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2811589 Cembre TCS381X50GY TERMOCOIL
Cembre TCS381X50GY 2:1 halogen-free grey heat shrink tubing with 36.5 mm pre-shrink diameter and 50 m coil for electrical insulation and cable protection.
Why Choose the Cembre TCS381X50GY Heat Shrink Tubing?
The Cembre TCS381X50GY (2811589) is a premium 2:1 heat shrink tubing designed to provide dependable electrical insulation, cable protection and cable identification for industrial and commercial electrical installations. Manufactured from halogen-free cross-linked polyolefin (PO-X), it offers excellent resistance to abrasion, moisture, chemicals and environmental ageing while maintaining outstanding flexibility and long-term durability.
Part of the trusted Cembre TERMOCOIL range, this grey heat shrink tubing is widely used by electrical contractors, panel builders, OEM machine manufacturers and maintenance engineers to protect cable joints, wire terminations and electrical components while providing a clean, professional finish.
With a 36.5 mm pre-shrink internal diameter, 17.5 mm recovered internal diameter and supplied in a convenient 50 m coil, the TCS381X50GY is ideal for switchgear, industrial control panels, automation equipment and general electrical wiring applications.
Key Advantages
- Professional 2:1 heat shrink tubing for electrical insulation.
- Grey finish for cable identification and organised wiring systems.
- Halogen-free cross-linked polyolefin construction.
- Excellent resistance to abrasion, moisture and chemicals.
- Provides dependable insulation and mechanical cable protection.
- Suitable for industrial, commercial and OEM electrical applications.
Key Features
- Cembre TERMOCOIL series.
- Manufacturer Part Number: TCS381X50GY.
- SKU: 2811589.
- 2:1 shrink ratio.
- 36.5 mm internal diameter before shrinking.
- 17.5 mm recovered internal diameter.
- 50 m coil length.
- Operating temperature range of -55°C to +125°C.
- UL VW-1 flame-retardant material.
- RoHS compliant and halogen-free.
Reliable Cable Protection for Professional Installations
Heat shrink tubing provides dependable insulation while protecting conductors, cable joints and electrical terminations from abrasion, moisture and environmental contaminants. The Cembre TERMOCOIL range delivers consistent shrink performance, excellent dielectric strength and long-term reliability for demanding industrial environments.
The grey finish makes the TCS381X50GY ideal for cable identification, organised wiring systems and professional control panel manufacture while maintaining excellent electrical insulation and mechanical protection.
Typical Applications
- Electrical control panels.
- Industrial automation systems.
- Cable joint insulation.
- Wire and cable identification.
- Switchgear and distribution equipment.
- OEM machinery manufacturing.
- Electrical maintenance and repair.
Technical Specifications
Tick the specs you need, then view products that match.
| Height (mm) | 50 mm | |
|---|---|---|
| Device Type | Heat-shrink marker sleeve | |
| Fixing Method | Heat-shrink | |
| Material | Polyolefin | |
| Colour | Grey | |
| Label / Marker Dimensions (mm) | 381 × 50 mm | |
| Width (mm) | 381 mm | |
| Series | TERMOCOIL | |
| Manufacturer Part Number | 2811589 | |
| Product type | Heat shrink tubing | |
| Material | Cross-linked polyolefin (PO-X) | |
| Shrink ratio | 2:1 | |
| Pre-shrink internal diameter | 36.5 mm | |
| Recovered internal diameter | 17.5 mm | |
| Recovered wall thickness | 1.0 mm | |
| Colour | Grey | |
| Coil length | 50 m | |
| Operating temperature | -55°C to +125°C | |
| Minimum shrink temperature | 70°C | |
| Full recovery temperature | 110°C | |
| Flammability | UL VW-1 | |
| Compliance | UL 224, IEC, RoHS | |
| HS Code | 39173200 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the Cembre TCS381X50GY used for?
It is used to insulate, protect and identify electrical cables, wire terminations and connectors in industrial and commercial electrical installations.
What is the shrink ratio?
The tubing provides a 2:1 shrink ratio, reducing from 36.5 mm to approximately 17.5 mm after shrinking.
Why is the tubing grey?
The grey finish is ideal for cable identification, organised wiring systems and applications requiring colour coding.
Is this heat shrink tubing halogen-free?
Yes. It is manufactured from halogen-free cross-linked polyolefin and complies with RoHS requirements.
What operating temperatures does it support?
The tubing operates continuously between -55°C and +125°C, begins shrinking at approximately 70°C and reaches full recovery at around 110°C.
Trusted by Electrical Professionals Worldwide
Cembre TERMOCOIL heat shrink tubing is trusted by electrical contractors, panel builders and industrial engineers for dependable cable insulation, protection and identification across professional electrical installations.
