For over 60 years, professional electrical workers have trusted 3M for innovative solutions that enhance safety and productivity.
That’s why we invented Cold Shrink technology: a revolutionary alternative to traditional heat shrink cable joints and terminations that can be installed fast and easily, without the need for special equipment or permits.
With faster, easier installation, and the long-term reliability provided by superior environmental sealing, 3M™ Cold Shrink Medium Voltage Cable Accessories can help you achieve improved efficiency and performance, as well as significant cost savings.
Read on to learn more about the proven benefits of Cold Shrink technology from the people who invented it.
Easy installation and reliable performance to terminate indoor and outdoor medium voltage cable.
3M™ Cold Shrink QT-II and QT-III Terminations are pre-stretched track-resistant silicone rubber and Hi-K stress control material delivered on a removable core. Removal of the core (unwind) after positioning the termination allows the product to shrink into position, providing a tight seal.
Various cold shrink silicone splice joint solutions for power cables of rated voltage from 3,6/6(7,2) kV up to 20,8/36(42) kV.
3M Separable connectors are used to terminate polymeric, single core power cables of rated voltage from 6/10(12), 12/20(24) and 12/30(36)kV.
Terminations and joints for 69kV (IEEE)/72.5kV(IEC) Applications
3M cold shrink high voltage accessories install quickly and easily, helping to reduce potential craft errors.
Once installed, the cold shrink tube creates a dynamic, compressive environmental seal and electrical interface without sealants or adhesives or torches.
* Data based upon U.S. failure data of U.S. manufactured 3M Cold Shrink Medium Voltage Cable Accessories between 2009 and 2012.
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A cold shrink tube is a polymeric (EPDM or silicone) tube expanded , then held pre-stretched by a core providing the mechanical stabilization. When the core is removed, the tube shrinks at normal temperature. It does not require any heat compared to Heatshrink tube and this is why it is called COLD SHRINK.
In 1971 3M developped the First Cold shrink Pre-Stretched Tube (PST). Since then 3M developped many different power cable accessories from various voltages classes.
Easiness of installation for reliability of installation
Larger range taking with one single accessory
Reduced time of installation to save costs
High Voltage Termination Free of maintenance:
Higher interfacial pressure improves electrical performance
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