3M 7000031603 Cold Shrink Insulator 1250-2000 Kcmil

Product Description

The 3M 7000031603 is a cold shrink cable insulator from the 8430 series, designed for splicing and insulating large-conductor power cables rated 1250 to 2000 kcmil. Unlike heat-shrink products, this insulator arrives pre-stretched on a removable inner core. The installer removes the core and the sleeve contracts tightly around the cable without any heat source, flame, or torch. This makes it well suited for environments where open flame is restricted or impractical. Licensed electricians and utility cable splicers are the typical installers for this type of product.

This cold shrink insulator is intended for medium-voltage cable splice applications where conductor size falls in the 1250 to 2000 kcmil range. It is part of the 3M 8430 series, which uses the cold shrink delivery system developed by 3M for field cable splicing work. Typical installation scenarios include underground distribution, industrial plant wiring, and utility substation cable work where large-conductor splices must be sealed and insulated to a consistent standard without dependence on heat tools.

Key Features

• Pre-stretched on a removable core for tool-free, flame-free installation
• Cold shrink design contracts tightly onto cable without heat source or torch
• Designed for large conductors rated 1250 to 2000 kcmil
• Part of the 3M 8430 series cold shrink splice system
• Sold as individual unit (each)

Compatibility

Designed as an OEM-style replacement and field splice component for medium-voltage cable systems with conductor sizes in the 1250 to 2000 kcmil range, consistent with the 3M 8430 series cold shrink splice platform.

Installation Notes

Installation is performed by licensed electricians or qualified cable splicers. De-energize and properly ground all affected conductors before beginning any splice work, following applicable NEC requirements and site lockout/tagout procedures. Remove the inner core slowly and steadily per manufacturer instructions to allow the sleeve to contract uniformly. Do not stretch, cut, or reposition the sleeve once the core has been removed.

Technical Specifications

• Conductor Range: 1250-2000 kcmil
• Series: 8430
• Weight: 1.42 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 00054007423881

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000031603