T&D World Magazine

3M Adds Cold Shrink Joint Kits to 69-kV Line

The new 3M Cold Shrink Joint Kits QS-III join the 3M Cold Shrink Termination Kits QT-III to complete 3M’s line of 69/72.5-kV cable accessories for power transmission and distribution, petrochemical, transportation and other heavy industry applications.

The cold shrink joint body is a one-piece molded design made of specially formulated silicone rubbers and the jacketing is made of EPDM rubber for physical protection. Each joint is pre-tested in the 3M factory before it is shipped.

These kits contain a 69-kV (IEEE)/725-kV (IEC) class joint for connecting polymeric insulated cables. The new joints cover conductor ranges up to 2000 kcmil (1000mm²). 3M technicians provide training and project support in the field for these high-voltage cold shrink accessories.

3M Cold Shrink Joint Kits QS-III have been in extensive field trials for the past 12 months and have been installed successfully in Europe and the United States. 3M’s first entry into the high-voltage market was with 3M Cold Shrink Termination Kits QT-III for 69 kV/72.5 kV. Cold shrink technology has proven to be highly reliable in the field, and because cold shrink products do not require tools or torches to install, they save time and money.

3M 3M.com/highvoltage

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