution equipment.
OEM machinery cable assemblies.
Electrical maintenance projects.
Professional cable processing environments.
Technical Specifications
Series
Termocoil
Part number
2811338
Product type
Heat shrink tubing
Material
Halogen-free flame-retardant polyolefin
Colour
Black
Shrink ratio
2:1
Pre-shrink internal diameter
50.8 mm
Recovered internal diameter
25 mm
Wall thickness after shrinking
1.1 mm
Coil length
25 m
Operating temperature
-55°C to +125°C
Minimum shrink temperature
70°C
Compliance
UL224, IEC 243 and RoHS
HS Code
39173200
Country of Manufacture
China
Frequently Asked Questions
What is the Cembre 2811338 TCS508X25BK used for?
The Cembre 2811338 TCS508X25BK is used for insulating and protecting large electrical cables, joints and components using heat shrink technology.
What shrink ratio does the TCS508X25BK have?
The Cembre TCS508X25BK features a 2:1 shrink ratio, allowing it to securely reduce around cable assemblies after heating.
What are the dimensions of the Cembre 2811338?
The tubing has a 50.8 mm pre-shrink diameter and reduces to approximately 25 mm recovered diameter.
What material is used for the TCS508X25BK?
The tubing is manufactured from halogen-free flame-retardant polyolefin designed for electrical insulation and mechanical protection.
How long is the Cembre 2811338 heat shrink tubing?
The product is supplied as a 25 metre continuous coil for professional electrical applications.
Trusted by Electrical Professionals Worldwide
Cembre heat shrink solutions are trusted by electrical installers, engineers and industrial professionals who require reliable insulation and protection products for demanding cable applications.
Series
Termocoil
Part number
2811338
Product type
Heat shrink tubing
Material
Halogen-free flame-retardant polyolefin
Colour
Black
Shrink ratio
2:1
Pre-shrink internal diameter
50.8 mm
Recovered internal diameter
25 mm
Wall thickness after shrinking
1.1 mm
Coil length
25 m
Operating temperature
-55°C to +125°C
Minimum shrink temperature
70°C
Compliance
UL224, IEC 243 and RoHS
HS Code
39173200
Country of Manufacture
China
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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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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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...